Teeb 1: Cov hauv paus ntawm A36 thiab S235JR Anggle Cov Nqis
Lus nug: Dab tsi yog qhov sib npaug thiab cov khoom tseem ceeb thiab tsis sib xws thiab lawv ua li cas sib txawv?
Teb: Sib npaug lub kaum ntse ntse muaj ob txhais ceg ntawm qhov ntev (piv txwv li, 50 × 5mm), muab cov ntaub ntawv symmetric {{5 5 5}} bearing. Qhov tsis sib xws cov ceg muaj ob txhais ceg ntev (piv txwv li, 40 × 63 × 5 hli), muab cov kev ntxhov siab asymmetric kom tsis muaj kev ntxhov siab. Cov khoom sib luag yooj yim tsim kho cov qauv sib npaug zoo li cov tsev sib tw ua kom zoo ntawm cov khoom siv lossis cov nqaj-}}}} kev sib txuas. Ob qho kub -}}}}}}}}}}}}} Kuv cov ceg teeb tsa lub hom phiaj txawv cov ntawv thov. Cov versatility no ua rau lawv staples hauv kev tsim kho thiab kev tsim khoom.
Lus nug: Cov qauv A36 twg A36 thiab S235JR Anggle cov khoom ua raws?
Teb: A36 ADHERES RAU ASTM A36 / A36M, US txheej txheem rau cov hlau qauv hlau. S235JR Ua raws li Europe cov Europe EN 10025- 2 tus qauv rau cov qauv vaj ntxwv. Ob qho qauv txhais tau cov tshuaj uas txhais tau cov tshuaj, cov khoom siv mechanies, thiab kev txom nyem sab hauv. ASTM A36 qhia meej qhov tsawg kawg 36 ksi (250 MPa (250 mpa) muab lub zog rau 10025-2 mpa paib lub zog rau S235JR. Ua raws li kev ua kom muaj txiaj ntsig zoo thoob ntiaj teb no-A36 yog nrov hauv North America, S235JR hauv EU thiab cov lag luam xa tawm.
Lus nug: Dab tsi ua "A36" thiab "S235JR" qhia txog lub kaum sab xis?
Teb: "A36" txhais tau tias yog 36 MPA) (250 MPa (250 MPa) Tsawg "S235JR" txhais tau tias 235 mpa kom muaj zog ("s" {{8 ° C) ° C) ° C), thiab "R" (zoo tib yam). A36 yog cov tawv carbon hlau, thaum S235JR kuj yog cov roj hlau nrog cov ntsiab lus zoo sib xws. Cov kev tsim qauv yuav pab cov neeg yuav khoom nrawm nrawm rau qhov kev thauj khoom thiab tawv xav tau {} A36 rau nruab nrab loads, S235JR rau kev siv lub teeb.
Lus nug: Yog A36 thiab S235JR lub kaum ntse ntse bars kub- rolled lossis txias- tsim, thiab yog vim li cas?
Teb: Ob qho tib si yog feem ntau kub -}} rolled. Kub Rolling cuam tshuam nrog cov hlau hluav taws xob kub billets rau 1100 {{5 ° C, tom qab ntawd yob rau hauv kaum sab xis. Tus txheej txheem no khaws cov qauv grain, txhim kho kev sib kho thiab kev nruj me ntsis rau kev nyab xeeb. Nws yog tus nqi {-} Nws tau ua tau zoo rau huab hwm coj ntau lawm, khaws cov nqi sib tw. Kub - rolled cov tuav tau zoo dua weldability tshaj li txias, raws li lawv zam kev ua haujlwm hnyav uas ua rau brittleness. Txias-tsim cov versions muaj tab sis yog tsis tshua muaj rau cov kev teeb tsa no cov kev kawm, raws li kub dov raws lawv cov kev xav tau.
Lus nug: Dab tsi yog qhov loj me me rau A36 thiab S235JR sib npaug / tsis sib xws cov pob zeb?
Teb: Cov kab sib luag ntawm cov kab sib luag ntawm 20 × 20 × 3mm mus txog 200 × 200 hli. Cov kab tsis sib xws muaj cov ceg luv luv 25-125mm thiab ob txhais ceg ntev 40-200mm, tuab 3-20mm. Qhov ntau thiab tsawg thiab tsawg: 50 × 50 × 5mm (sib npaug, teeb tsa), 40 × 63 × 63 × 63 × 5 hli (tsis sib xws, cov nyiaj tsis sib xws). Cov qauv ntev yog 6M, 9m, 12m (A36) thiab 6M, 10m (s235jr). Muaj kev cai txiav cov kab lis kev cai muaj rau cov qib ob, ua rau muaj cov haujlwm sib txawv xav tau ntawm qhov chaw nyob ntawm kev lag luam.
