Q: Dab tsi yog qhov sib txawv ntawm S235JR, thiab S25JR Anggle cov khoom nyob hauv lawv cov paib muaj zog, uas ncaj qha} Cov kabmob muaj peev xwm ua haujlwm ua tsev. S235JR muaj qhov tsawg tshaj plaws tau tawm los lub zog ntawm 235 MPa, ua rau nws haum rau lub teeb {{{look {} {}} bearing partitions. S275JR nce qib nrog qhov tsawg kawg nkaus lub zog ntawm 275 MPa, zoo tagnrho rau nruab nrab {16} jots jailists, lossis chav nres tsheb me. S3555jr muaj lub zog siab tshaj plaws ntawm lub zog ntawm 355 MPa, tsim rau cov txheej txheem hnyav xws li high {21} {cov kabmob ntsuav. Tshaj dhau lub zog, lawv cov tshuaj lom neeg sib txawv sib txawv me ntsis-} s355jr muaj lub zog me me (thaum S235JR yog cov tawv nqaij tawv tawv hlau nrog cov qauv yooj yim. Cov kev ua kom muaj zog no tau cuam tshuam rau tus nqi: S355jr yog kim dua S275JR, uas nyob rau hauv cov nqi lem ntau dua S235JR. Xaiv ib qho yog nyob ntawm koj lub tsev cov khoom ntim yuav tsum tau siv S235JR kom txuag tau tus nqi xav tau S355JR rau kev nyab xeeb.
Q: Vim li cas "tseem ceeb rau Galvanized lub kaum sab xis bar steel? A:" yog qhov tseem ceeb rau lub tsev sib npaug, uas yog qhov ruaj khov, load faib, thiab yooj yim ntawm kev teeb tsa. Cov ceg sib npaug (piv txwv li, 50xm, 75x75mm) ua kom lub kaum ntse ntse sib tshooj los ntawm kev kub ntxhov uas yuav ua rau muaj kev puas yog khoov lossis teeb meem tsis ua haujlwm. Piv txwv li, thaum siv los ua lub vov tsev lossis tsev vov tsev (zoo li ib qho chaw nyob sib npaug) Sib npaug sib luag Cov ceg me tseem piv txwv tsim thiab ntsuas} tus tswv tsev tsis tas yuav tsum xam lossis ceev nrawm rau {{} xaib. Tsis tas li ntawd, cov pob muaj sib luag yog ntau dua ntau yam; Lawv tuaj yeem siv rau hauv cov qauv zoo (zoo li xwmfab xwm txheej xwm txheej lossis cov voos voos kev sib tw) qhov chaw nyob rau qhov chaw nyob ib qho ntev yog qhov tsim nyog. Yog tias koj siv "lub suab sib txawv" (sib txawv ceg ntev) hauv cov kev ntxhov siab symmetric, koj yuav tsum kho cov chaw muaj kev ntxhov siab, uas ntxiv cov nyom thiab kev pheej hmoo. Rau feem ntau cov txheej txheem txheej txheem ua haujlwm, muaj sib npaug galvanized lub kaum sab xis ntawm cov pob zeb yog qhov mus-}}}}}} los xaiv kev cia siab thiab yooj yim.
