Q: Dab tsi txawv ntawm A36 thiab Q235B rau cov qauv ha tw?A: A36 thiab Q235b yog ob qho tib si steel grades rau cov kab ke nyuaj, tab sis lawv ua raws cov qauv sib txawv thiab muaj cov khoom sib txawv me ntsis. A36 ADHeres rau Asmeskas ASTM Txuj Ci, Thaum Q235B ua raws li Suav tus GB / T 700 tus qauv. Ob qho tib si muaj tsawg kawg vim muaj lub zog ntawm 235 MPa, ua rau lawv haum rau lub teeb rau nruab nrab lossis cov chaw khaws khoom me me. Txawm li cas los xij, A36 muaj qhov ntau dua cov zog tensile lub zog (400}}}}}}}}}}) piv rau Q235b (375 A36 tseem yuav tsum muaj kev cuam tshuam kev cuam tshuam ntawm 0 degree, Thaum Q235B qhov kev xeem yog ntawm 20 degree, yog li A36 ua tau zoo dua nyob rau ib puag ncig txias. Rau cov phiaj xwm ua raws li cov neeg Asmeskas lossis cov cim thoob ntiaj teb, A36 yog mus-rau; Rau cov haujlwm hauv teb chaws Suav, Q235b feem ntau siv. Lawv tus nqi thiab weldability yuav luag zoo li qub, yog li kev xaiv feem ntau nyob ntawm tus qauv tsim qauv ntau dua li tus nqi.
Q: Puas yog SS400 sib npaug rau S235JR rau h nqaj daim ntawv thov?A: Yog, SS400 feem ntau sib npaug rau S235JR rau kev thov h nqaj, raws li ob qho tib si ntsib zoo sib xws thiab cov kev ua tau zoo. SS400 Ua raws li Nyiv JIS G3101 tus qauv, thaum S235JR ua rau raws li Europe AN 10025 Txuj Ci. Ob qho tib si muaj tsawg kawg vim muaj lub zog ntawm 235 MPa thiab qhov tsawg kawg ntawm 400 mpa {10} {} {{11 {} bearing. Lawv yog ob leeg me me nrog Weldability zoo, ua rau lawv sib sau ua ke ntawm cov chaw tsim khoom siv cov qauv kev siv vuam lossis cov kev sib tw. Ob leeg kawm tau ua haujlwm zoo rau tsis- hnyav - Deart kev tuam tsev, Walways, los yog ib qho chaw khaws khoom warehouse. Qhov sib txawv tseem ceeb yog cov chaw hauv cheeb tsam: SS400 muaj ntau nyob rau hauv Nyij Pooj thiab Souteast Asia, thaum S235JR tau nrov npe hauv Tebchaws Europe thiab nws cov kev lag luam xa tawm. Rau cov haujlwm feem ntau, koj tuaj yeem hloov ib qho rau lwm tus yam tsis tau hloov kho lub nqaj loj lossis muaj peev xwm thauj khoom muaj ze li txuam.
Q: Thaum twg kuv yuav tsum xaiv Q345B tshaj A36 rau H nqaj?A: Koj yuav tsum xaiv Q345B tshaj A345B rau h tws thaum koj qhov project yuav tsum muaj zog dua los txhawb lub zog loj los yog ntev dua. Q345B yog qhov qis -} ecoy siab {}}-}}}}}} 50% siab dua A36 235 MPa. Lub zog no siab dua yog Q345B H tws tuaj yeem tswj cov tshuab lag luam hnyav (zoo li cov kab ke loj) tsis tas yuav muaj qhov loj dua- seem. Nws tseem tso cai rau kev nthuav dav ntev dua ntawm txhua qhov chaw, uas tsim ntau qhov chaw qhib hauv cov tuam tsev zoo li cov khoom lag luam zoo li cov chaw ua haujlwm zoo li cov chaw khaws khoom loj lossis cov chaw khaws khoom loj. Q345B tseem muaj qhov qis dua-kub nyuaj tshaj A36, ua rau nws haum rau kev tsim kho hauv cov cheeb tsam txias (piv txwv li, Northern Suav teb lossis Canada). Txawm li cas los xij, Q345B yog qhov kim me ntsis (10-15% siab dua) thiab yuav xav tau cov vuam me ntsis. Yog tias koj qhov project lub nra ntau tshaj A36 lub peev xwm, lossis yog tias koj xav tau txo cov nqaj loj rau qhov chaw, Q345b yog qhov kev xaiv zoo dua.
Q: Dab tsi ua rau S355 qhov kev xaiv zoo rau cov txheej txheem h nqaj?A: S355 yog qhov kev xaiv zoo rau cov teeb meem h nqaj, detability, thiab versatility- ua rau nws zoo tagnrho rau cov haujlwm tsim kho. Raws li European En 10025 Qib, S355 muaj tsawg kawg yog lub zog ntawm 355 MPa, uas yog qhov siab dua cov hlau me xws li S235JR lossis A36. Lub zog no tso cai rau S355 H Beams los txhawb cov khoom siv hnyav (piv txwv li}} S355 kuj tseem muaj kev sib txawv thiab cuam tshuam tsis kam, txawm tias thaum kub qis (nqis} Nws muaj kev zoo weldability nrog cov qauv txheej txheem, yog li nws yooj yim los sib xyaw ua ke rau hauv cov qauv nyuaj. S355 kuj muaj nyob rau hauv ntau sub-}}}}}}}}}} zoo li s355nl rau kev ua tau zoo tshaj plaws-kub. Thaum nws kim dua li cov qhab nia hlau me me, nws muaj zog ntau txo cov kev siv nyiaj tag nrho, offsetting tus nqi sib txawv.