Teeb 2: Kev sib piv ua tau zoo (A36 vs. S235jr)
Lus nug: Yuav ua li cas ua cov neeg kho tshuab ntawm A36 thiab S235JR Anggle Bars piv?
Teb: A36 muaj qhov siab dua lub zog (250 MPa vs. 235 MPa lub zog (400} vs {{5 5}} mpa). S235JR tau muaj dua me ntsis elongation (≥25% vs. ≥20% rau A36), muab cov khoom muaj npe zoo. Ob qho tib si muaj kev sib txawv ntawm 20 ° C (° C (≥27j). A36 ua haujlwm nruab nrab {20 {}} hnyav loads zoo dua, thaum s235jr excrels in shaping rau kev cai seem. Lawv weldability yog sib npaug zoo - Tsis muaj preheating xav tau rau cov ntu nyias. Qhov sib txawv yog menyuam yaus, ua rau lawv hloov tau rau lub teeb - cov phiaj xwm rau-nruab nrab.
Lus nug: Cov qib twg yog qhov tsim nyog dua rau qis -} Qhov chaw ib puag ncig?
Teb: Tsis yog qhov zoo rau kev mob khaub thuas heev, tab sis S235JR tau faib tawm (piv txwv li, s235Jo, ° C cuam tshuam) rau cov thaj chaw txias. A36 tswj txoj kev nruj me ntsis rau ~ -10 ° C; Hauv qab no, nws yuav dhau los ua nkig. Rau cov huab cua txias, qhia txog S235Jo / J2 lossis A36 nrog kev soj ntsuam kev cuam tshuam ntxiv. Ob qib yuav tsum muaj kev tiv thaiv (piv txwv li, galvanizing) kom tsis txhob muaj xeb nyob rau hauv txias, humidity. Rau cov ntawv thov Arctic, qib siab dua-tawv me nyuam (piv txwv li, s355jr, A572) zoo dua, tab sis A335JR ua haujlwm txias me me.
Lus nug: Ua li cas lawv cov tshuaj lom neeg siv tshuaj lom neeg cuam tshuam nrog kev ua tau zoo?
Teb: A36 muaj Max 0.25% carbon, 0.80 - 1.35% manganese; S235jr muaj Max 0.20% carbon, 0.50- 1.40% manganese. Tsawg dua cov pa roj hauv S235JR Boosts Veldability me ntsis, thaum A36 lub siab dua manganese txhim kho lub zog. Ob leeg txwv phosphorus / leej faj rau I≤0.05% kom tiv thaiv brittleness. Tsis muaj qhov muaj txiaj ntsig zoo ntxiv ntxiv, ua kom lawv pheej yig. Cov kab ke sib npaug sib npaug thiab kev ua haujlwm-A36 rau lub zog, S235JR rau kev ua kom haum lawv cov kev xav tau kev lag luam hauv cheeb tsam.
Lus nug: Cov qib twg muaj tus nqi zoo dua rau nyiaj, thiab vim li cas?
Teb: S235JR yog feem ntau pheej yig dua hauv Tebchaws Europe vim muaj kev tsim khoom hauv ib cheeb tsam, thaum A36 muaj nqi ntau dua li hauv North America. Thoob ntiaj teb, lawv cov nqi zoo sib xws rau qhov sib npaug. A36 muaj lub zog zoo dua ib qho nyiaj, ua rau nws tus nqi rau nruab nrab- load tej yaam num. S235jr muab cov qauv zoo dua rau tus nqi, zoo tagnrho rau cov phiaj xwm yuav tsum tau khoov. Rau lub teeb ntim, ob qho tib yam kev sib piv cov nqi-}} Xaiv yog nyob ntawm cov cheeb tsam muaj thiab cov qauv kev xav tau ntau dua li nqi ib leeg.
Lus nug: Tau A36 thiab S235JR Anggle Cov Nqis Tau Siv Sib Hloov Sib Txuas?
Teb: Yog, rau lub teeb - - nruab nrog cov thav duab nruab nrab, ua lawv cov khoom siv kho kom zoo sib xws. A36 tuaj yeem hloov S235JR rau me ntsis hnyav loads, thaum s235jr ua haujlwm nyob rau hauv qhov chaw ntawm A36 rau cov phiaj xwm xav tau ntau dua cov kev tsim nyog. Txawm li cas los xij, txoj haujlwm specifications yuav yuam ib tus qauv (ASTM rau peb, en rau EU). Vuam sib xyaw ua tau zoo heev - Lawv tuaj yeem koom nrog cov khoom qub hluav taws xob. Yuav tsum tau sab laj cov kws ua haujlwm ua haujlwm ua ntej hloov chaw los ua kev cai ua raws cai.