Q: Iso ntawv pov thawj txhais tau li cas rau cov ceg me no? A: Iso ntawv pov thawj rau S235jr, S275JR, thiab cov qauv kev nyab xeeb tsim los ntawm cov koom haum thoob ntiaj teb rau kev hloov kho (ISO). Ua ntej, ISO cov ntawv pov thawj ua kom muaj kev tsim cov txheej txheem ua raws cov khoom siv ua raws cov khoom siv tsis xws luag thiab ua kom muaj kev cuam tshuam rau cov khoom tsis xws luag thiab ua kom txhua yam ntawm lub kaum sab xis ntawm cov pob zeb ua tib yam. Rau cov phiaj xwm ua tsev, qhov no muaj qhov tseem ceeb xws li sib txawv lossis tuab rau ntau daim, uas tuaj yeem ua rau cov qauv. Thib ob, cov ntawv pov thawj ISO suav nrog kev sim nruj rau cov khoom tseem ceeb rau cov khoom tseem ceeb, corrosion tsis kam (los ntawm galvanization), thiab qhov tseeb ntawm galvanization. Qhov no txhais tau tias lub kaum ntse ntse yuav tau ntsib cov lus thov (piv txwv li, S355jr lub zog) thiab tiv taus lub tsev xav tau zoo li hnyav, huab cua, thiab hnav. Thib peb, Iso daim ntawv pov thawj tau raug lees paub rau thaj tsam li cas, yog li koj cov phiaj xwm lub suab sib txawv yuav ua tiav, zam rau kev soj ntsuam lossis kev pom zoo. Thaum kawg, iso {- Cov khoom lag luam feem ntau tuaj nrog kev ua lub kaum, uas yog qhov muaj txiaj ntsig zoo rau kev kuaj xyuas lossis tiv thaiv tau zoo. Hauv ntej, ISO cov ntawv pov thawj ua rau koj muaj kev ntseeg siab tias lub kaum sab xis tuav tau ntseeg tau, muaj kev nyab xeeb, thiab haum rau kev siv lub tsev.
Q: Ntev npaum li cas ntawm Galvanization kav ntev ntawm cov tuav tuav ntawm S235jr Hauv cov huab cua qhuav, qhuav (zoo li thaj chaw thaj chaw thaj chaw), qhov zinc me ntsis tuaj yeem ntev txog 30 xyoo vim tias tsis muaj noo noo, ntsev, lossis cov kuab paug rau corrode nws. Nyob rau hauv cov chaw phem ib puag ncig- xws li thaj chaw dej hiav txwv)}} Lub teb chaws galvanization) los yog nrog ntsev thiab tshuaj lom neeg ceev nce zinc corrosion. Lub thickness ntawm zinc txheej tseem ceeb toom teeb meem: Peb txoj kev siv lub kaum-{17}}} galvanization, yog li nws tiv taus corrosion ntev dua. Kev txhim kho kom zoo nyob kuj txuas ntxiv rau lub neej: yog tias lub kaum sab xis tuav nrog tsis yog {19} Corrosive Bolts), ntawm kev ntxiv cov dej ntws tawm), galvanization yuav tsis chim sai sai. Txawm tias thaum zinc txheej pib hnav, nws tsis xeb tam sim ntawd} Rau cov tsev vaj tse, lub neej ntev npaum li cas txhais tau tias koj yuav tsis tau hloov lossis rov ua lub kaum sab xis sib npaug, txo cov nqi kho tus nqi ntau dua li tus qauv lub neej.
Q: Tau S275jr sib npaug Galvanized lub kaum sab xis sib npaug txhawb nqa, raws li lawv muaj lub zog zoo, xeb tsis kam, thiab kev ua haujlwm rau daim ntawv thov no. S275JR Qhov tsawg kawg los lub zog ntawm 275 MPA yog ntau dua li txaus los lis cov chaw nyob hauv av (ntoo, cov rooj tog zaum) rooj tog, thiab tib neeg. Thaum siv los ua cov khoom siv hauv pem teb (piv txwv li, cov hlua loos Gangers, hla kev sib txuas, ua kom tsis txhob muab faib tawm hauv cov qauv hauv pem teb, tiv thaiv sagging lossis tsis sib xws. Lub galvanization ntxiv corrosion tiv taus, uas yog qhov tseem ceeb rau kev txhawb nqa hauv pem teb uas lawv tau ua haujlwm ntau zaus, thiab galvanization nres xeb los ntawm kev tsis muaj zog ntawm cov kab uas tsis muaj zog. S275JR kuj yooj yim rau kev txiav thiab tho, yog li cov neeg tsim khoom tuaj yeem kho lub kaum sab xis (piv txwv li cov chaw nyob ntawm joists) rau {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16} {16}-. Nws yog ib qho tseem ceeb rau khub lub kaum ntse ntse tuav nrog cov fasteners tsim nyog (galvanized screws lossis bolts) kom tswj hwm corrosion tsis kam thiab cov qauv txheej txheem kev ntseeg. Rau feem ntau cov plag tsev hauv qab (piv txwv li, ib qho- cov dab neeg tsim khoom), yog li nws tuaj yeem siv zog dua s355jr (uas yog overkill rau feem ntau cov kev xav tau ntawm kev xav tau). Ntev npaum li cov kev txhawb nqa yog qhov loj me (piv txwv li, 75x75xm rau tus qauv Joist Hangers) yuav ua rau cov plag tsev koom ua ke yuav ua rau cov plag tsev sib luag yuav ua rau cov plag tsev nyob ruaj khov thiab muaj kev nyab xeeb.