Q: Kuv puas tuaj yeem sib xyaw qib sib txawv (piv txwv li, A36 thiab Q345B) hauv ib qhov project?A: Yog lawm, koj tuaj yeem sib txawv qib zoo li A36 thiab Q345b hauv ib qhov project, tsuav yog txhua qib yog siv rau cov khoom siv dag zog. Qhov kev sib xyaw no muaj nyob rau hauv cov haujlwm uas qee qhov chaw xav tau lub zog siab dua li lwm tus (uas yog A345B rau qhov tsis yog {{tus qauv sib dhos xws li ceilings). Kev sib xyaw ua ke tuaj yeem pab cov nqi ua kom zoo dua: koj them nyiaj rau siab dua}}} Lub zog Q345B tsuas yog xav tau A36 lwm qhov. Txawm li cas los xij, koj yuav tsum ua raws li ob txoj cai tseem ceeb: ua ntej, kom txhua tus tub rog yog qhov me me rau nws cov kab teeb ib txwm muaj dua rau cov ntoo khaub lig loj- seem. Thib ob, siv cov khoom siv vuam thaum tuaj koom cov qib sib txawv; Koj cov kws ua choj lossis Welder yuav tsum xaiv cov ntawv uas ua haujlwm rau ob qho tib si (piv txwv li, E7018 rau A36 thiab Q345B). Nco ntsoov sau cov qib kawm ntawm txhua BEAR hauv koj cov phiaj xwm phiaj xwm kom tsis txhob muaj kev tsis meej pem thaum kev tshuaj xyuas thiab kev tshuaj xyuas. Koj tus neeg muab khoom tuaj yeem muab cov ntawv pov thawj cais rau txhua qib kom ua tiav txoj cai kev lis kev cai.
Teeb 2: Qhov ua tau zoo & ua raws
Q: Ua tag nrho cov qib kawm (A36, SS400, thiab lwm yam) Ntsib cov qauv qauv thoob ntiaj teb?A: Yog lawm, tag nrho cov qib tau teev npe (A36, SS400, Q235B, Q245B, kom ntseeg tau txoj kev ntseeg tau zoo rau cov kab ke h tws. A36 ua raws li Astm A36 (Asmeskas haiv neeg rau kev sim thiab cov ntaub ntawv), lub ntiaj teb lees txais cov qauv rau cov qauv hlau me. SS400 ADHeres rau JIS G3101 (Japanese muaj cov qauv kev lag luam), siv dav hauv Asia thiab rau cov phiaj xwm ntawm Japanese tsim cov cim. Q235B thiab Q345B Sib Ntsib Tuam Tshoj GB / T 700 thiab GB / T 1500 thiab GB / T 1500 16-}}}} alloy. S235JR thiab S355 Ua raws li ENG 10025 (European qauv), ib qho qauv ntsuas rau cov hlau qauv txheem hauv Tebchaws Europe thiab ntau cov khw tsim khoom. Txhua qib kev tawm tsam nruj ntsuas- saib cov tshuaj ntsuam xyuas, tawm kev ntsuas lub zog Peb tseem muab cov ntawv pov thawj ntawm zeb (MTCS) rau txhua pob, uas cov kev xeem uas xeem thiab ua raws li. Rau cov phiaj xwm thoob ntiaj teb, cov qib no tau hloov tau nrog cov qauv sib luag (piv txwv li, A36 ≈ Q235JR), ua rau lawv yooj yim rau kev sib txuas ua ke cov phiaj xwm kev txhim kho thoob ntiaj teb.
Q: Qhov zoo ntawm cov beams soj ntsuam ua ntej xa khoom li cas?A: Qhov zoo tshaj ntawm cov txheej txheem h tws (thoob plaws txhua qib) yog tshuaj xyuas los ntawm ntau cov txheej txheem ntau {kauj ruam ua ntej xa koj cov kev xav tau. Ua ntej tshaj, peb sim cov beek bille kom siv cov khoom siv tshuaj lom neeg siv lub tshuab xas (piv txwv li cov pa roj carbon monoxide (piv txwv li cov pa roj carbon monoxide)))) Tom ntej no, thaum kub - rolling, peb soj ntsuam qhov kub thiab dov lub sijhawm kom tsis txhob muaj qhov tawg lossis tsis sib luag. Tom qab kev tsim khoom, txhua tus h nqaj undergoes channel seem: Peb siv cov cuab yeej laser kom paub tseeb qhov siab, Flange dav, kom lawv phim lawv cov qauv kev cai. Peb tseem ua cov ntawv kuaj tshuab ntawm cov qauv ntsuas ntawm cov qauv random {13} Kev ntsuam xyuas kom ntsuas lub zog, thiab cuam tshuam rau kev kub ntxhov xws li S355NL). Kev soj ntsuam sab deg yog ua rau cov nqaij, xeb, lossis dents; muaj qee qhov tsis xws luag me me yog kho ua ntej xa khoom. Thaum kawg, ib qho thib peb ywj siab {}}} Tus Kws Tshuaj Ntsuam Xyuas Party tuaj yeem ua cov kev kuaj xyuas ntxiv yog tias koj qhov project xav tau. Tsuas yog tom qab txhua qhov kev kuaj xyuas dhau peb lub pob thiab nkoj cov nqaj.
Q: Cov no puas yog h nqaj zoo rau kev tsim kho sab nraum zoov?A: Yog lawm, cov txheej txheem h tws (A36, SS400, Q235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B, SE235B,, lawv yuav xav tau kev kho sab nraum zoov kom tiv thaiv xeb thiab xeb. Tag nrho cov qib no yog qhov me me lossis qis {{{{{{{{{{{{{{{}} aleoy ecoy thaum raug los nag, av noo, lossis thaj chaw ntug dej hiav txwv). Rau kev siv sab nraum zoov theem pib (piv txwv li, qhib- huab cua}}} xeb pleev xim rau 5- 10 xyoo. Rau cov harsher ib puag ncig {18} Zoo li cov ntug hiav txwv ntawm ntug dej hiav txwv {19} kub} Qee qib, zoo li S355, muaj me ntsis zoo dua ntuj corrosion tsis kam vim lawv cov ntsiab lus alloy, tab sis lawv tseem tau txais txiaj ntsig los ntawm kev kho mob. Thaum siv cov kab teeb sab nraum zoov, koj yuav tsum tau tsim qauv rau kev tso dej (kom tsis txhob sawv ntawm cov kab teeb ci) thiab siv cov rolloseners (piv txwv li, galvanized bolts). Peb pab neeg tuaj yeem muab cov teeb tsa h cis ua ntej (pleev xim rau los yog galvanized) kom txuag tau koj nyob rau ntawm lub sijhawm zoo tshaj plaws raws li koj qhov chaw nyob.