Teeb 3: Cov ntawv thov los ntawm hom (sib npaug ntawm ib sib npaug)
Lus nug: Cov ntawv thov siv A36 thiab S235JR sib npaug lub kaum tog?
Teb: Cov khoom sib luag yog siv rau cov qauv zoo li: A36 rau peb cov tub rog lub ru tsev, thiab kev tiv thaiv kev loj; S235JR rau EU kev ua lag luam shelving, tesrails, thiab pob zeb ua ntawv formwork. Ob qho zoo tagnrho rau lub Hoobkas tshuab platform thiab Agricultural tsev cog khoom. Lawv cov khoom sib txuam sib txawv ua rau pom kev vuam, ua rau lawv nrov rau cov phiaj xwm DIY. Cov khoom sib npaug sib luag Rau kev ntsuas phoo ntsuas cua - cov kabmob, lawv yog thawj qhov kev xaiv.
Lus nug: Thaum twg tsis sib xws A36 / S235JR Anggle Cov Nqis Zoo Tshaj Ntau Tshaj Plaws?
Teb: Unequal Excel ntawm Asymmetric loads: A36 rau Asmeskas chav so ru tsev thiab nqaj-}} kev sib txuas; S235JR rau EU nkoj shrbuilding hull ntas thiab conveyor txhawb nqa. Lawv tau siv rau cov tshuab thav duab uas txuas nrog ib lub hauv paus thiab lwm yam kev txhawb nqa ib qho kev sib xyaw ua ke. Cov kab tsis sib xws ua kom zoo cov khoom siv hauv cov chaw nruj, xws li cov phiaj hlau rau phab ntsa. Lawv kuj tsim cov ntas thav ntawv thiab muaj crane booms, qhov twg lub hom phiaj tsom mus rau lub zog. Rau kev ntxhov siab tsis muaj kev ntxhov siab, lawv outperform cov khoom sib npaug.
Lus nug: Cov kev siv muaj kev lag luam cia siab rau A36 lub kaum ntse ntse pob?
Teb: A36 yog siv rau peb muaj tshuab siv cov tshuab hluav taws xob (proses, conveyors) thiab hnyav {{Deatert cia racks. Nws tsim cov roj pob zeb Rig Platforms thiab cov raj xa dej txhawb, ua tsaug rau nws 250 mpa kom muaj zog. A36 Cov kab tsis sib xws ua rau cov tsheb chassis nkhaus thiab cov khoom siv mining txhawb nqa. Nws tseem siv rau cov pob zeb uas txhawb nqa rab phom rau cov choj thiab cov pas dej TAM SIM. Nws weldability thiab muaj peev xwm ua nws ib tug staple rau Asmeskas kev tsim khoom thiab kev tsim kho.
Lus nug: S235JR Lub Qub Muag Cov Nqes Siv Hauv European Kev Tsim Kho?
Teb: S235JR cov tuav cov khoom sib luag tsim EU nyob ntawm lub ru tsev trusses thiab lawj. Cov kab tsis sib xws tau siv rau kev lag luam lub tsev ntaub hlau hluav taws phab ntsa thiab nce lub vov tsev txhawb nqa. Nws yog qhov zoo tshaj plaws rau Prefabricated tus vaj tse hlau thiab kev loj nrov nrov. S235JR kuj ua cov ciav hlau txhawb nqa thiab cov dej kho cog cov yeeb nkab cov pa yeeb nkab. Nws ua raws nrog cov qauv enenshabics kom nws ua tau raws EU cov cai hauv tsev, ua rau nws xaiv sab saum toj rau cov neeg ua haujlwm sab saum toj.
Lus nug: Cov pob zeb no tuaj yeem siv rau kev siv sab nraum zoov thiab marine?
Teb: Yog, nrog corrosion tiv thaiv. Kub {- dip galvanizing muab A36 / S235JR 20 {{{{{}} 30 xyoo kev pabcuam sab nraud. Lawv tau siv rau sab nraum zoov Shelving, laj kab vaj teb, thiab marine dock pilings. Rau cov ntug hiav txwv, lub duplex txheej (galvanizing + epoxy) tiv taus sewaterwater. Yog tsis muaj kev tiv thaiv, lawv xeb sai sai hauv cov puag ncig huab cua. A36 / S235JR yog tus nqi-}}}}}}}}}}}}} Zoo rau cov haujlwm sab nraum zoov thaum Coated kim tus hlau rau cov mob tsis yog huab.