Q: Ua li no cov nqaj hooj muaj hluav taws kub ua haujlwm?A: Cov txheej txheem h tws (A36, SS400, Q235B, Q345B, S235JR, S235JR, SEXE muaj kev kho hluav taws kub nyob ntawm seb lawv puas muaj hluav taws kub. Tag nrho cov hlau no khaws txog 50% ntawm lawv lub zog ntawm 500℃thiab poob ntau lub zog ntawm 600 degree} Qhov no txhais tau tias lawv tuaj yeem tiv taus cov hluav taws me me rau lub sijhawm luv luv, tab sis tsis muaj lub sijhawm ntev lossis ntev ntev. Rau cov phiaj xwm yuav tsum muaj kev tiv thaiv hluav taws kub (piv txwv li cov tsev lag luam, tsev kho mob), koj yuav tsum tau ntxiv hluav taws kub ntxiv. Cov hau kev suav nrog ua cov xim integescent (nthuav tawm los ua cov nqaj kub me me hauv hluav taws (piv txwv li, gypsum), lossis enccasing lawv hauv pob zeb. Qhov hluav taws kub tiv thaiv (piv txwv li, 1 teev, 2 teev) nyob ntawm lub thickness ntawm kev kho mob- Peb pab neeg thickness rau koj cov hluav taws kub. Qee qib, xws li Q345B thiab S355, muaj me ntsis zoo dua siab dua {{}} qhov kub thiab txias dua li A36, tab sis qhov sib txawv me me. Ib txwm sab laj koj cov kws ua yeeb yam kom ntseeg tau cov kab teeb (nrog kev kho mob) ua tau raws li cov qauv hluav taws rau hluav taws rau koj txoj haujlwm.
Q: Puas muaj cov ntawv pov thawj muab rau cov h nqaj?A: Yog lawm, peb muab cov ntawv pov thawj h qhov teeb meem h nqaj kom paub meej tias lawv ua tau zoo thiab ua raws li cov qauv. Cov ntawv tseem ceeb yog tusMill xeem Daim Ntawv Pov Thawj (MTC), uas yog muab rau txhua pob thiab suav nrog cov ntsiab lus tseem ceeb ntawm cov hlau (piv txwv li cov ntsiab lus carbon (org) Rau cov phiaj xwm thoob ntiaj teb, peb muab cov ntawv pov thawj ntxiv: CE khij rau qib zoo li S235jr thiab S355 (yuav tsum muaj ntawv pov thawj rau A36 (rau North American project). Yog tias koj qhov project xav tau peb-}}}}}}}}}} {{{ Peb tseem muab cov ntawv txheeb xyuas kev nyab xeeb cov ntaub ntawv tsim kev nyab xeeb (MSDs) rau kev tuav thiab khaws cov lus qhia. Tag nrho cov ntawv pov thawj tau muab rau hauv cov ntawv luam tawm ob zaug (PDF) thiab cov ntawv qhia nyuaj (yog li koj tuaj yeem yooj yim qhia rau koj tus kws tshawb fawb, yog li koj tuaj yeem yooj yim rau koj tus kws tshawb fawb lub tsev kom dhau tus neeg kuaj xyuas lub tsev.
Teeb 3: Daim Ntawv Thov & Kev Ua Haujlwm
Q: Puas yog cov h nqaj yuav siv rau qhov siab - Rose kev tsim kho?A: Yog lawm, cov kab laum h nqaj (tshwj xeeb yog Q345B thiab S355) tau siv dav rau siab siv lub zog, raws li lawv muaj lub zog thiab kev ruaj khov uas xav tau rau cov qauv siab. -}}}}}}}}} {zaub mov (355 mpa kom muaj zog) kom zoo rau qhov no. Cov qib no tso cai engineers siv cov kab teeb me, sib zog dua li cov hlau me xws li A36, uas txo lub tsev hnyav tag nrho thiab kev ntxhov siab ntxiv. Piv txwv li, Q345B h tws feem ntau siv rau cov laj kab pem teb thiab kem sib txuas hauv 10- Cov txheej txheem dab neeg lossis thaj chaw muaj kev pheej hmoo siab. Cov menyuam hlau me xws li A36, SS400, lossis S235JR kuj tseem siv tau rau hauv cov cheebtsam theem nrab (piv txwv li rau cov pob zeb theem nrab (piv txwv, cov khoom sib dhos) uas tsis siv lub nra hnyav. Tag nrho cov nqaj hlau tau sib haum nrog ntau lub siab {}}} PE Algrictricized txoj kev siv, thiab tuaj yeem ua precricated tawm-site kom ceev rau kev teeb tsa ceev. Koj tus kws tshaj lij yuav suav cov qhab nia thiab qhov loj me uas xav tau raws li lub tsev qhov siab thiab lub zos seismic codes.
Q: Cov no puas yog H nqaj teeb tsim nyog rau choj tsim kho?A: Yog, no Hooj (thawj q345b thiab s355) haum rau kev tsim kho me me, xws li rau cov choj txuas ntxiv (piv txwv li cov choj neeg taug kev, nyob deb nroog cov choj txuas ntxiv). Txuas hniav yuav tsum teeb cov teeb uas tuaj yeem tiv taus cov khoom lag luam tsis tu ncua (los ntawm cov tsheb lossis kev ntxhov siab ib puag ncig), thiab cov khoom siv hnyav (piv txwv li, tsheb thauj khoom). Q345B thiab S355 muaj lub zog siab (345- {-}} Alloy muaj pes tsawg txoj kev tawm tsam lawv cov kev hnav khaub ncaws. For example, S355 H beams are often used for bridge decks or support girders, as they can span 10-30 meters without excessive deflection. Cov menyuam hlau me xws li A36 lossis S235JR tuaj yeem siv rau qhov tsis {{ Txhua tus choj-qib H cis yuav tsum kub-dip galvanized los yog pleev xim kom tiv taus corrosion los ntawm kev kev ntsev los yog dej noo. Peb tseem tuaj yeem muab cov nqaj nrog cov tshev ua kom zoo dua (piv txwv li, kev sim tshuaj ntsuab rau kev kho sab hauv) kom tau raws li kev tsim kho choj.
Q: Dab tsi yog lub peev xwm thauj tau muaj peev xwm sib txawv ntawm Q235B thiab Q345B h tws?A: Tus muaj peev xwm muaj peev xwm sib txawv ntawm Q235B thiab Q345B h tws yog qhov tseem ceeb, tsav los ntawm lawv cov txiaj ntsig lub zog zuj zus. Q235B muaj qhov tsawg kawg nkaus lub zog ntawm 2345b muaj tsawg kawg yog Q345B muaj tsawg kawg yog Q345B tuaj yeem txhawb nqa kwv yees li Q235b rau tib lub nqaj loj. Piv txwv li, lub xyoo 200x100mm Q235B H235B H235B H235B H2- Metered Qoob loo tuaj yeem xyuam xim Q345B nqaj tuaj yeem ua rau 22 kn / m. Qhov sib txawv no tso cai Q345b yuav tsum tau siv rau cov ntawv thov hnyav, thaum Q235B yog qhov zoo dua rau kev siv pob tw (xws li cov txee hauv av Yog tias koj xav tau los txhawb lub nra hnyav tab sis muaj qhov chaw muaj teeb meem, Q345B cia koj siv cov nqaj me me, muaj peev xwm siv tau lub peev xwm ntawm 200x100mm Q235B Beam. Txawm li cas los xij, Q345B yog kim dua, yog li koj yuav tsum tau sib npaug ntawm cov kev xav tau kev siv nyiaj. Koj tus neeg muab khoom tuaj yeem pab ua kom muaj peev xwm thauj tau tseeb rau txhua qib kawm raws koj lub nqaj loj thiab ntev.
Q: Puas yog cov teeb ha tw yuav siv tau hauv huab cua txias?A: Yog lawm, cov teeb Hooj no tuaj yeem siv tau hauv huab cua txias, tab sis koj yuav tsum ua qhov tseem ceeb - Zoo li S355N, lossis A36 (nrog A345S). Huab cua txias (hauv qab 0 degree) tuaj yeem ua qee cov hlau nkig, ua kom muaj kev pheej hmoo zuj zus los ntawm kev cuam tshuam lossis cuam tshuam. S355NL yog qhov kev xaiv zoo tshaj plaws rau cov huab cua txias: Nws tau sim rau kev cuam tshuam tsis kam ntawm- 40 degree, yog li nws tseem nyob khov ua kom khov. Q345D (ib qho kev sib txawv ntawm Q345B) kuj yog txias- Tsis kam, nrog kev ntsuas cuam tshuam ntawm}}}} 20 degree. A36 tuaj yeem siv rau hauv me me txias (nqes mus rau 0 degree), tab sis rau qhov kub hauv qab no uas koj yuav xav tau A36 nrog kev cuam tshuam ntxiv. Cov qhab nia me zoo li Q235B lossis S235JR tsis tshua muaj mob (hauv qab -10 degree) tshwj tsis yog lawv muaj kev kho cua sov tshwj xeeb. Thaum siv cov kab teeb no hauv huab cua txias, koj yuav tsum tau kho cov kev tsim kho kev tsim kho cov khoom siv hluav taws xob kom tiv thaiv kev tawg, thiab tsis txhob muaj kab teeb meem ntawm qhov kub thiab txias hauv qab -15 degree. Peb pab neeg tuaj yeem muab cov qib txias-resistant cov qhab nia thiab muab cov txheej txheem daws teeb meem los ua kom cov kab teeb ua tau zoo hauv koj qhov kev nyab xeeb.
Q: Cov no yog cov nqaj h cis tau tshaj nrog kev ua haujlwm prefabricated?A: Yog lawm, cov kab h nqaj (A36, SS400, Q235B, Q345B, S235JR, S235JR, S235JR, S235JR, S235JR, S235JR, SESTERS rau tawm- chaw ua lub tsev cov phiaj xwm. Prefabricated kev tsim kho nrog manufacturing steel Cheebtsam (zoo li h tws) hauv lub Hoobkas, tom qab ntawd thauj lawv mus rau lub xaib rau kev sib dhos- qhov no
H Nqe Hlau MS Channel Hlau Channel Hlau Channel Hlau Cuav Kuv, SS400, 以及, 个答案, 答案和对应的问题在一起, 问题要贴近于买家口吻, 问题要贴近于买家口吻, 英文版本, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些, 要短一些,
Teeb 1: Yam khoom & Qib Tau Sib Xws
Q: Ua H nqaj, u channel, thiab kuv nqaj txhua tus tuaj hauv A36 qib?A: Yog lawm, U channel (MS channel), thiab kuv nqaj txhua yam muaj nyob hauv A36 qib, ua rau lawv ntau yam rau kev ua haujlwm tsim kho. A36 yog cov qauv siv hlau me me (t Rau h nqajs, A36 qib yog qhov zoo tagnrho rau nruab nrab load {{}} cov kabmob hauv pem teb cov thav ntawv txhawb nqa. U Channel Hlau (MS channel) hauv A36 feem ntau siv rau kev txhawb nqa ntug, ua tsaug rau nws cov channel-secned cross-seem uas ntxiab thiab faib qhov hnyav. Qhov kev teeb tsa hauv A36 yog qhov zoo tshaj plaws rau kev ncua ntev dua hauv cov qauv zoo li kev cob qhia ua ke, raws li lawv cov khoom seem uas muaj zog thiab qhov hnyav. Xaiv A36 rau tag nrho peb cov duab ua kom pom tseeb hauv vuam thiab sib dhos, vim lawv muaj tib lub weldability thiab tuaj yeem koom nrog cov khoom siv hluav taws xob (piv txwv li, E6013). Qhov kev sib txuam no tseem ua kom yooj yim cov khoom noj kom zoo nkauj thiab cov tshev mis zoo, raws li koj tsuas yog yuav tsum txheeb xyuas ib qib raws li cov qauv.