Teeb 4: Fabrication & Kev Ua Haujlwm
Lus nug: Dab tsi vuam txoj kev ua haujlwm zoo tshaj plaws rau A36 thiab S235JR Anggle cov khoom?
Teb: Ob lub Weld zoo nrog Smaw (stick, E6013 Electrodes), GMAW (FCAW (Flux {{cored). Tsis muaj preheating yog xav tau rau thicknesses ≤10mm; Preheat rau 50-100 ° C rau ≥12mm lossis huab cua txias. Huv huv rust / Roj los ntawm weld cheeb tsam kom tsis txhob muaj porosity. Welded pob qij txha sib phim lub hauv paus hlau lub zog, ua rau lawv haum rau kev siv cov txheej txheem. Rau cov pob qij txha tseem ceeb, siv cov hluav taws xob tsawg-hydrogen) (E7018) txhawm rau tiv thaiv kev tawg. Ob txoj hauv kev zam txim rau cov neeg tau txais txiaj ntsig zoo, txo cov ntaub ntawv fabricication fab.
Lus nug: Yuav ua li cas txiav thiab khoov A36 / s235JR Anglle cov txiaj ntsig zoo?
Teb: Txiav nrog plasma cutters (huv sawv ntsug) lossis abrasive saws (ceev rau cov kab). Shearing ua haujlwm rau cov ntu nyias (≤6mm). Khoov txias nrog ib qho xovxwm nres- A36 khoov rau 1.5 × tuab tuab (zoo formability). Rau nruj nreem, preheat rau 200-300 ° C kom tsis txhob tawg. Siv tus khoov rau JIG kom ntseeg tau cov ces kaum. Dabtsi yog khoov khoov rau cov muaj zog, thaum kub dended tej zaum yuav mos muag muag cov hlau. Ob qeb kov txiav / dabtsi yog yam tsis muaj cov khoom siv tshwj xeeb, txo qis cov nqi fab.
Lus nug: Cov kev kho cov kev kho kom zoo li cas rau cov ces kaum?
Teb: Kub {- dip galvanizing yog qhov zoo tshaj plaws rau kev siv sab nraum zoov, thov cov txheej zinc uas tiv taus xeb. Painting (Primer + Topcoat) yog tus nqi-}} Siv tau zoo rau sab hauv / sab nraum zoov. Hmoov txheej muaj ib tug defable, decorative tiav rau pom seem (piv txwv li, tes tuav). Zinc - Cov xim pleev xim nplua nuj kov cov tsiaj ntawv lossis thaj chaw puas. Rau kev siv marine, epoxy txheej hla galvanizing muab kev tiv thaiv ntxiv. S235JR's smoother nto (EU ntau lawm) yuav xav tau kev npaj rau kev pleev xim tshaj A36.
Lus nug: Yuav ua li cas tho qhov nyob rau hauv A36 / S235JR Anggle cov khoom tsis muaj kev puas tsuaj?
Teb: Siv hss lossis cobalt tho ntse - cobalt rau cov ntu thicker (≥10mm). Cim lub qhov nrog ib qho chaw puag ncig txhawm rau tiv thaiv kom tsis txhob muaj teeb meem. Clamp lub bar zoo kom tsis txhob muaj kev vibration. Siv cov kua txiav kom txias me ntsis thiab txo kev sib txhuam. Laum ntawm 300-500 rpm rau hss cov khoom me; qeeb qeeb rau tuab hlau. Rau cov qhov loj (≥12mm), tho ib lub qhov tsav me me ua ntej. Ob leeg dav tau yooj yim, tab sis A36's me ntsis cov pa roj carbon ntau yuav xav tau cov khoom sib tw dua S235JR.
Lus nug: Dab tsi cov kev ua yuam kev fab fab ib txwm yuav tsum tau zam?
Teb: Zam kev kub ntxhov thaum lub sijhawm vuam, uas tsis muaj zog ntawm cov cua sov -}} cuam tshuam cheeb tsam. Tsis txhob Hla Preheating rau cov nplooj tuab, raws li nws ua rau tawg. Tsis txhob khoov tsis muaj clamping, coj mus rau cov ces kaum sib txawv. Zam txhob siv cov ntaub qhwv tsis zoo, uas tsim qhov ntxhib thiab kev puas tsuaj rau bar. Tsis txhob tsis quav ntsej kev npaj ua ntej tha xim / galvanizing - cov tsis zoo adhesion ua rau muaj xeb ua ntej. Rau cov khoom tsis sib xws, tsis txhob tso cov ntsaws rau ntawm tus luv ceg yog tias tsim rau qhov ntev dua, ua rau tsis ua haujlwm.