Q: Yog SS400 Haum rau ob lub kaum sab xis steel thiab carbon kaum?A: Yog lawm, SS400 yog haum rau ob lub kaum sab xis steel thiab carbon lub ntsej muag, raws li ob cov lus no feem ntau yog tus qauv sib dhos nrog cov roj carbon steel puag. SS400 (JIS G3101 tus qauv) yog ib qho tsawg kawg ntawm cov hlau uas muaj zog thiab 400 MPa yam tsawg kawg nkaus xav tau ntawm lub kaum sab xis steel / carbon kaum. Lub kaum sab xis steel hauv SS400 yog siv rau bracing, framing cov txheej txheem, lossis txuas lwm cov txheej txheem h Beams rau cov kev txhawb nqa hauv ob qho lus qhia. Carbon lub kaum ntse ntse (uas yog tsuas yog kaum steel ua los ntawm cov hlau steel) hauv SS400 ua haujlwm rau cov ntawv thov sib xws lossis tsim cov khoom ntim me me. SS400 txoj kev ua tau zoo txhais tau tias lub kaum ntse ntse tuaj yeem bent me ntsis ntawm- yog qhov xav tau, tsis muaj kev tawg. Nws tseem muaj weldability zoo heev, yog li koj tuaj yeem yooj yim txuas nrog rau cov hlau txuas rau lwm cov SS400 Cheebtsam (zoo li koj raws cov qauv vuam. Txawm koj hu nws lub kaum ntse ntse steel lossis carbon lub kaum sab xis, ss400 ua kom muaj kev ntseeg siab rau lub teeb rau cov haujlwm nruab nrab.
Q: Tau S235JR yuav siv rau MS channel steel?A: Kiag li, s235jr yog ib qib thiab tsim nyog qib rau MS channel steel (raws li nws ua raws li cov channel raug siv cov xwm txheej. S235JR yog European EN ENTROLE ENG 10025 MPA yam tsawg kawg yog cov zog me me uas xav tau rau MS channel, uas yog siv nyob rau hauv tsis yog} hnyav {{} cov luag hauj lwm. Ms Channel Steel hauv S235JR feem ntau siv rau kev ua cov thav duab me me, txhawb nqa cov qauv qab tsis tseeb zoo li cov chaw tsim chaw. Nws cov duab channel (nrog ib lub tiaj tiaj tus thiab ob tus flapes) ntxiab kev ua kom zoo, thiab s235jr kev txhim kho kom ua kom cov channel muaj yam tsis muaj khoov kev cuam tshuam me. S235JR kuj muaj cov khoom zoo zoo, uas txhais tau tias MS channel yuav tsum tau npaj tsawg ua ntej tha xim lossis vuam. Rau cov phiaj xwm ntawm European Cov Qauv, S235JR MS Channel Hlau yog tus nqi-}} kev xaiv tau zoo, raws li nws sib npaug. Nws tseem yooj yim rau qhov chaw nyob rau hauv cov qauv qhov ntau (50x37mm, 75 xhx50mm), ua rau nws mus nrawm} {algaround tej yaam num.
Q: Dab tsi yog qhov txawv ntawm H nqaj thiab kuv nqaj hauv S355 qib?A: Tus yuam sij sib txawv ntawm H nqaj thiab kuv nqaj hauv S355 qeb nyob rau hauv lawv cov ntoo khaublig} seem ntawm cov khoom siv, thiab cov ntawv thov zoo tagnrho. H Be nqaj muaj ib qho dav dav, muaj cov khaub lig ntau {{4 4}} peeple flanges thiab cov nqaj muaj cov nyom me me (zoo li tus "Kuv") thiab ib qho webser. Cov qauv tsim no ua rau S355 h nqaj muaj zog hauv ob qho tib si ntsug thiab tom qab cov kabmob hluav taws xob ua kom hnyav dua, yog li nws siv rau cov kab ke ua tsev lossis cov poj niam girders. S355 i beam, los ntawm kev sib piv, yog sib npaug thiab ntau dua rau kev ncua ntev nrog feem kev ntsug, xws li cov vaj tse hauv pem teb lossis cov hlua pasead. H nqaj hauv S355 kuj muaj lub sijhawm siab dua ntawm inertia (ib qho kev ntsuas ntawm cov qauv sib zog ntawm cov nyom), lub ntsiab lus nws khoov qis dua li cov nqaj sib loj. Kuv nqaj, txawm li cas los xij, yog tus nqi ntau dua -}} Ua tau zoo rau cov ntawv thov uas cov khoom siv rau ib qho tsawg, vim tias nws siv cov hlau tsawg dua. Ob qho tib si yog ua nrog S355 (355 mpa yij lub zog) rau lub zog siab, tab sis lawv ib txwm ua rau koj qhov project ua kev taw qhia thiab kev xav tau kev xav tau.
Q: Yog tag nrho cov duab (h, u, kaum, kuv) muaj nyob hauv S355?A: Yog, tag nrho plaub cov duab - h channel (ms channel (m S355 yog qhov siab - lub zog qis {{}} muaj zog tshaj tawm lub zog (EN 100% S355 h nqaj yog siv rau hnyav- dute- cov ris tsheb loj lossis cov chaw khaws khoom loj loj. S355 U channel steel ua haujlwm rau kev txhawb nqa cov cuab yeej hnyav hnyav lossis txhawb cov pob zeb ua tuab, raws li nws cov duab channel muaj peev xwm ua kom qis qis. S355 lub steel sab xis yog qhov zoo tagnrho rau kev sib txuas lus siab (nyiam sib txuas lus yees) lossis txuas cov nqaj hnyav, txij li nws cov duab tsis kam ua rau cov rog tom qab. S355 i beam yog siv rau ntev spans nyob rau hauv cov qauv xws li kev ua kis las lossis lub zog} qhov hnyav} Qhov hnyav recuces txo cov nqi khoom siv tag nrho cov nqi. Muaj txhua yam duab hauv S355 txhais tau tias koj tuaj yeem siv ib qib rau koj cov phiaj xwm tag nrho, tsis txaus ua vaj engineering suav, kev tswj cov txheej txheem, thiab tswj cov txheej txheem zoo. Nws kuj tseem ua kom txhua cov khoom siv tau sib piv rau cov qauv zoo li cov choj zoo li cov choj los yog siab {29} sawv.
Teeb 2: Daim Ntawv Thov & Siv Cov Ntaub Ntawv Xaiv
Q: Thaum twg kuv yuav tsum tau siv u channel hlau (MS channel) hloov ntawm lub kaum steel?A: Koj yuav tsum siv u channel hlau (MS channel) (MS channel) thaum koj qhov project xav tau kev pab txhawb nqa raws txoj kev linear lossis cuab tam / ntawv qhia ntxiv, tsis yog txhawb cov ces kaum. U channel cov duab - nrog lub vev xaib tiaj tus thiab ob qho kev sib tsoo "tsim kom muaj qhov rooj thiab cov ciav hlau ua kom muaj cov khoom siv. Nws tseem zoo dua rau kev txhawb nqa cov ntsug ntawm thaj chaw nqaim, xws li thav duab ntawm cov ntaiv los yog tuav cov npoo ntawm lub tsev mezzanine. Tsis zoo li lub qub hlau (uas muaj zog nyob rau hauv ob txoj kev sib tw sib tw tab sis nqaim), u channel muaj qhov hnyav dua nyob rau saum npoo av, txo cov ntsiab lus saum npoo av. Piv txwv li, yog tias koj tab tom tsim lub txee uas xav tau tuav cov thawv hnyav raws qhov ntev, u channel raws li lub txee rau kev ua haujlwm zoo dua li lub kaum sab xis. U channel kuj yooj yim dua los txuas rau qhov chaw tiaj tiaj (zoo li phab ntsa) vim tias nws lub web muab cov chaw loj dua rau bolts lossis vuam. Lub kaum ob lub kaum sab xis yog qhov zoo dua rau cov ces kaum lossis bracing, tab sis u channel ci thaum koj xav tau kev txhawb nqa tawm los yog cov qauv qhia.
Q: Cov phiaj xwm dab tsi yog qhov zoo tshaj plaws rau carbon lub kaum sab xis hauv A36 qib?A: Tus khoos kas carbon lub hauv A36 qib yog qhov zoo tagnrho rau ntau cov teeb rau hauv nruab nrab kev tsim kho thiab cov khoom siv fabricuration, ua tsaug rau nws tus nqi qis, muaj zog zoo, thiab versatility. Nws yog feem ntau siv rau bracing hauv ntoo los yog steel thav duab- Lub kaum hli ntuj A36 carbon lub ntsej muag kom tiv thaiv mus rau ntawm cua. Nws tseem zoo meej rau cov framing fab, zoo li koom nrog ob daim phiaj hlau ntawm 90 {{{{{{{8}℃kaum sab xis hauv ib qho kev ua haujlwm lossis khoom siv sawv ntsug. A36 carbon lub kaum kev ua haujlwm zoo rau kev ua cov khoom ntim me me: nws l-duab tuaj yeem welded ua ke los ua cov khib thiab cov kab laum, cov thawv txhawb nqa lossis cov cuab yeej. Nws tseem siv nyob rau hauv kev tsim kho nyob hauv cov chaw nyob, xws li txhawb qhov rooj ntawm lub qhov rooj lossis ntxiv kev txhawb nqa rau cov tsev qub. Rau cov qauv ib ntus, xws li kev tsim kho cov kev tsim kho lossis kev xaiv roj ntsha, A36 Carbon Lub cev yog qhov kev xaiv zoo dua vim tias nws muaj zog txaus los tuav kev siv ntau. Nws cov qib A36 ua kom nws yooj yim rau weld nrog cov cuab yeej txheem, yog li txawm tias cov kev cob qhia me me tuaj yeem ua rau cov khoom nrog nws.
Q: Puas yog H nqaj lossis kuv nqaj zoo dua rau cov chaw muag khoom qab nthab dhau los hauv SS400?A: Rau cov khoom noj qab zib qab nthab txhawb nqa nyob rau hauv SS400 H nqaj feem ntau zoo dua li kuv cov kabmob muaj peev xwm, faib cov khoom ntim ntau hauv cov chaw ua lag luam. Cov chaw ntim khoom uas feem ntau muaj qab nthab - mounted cov cuab yeej siv lossis cov teeb meem} ssy-}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}. H Be nqaj kuj tseem muaj lub web thicker (qhov ntsug ntawm "h") dua li kuv cov nqaj, uas ua rau nws muaj zog tiv thaiv yav dhau los (zoo li cua lossis tshee los ntawm cov khoom siv ua haujlwm ntawm chaw rau khoom. SS400 Qib (235 MPA tawm lub zog) muab lub zog txaus rau koj siv cov chaw txhawb nqa obt nthab (tsim ntau qhov chaw qhib hauv qab no. Kuv nqaj hlau, thaum sib zog, muaj qhov hnyav tshaj plaws - qhov no txhais tau tias koj yuav xav tau ntau dua kuv cov nqaj sib txuas ntxiv lossis txuas ntxiv rau kev sib tw h tw kev ua tau zoo. H Beach tseem ua kom yooj yim dua, raws li nws lub tiaj flanges yog yooj yim dua los txuas rau cov kab ke qab nthab. Rau cov chaw khaws khoom noj qab zib, SS400 h nqaj sib npaug muaj zog, nqi, thiab chaw ua hauj lwm zoo dua li kuv tw.