Teeb 5: Kev Ua Yeeb Yam & Cov Lus Qhia Tseg Cia
Lus nug: Dab tsi yuav tsum tau xav txog cov neeg yuav khoom thaum yuav A36 / S235JR Anggle cov khoom?
Teb: Txheeb xyuas qib rau cov qauv (ASTM rau A36, en rau S235JR) raws li qhov chaw ua haujlwm. Xaiv sib npaug / sib npaug raws li kev thauj khoom symmetry. Thov Daim Ntawv Ua Haujlwm Xeem Ntawv (MTC) kom kuaj xyuas cov khoom. Tshawb xyuas qhov ntev (ceg ntev, tuab) nrog calipers kom tsis txhob muaj teeb meem. Soj ntsuam lub koob npe nrov nrov -}} Xaiv ISO 9001-ntawv pov thawj cov tuam txhab. Rau kev txiav txim thoob ntiaj teb, pom zoo kev ua raws cai (piv txwv li, CE rau S235jr hauv EU).
Lus nug: Dab tsi yog cov moq raug thiab txhuas lub sijhawm rau cov nkauj no?
Teb: MOQ yog 1 {-}} tons rau cov qauv ob; 5 {-} 10 tons rau kev cai. Lub sijhawm txhuas yog 3-7 hnub rau hauv-Tshuag, 10-15 hnub rau kev cai. A36 cov sij hawm txhuas yog luv dua hauv North America, S235JR hauv Tebchaws Europe. Kev txiav txim ntau (≥50 tons) tau txais 5-10% cov nyiaj cheb thiab ntau lawm. Cov neeg yuav khoom me tuaj yeem yog los ntawm cov neeg xa khoom tsis muaj MOQ, tab sis them nyiaj qib siab dua ib-chav nqi. Cov caij nyoog tsim kho siab tshaj 2-3 hnub rau cov sij hawm ua.
Lus nug: Yuav ua li cas khaws A36 / S235JR Anggle cov pob los tiv thaiv xeb thiab puas tsuaj?
Teb: Store in a dry, ventilated warehouse. Stack on wooden pallets (15cm above ground) to avoid damp floors. Separate equal/unequal and grades with labels. Cover with waterproof tarpaulins if outdoor. Apply anti-rust oil for long-term storage (≥3 months). Avoid stacking >2m High to tiv thaiv dabtsi yog khoov. Tshawb xyuas txhua hli rau xeb -} tshem tawm nrog xaim txhuam thiab siv roj. S235JR cov npoo smoother tej zaum yuav tiv thaiv cov dej noo me me zoo dua li A36.
Lus nug: Cov kev xaiv thauj khoom twg yog muaj rau cov nkauj no?
Teb: Nyeg: flatbed truck (A36 hauv Asmeskas, S235JR hauv EU) rau ntau; courier rau cov xaj xaj me me. Thoob Ntiaj Teb: Hiav Txwv Feight (Tus nqi-}}} ≥00 siv rau ≥30 tons) lossis cua thauj khoom (ceev, kim). Qhov rooj - rau - Lub qhov rooj xa khoom yooj yooj yim Logistics tab sis ntxiv tus nqi ntxiv. Chaw nres nkoj {- rau -} chaw nres nkoj yog pheej yig dua rau cov neeg yuav khoom. Cov khoom siv uas feem ntau koom nrog cov khoom thauj khoom xa mus rau cov kev lis kev cai. Rau cov pob zeb tsis sib xws, kom cov ntim tau los ntawm kev tiv thaiv ntev dua los ntawm khoov thaum lub sijhawm hla.
Lus nug: Yuav ua li cas txheeb xyuas qhov zoo ntawm A36 / S235JR Anggle cov khoom thaum xa tuaj?
Teb: Kos rau MTC tiv thaiv cov ntawv xaj (qib, qhov ntev, cov khoom). Visually soj ntsuam rau saum npoo degrom (nrib pleb, xeb, tsis sib ceg). Ntsuas cov ceg ntev, tuab, thiab kev ncaj qha (≤3mm / m). Ua ib qho kev xeem qiv ntawm ib qho piv txwv (180 ° tsis tawg). Rau cov phiaj xwm tseem ceeb, xa cov qauv rau ib sim rau qhov kev kuaj mob Tensile. Paub meej tias lub Bar's cim (qib, txheem, zeb) phim MTC. Recress bars nrog ploj mtc lossis tsis -} ua raws qhov ntev.