Q: Tau S235JR Angle Steel siv rau cov phiaj xwm sab nraum zoov?A: Yog, s235JR lub kaum steel tuaj yeem siv rau cov haujlwm sab nraum zoov, tab sis nws yuav tsum muaj cov xeb kom zoo kom muaj kev xeb thiab xeb yog tsis muaj cov tshuaj tiv thaiv me me uas tsis muaj kev tiv thaiv. Cov phiaj xwm sab nraud xws li cov laj kab vaj, duab sab nraud, lossis sab nraum zoov sheds feem ntau siv S235JR Angle Steel vim nws pheej yig thiab yooj yim rau kev ua haujlwm nrog. To protect it outdoors, the most common treatment is hot-dip galvanizing: the angle is dipped in molten zinc, forming a thick, durable layer that prevents moisture from reaching the steel-this can last 20-30 years in most climates. Yog hais tias galvanizing yog kim heev, koj tuaj yeem siv ob {{}} Cov xim tsis txaus ntseeg: thawj zaug}}}}} {{{18 {}-}}}}}} {xyoo. Txhawm rau tsawg tshaj tawm nthuav tawm sab nraum zoov ntu (zoo li sab hauv ntawm daim duab patio duav), ib lub tsho tiv no ntawm cov xim xeb tsis muaj xeb yuav txaus. S235JR Angle's Ductility kuj pab nws tiv thaiv qhov kub sab nraud hloov- nws yuav tsis tawg rau hauv huab cua txias lossis Warp hauv cov cua sov ntev li ntev tau. Tsuas yog zam kev siv tsis tau siv S235JR Angle hauv Steel nyob rau hauv ntug hiav txwv cheeb tsam, qhov twg ntsev tsuag tsuag intus muaj xeb; Hauv cov xwm txheej ntawd, galvanizing yog ib qho yuav tsum tau ua.
Q: Dab tsi yog qhov zoo tshaj plaws (h, u, kaum, kuv) rau kev tsim cov hlau ua haujlwm?A: Cov duab zoo tshaj plaws rau kev tsim cov hlau ua haujlwm yog kev sib txuas ntawm lub kaum ntse ntse thiab u channel hlau (raws li lawv txhua tus qauv tshwj xeeb hauv lub rooj zaum hauv lub rooj zaum. Lub kaum sab xis (nyiam dua A36 lossis S235JR) yog qhov zoo tshaj plaws rau lub rooj ntev zaum, yog li koj tuaj yeem ua rau cov ceg ncaj ncees thiab kab rov tav crossbars uas txhawb nqa lub rooj ntev lub cev nyhav. Lub kaum sab xim tseem yooj yim txuas rau qhov kev ua haujlwm sab saum toj (piv txwv li, cov vaj huam sib luag lossis ntoo ntoo) siv bolts lossis vuam. U channel steel ua haujlwm zoo rau lub rooj ntev zaum ntawm ntug kev nce qib kom tiv thaiv kev puas tsuaj los yog koj muab coj cov khoom siv. H Be nqaj yog overkill rau ib tug workbench-} Lawv dhau qhov hnyav thiab kim heev rau nruab nrab ntawm kev ua haujlwm (xws li, cov khoom me). By combining Angle Steel (for framing) and U Channel (for edges/rails), you get a workbench that's strong, lightweight, and cost-effective. Koj tseem tuaj yeem siv cov npluav me me ntawm cov tawv me kom ntxiv bracing ntawm ob txhais ceg, ua rau lub rooj ntev zaum ntau dua rau cov haujlwm hnyav xws li rauj lossis clamping.
Teeb 3: Cov Khoom Zoo & Kev Ua Tau Zoo
Q: Ua A36 thiab SS400 muaj lub zog zoo sib xws rau cov qauv duab xws li H Beam?A: Yog, A36 thiab SS400 muaj yuav luag zoo li cov qauv duab zoo li h nqaj, ua rau lawv hloov tau rau feem ntau lub teeb rau cov haujlwm nruab nrab. A36 (ASTM txuj ci) muaj tsawg kawg yog los lub zog ntawm 235 MPa thiab lub tensile lub zog ntau ntawm 400 {{{}} 550 mpa. SS400 (JIS G3101 tus qauv) kuj muaj tsawg kawg nkaus lub zog ntawm 2300 mpa- Cov tseem ceeb ntawm lub zog ntsuas yog yuav luag zoo ib yam. Rau h nqajs, qhov no txhais tau tias yog A36 H BAR thiab SS400 h BAD ntawm tib qho loj me (piv txwv li, 200x100mm) tuaj yeem txhawb nqa tib tus nqi thiab ntev tib yam kev ncua. Ob txoj kab me me muaj cov hlau roj carbon me me nrog cov ntsiab lus tsawg, yog li lawv muaj me ntsis nyob hauv thauj khoom tsis muaj kev tawg, uas yog qhov tseem ceeb rau kev nyab xeeb. Lawv weldability kuj tseem piv: Koj tuaj yeem siv tib lub vuam hluav taws xob (piv txwv li, E60 E6013) thiab cov kev kawm rau ob qib, tsis tas yuav kho cov txheej txheem. Qhov sib txawv tseem ceeb yog thaj chaw thaj chaw hauv cheeb tsam: A36 muaj ntau nyob rau hauv North America, thaum SS400 yog nrov hauv Asia. Rau h tws thiab lwm cov duab, koj tuaj yeem xaiv cov qib kawm raws koj qhov chaw ua haujlwm qhov chaw lossis qauv tsim qauv, tsis muaj zog.
Q: Ua li cas S355 txhim kho kev ua haujlwm tshaj S235JR rau u channel steel?A: S355 txhim kho kev ua tau zoo dua S235JR rau koj cov hlau loj los ntawm kev muab lub zog siab dua, thiab ntau dua qhov muaj peev xwm tshaj tawm rau cov khoom siv hnyav lossis ntau dua. S355 muaj qhov tsawg kawg los lub zog muaj zog ntawm 355 MPa, uas yog 50% siab dua S235jr 65 23 MPa. Rau u channel steel, qhov no txhais tau tias S355 tuaj yeem txhawb cov khoom hluav taws xob hnyav (piv txwv li cov khoom siv ua kom nruj dua lossis cov khoom siv hnyav dua. S355 kuj muaj kev qaug zog zoo dua: Yog tias U channel siv rau hauv ib tus qauv nrog rov ua dua (nyiam nyob ze lub tshuab), nws tsis tshua muaj kev cuam tshuam rau lub sijhawm S235JR. Nws tau txhim kho qis qis - kub shofness}}}}}}} dua cov cua txias, thaum S235jr yuav ua rau muaj huab cua txias. S355 U channel tseem tso cai rau qhov ntau thiab tsawg dua: los txhawb tib lub thauj khoom, S35JR ntau dua li S235JR ib qho, txuag tau qhov chaw teeb meem thiab txo cov qauv qhov hnyav. Thaum S355 yog kim dua S235JR, nws cov txiaj ntsig tau zoo ua rau nws muaj txiaj ntsig zoo rau cov phiaj xwm kev lag luam, lossis cov qauv sab nraum zoov uas lub ntsej muag hnyav.
Q: Puas yog cov qauv txheem no (H, U, Kaum, Kuaj rau Thauj Khoom Muaj peev xwm?A: Yog lawm, tag nrho cov ntawv txheej txheem no {{}} h channel (MS channel (MS channel (M36, SS400, S235JR, S355). Cov txheej txheem ntsuas pib nrog xaiv cov qauv: random daim los ntawm txhua qhov chaw tsim khoom yog xaiv los sawv cev rau tag nrho cov. Cov qauv no yauv musTensile cov ntawv xeemTxhawm rau ntsuas ntau npaum li cas quab yuam lawv tuaj yeem tiv taus ua ntej tawg, uas tau lees tias lawv lub zog tensile. Lawv kuj tau yauv musDABTSI YOG KHOOV xeem, qhov twg tus duab (piv txwv li, lub kaum sab xis steel) yog khoov rau lub kaum ntse ntse (feem ntau 180}}}}} tsis keej, nws dhau. Rau thauj khoom muaj peev xwm rau cov duab, engineers sivKev Ntsuam Xyuas Cov Txheej Txheem SoftwareTxhawm rau laij cov nqi hnyav npaum li cas txhua qhov ntawm cov duab tuaj yeem txhawb nqa raws nws qhov ntev thiab qib (piv txwv li ntau npaum li cas 150 h nqaj tuaj yeem tuav tau lub 8-meter ntev). Qee cov tuam ntxhab tseem yuav uaTiag -} Lub Ntiaj Teb Kev Ntsuam Xyuas, qhov chaw uas lawv tso cov tes taw hnyav rau ntawm cov duab kom txog thaum nws nce qib taw tes, txhawm rau siv cov kev suav software. Tag nrho cov ntawv pov thawj kev sim tau teev cia hauv zeb daim ntawv pov thawj (MTCS), uas tau muab nrog txhua cov zaub mov xa tuaj. Qhov kev ntsuas no ua kom pom cov duab ua raws li xav tau hauv koj qhov project, yog li koj tuaj yeem ntseeg lawv lub peev xwm thauj khoom.
Q: Puas yog cov duab (piv txwv li, h nqaj vs. lub kaum ntse ntse ntse) cuam tshuam corrosion tsis kam rau tib qib?A: Cov duab (piv txwv li, h nqaj vs. lub kaum ntse ntse steel) tsis cuam tshuam tau zoo npaum li cas txoj kev corrosion, tab sis nws tuaj yeem kis tau sai npaum li cas yog tias tsis kho. Rau tib qib (piv txwv li, A36), H nqaj thiab lub kaum sab xis ua hluav taws kub tsis kam {}} Ob leeg puav leej muaj xeb thaum muaj dej noo. Txawm li cas los xij, cov duab cuam tshuam yuav ua rau yooj yim li cas yog los thov kev kho tiv thaiv kev tiv thaiv (zoo li cov xim pleev xim lossis galvanizing) thiab cov khib nyiab li cas. H Be nqaj muaj ntau dua cov crimices (nruab nrab ntawm lub vev xaib thiab flanges) qhov twg koj yuav tsum paub meej cov chaw no tau sib zog thaum lub sijhawm kho mob thaum muaj. Lub qhov hlau lub kaum sab xis muaj ib qho kev sib tw ib leeg (sab hauv ntawm l- duab), uas yooj yim dua rau lub tsho ntau tab sis tseem xav tau kev saib xyuas. U channel muaj qhov zawj uas tuaj yeem ntxiab shros thiab dej, yog li nws yuav tsum tu kom huv si kom tiv thaiv kev xeb hauv qab txheej. Kuv nqaj yog zoo ib yam li h nqaj tab sis nrog nqaim flanges, yog li nws cov crevices yog me dua tab sis tseem xav tau txheej. Thaum lub puab tsaig tsis hloov pauv cov qib kev ua haujlwm tsis kam, nws cuam tshuam nrog ntau dua crevices (h nqaj, koj channel) yuav xav tau tshuaj xyuas ntau dua kom ntes tau muaj xeb ntau zaus.