Pawg 2
Q: yog S355jr sib npaug Galvanized lub kaum sab xis ntawm cov pob zeb patio li cas, tab sis nws nyob ntawm koj cov ntawv me me, thauj khoom, thiab ntev} cov phiaj xwm phiaj xwm. Cov ntaub pua me me me me (piv txwv li, txhawb nqa lub ru tsev me me zoo li txhuas lossis polycarbonate) feem ntau tsis xav tau S355JR lub siab 355 MPa paib muaj zog. S235JR yuav yog S275JR yuav yog qhov txaus, vim tias lawv tuaj yeem siv lub qhov hnyav npog yam tsis muaj nqi ntxiv ntawm S355jR. Siv S3555jr ntawm no yuav txhais tau tias them ntau dua rau lub zog koj yuav tsis siv, uas tsis raug nqi - muaj zog. Txawm li cas los xij, yog tias koj daim duab me me patio tau muaj ntxiv cov khoom siv dag thaum lub caij ntuj no (zoo li chav ua noj qab zib, lossis txawm tias ib qho kev xaiv sab nraum zoov)}} s355jr yuav yog qhov kev xaiv ncaj qha. Nws lub zog siab dua muab rau koj kev nyab xeeb rau cov qhov hnyav ntxiv no. Lub galvanization tseem muaj txiaj ntsig zoo rau lub ntsej muag patio (nws sab nraum zoov, yog li cov muaj zog tiv thaiv), tab sis lub zog yog qhov tseem ceeb rau "overkill." Yog tias koj nyob ntawm ib qho peev nyiaj nruj thiab npog yog yooj yim, mus nrog s235jr lossis s275jr. Yog tias koj xav tau kev hloov pauv ntev dua lossis yav tom ntej hloov tau, s355jr ua haujlwm - Tab sis nws tsis tsim nyog tsim nyog rau ib qho yooj yim patio npog.
Q: Kuv yuav kuaj li cas yog hais tias lub malvanized lub kaum sab xis ntawm lub kaum sab xis? A: Kev tshuaj xyuas yog tias koj muaj nyob rau hauv ob peb kauj ruam yooj yim. Ua ntej, nug tus neeg xa khoom rau covISO cov ntawv pov thawjntawm cov khoom lag luam batch. Cov neeg xa khoom tau (zoo li peb) yuav muab daim ntawv pov thawj ISO uas tau tshaj tawm los ntawm kev lees paub cov ntaub ntawv hauv lub cev (piv txwv li, sgs, tüv). Cov ntaub ntawv no suav nrog cov ntawv pov thawj xws li tus lej ntawv, siv tau, thiab feem ntau ISO tus qauv (feem ntau ISO tus qauv (feem ntau yog cov kev tswj hwm zoo, uas npog cov noob no). Thib ob, txheeb xyuas qhov ntawv pov thawj online- Txoj hauv lawv cov vev xaib uas koj tuaj yeem nkag mus rau hauv cov ntawv pov thawj kom paub meej tias nws siv tau (tsis tau siv sijhawm lossis tshem tawm). Thib peb, xyuas covMill xeem Daim Ntawv Pov Thawj (MTC)uas los nrog koj daim ntawv xaj. Iso {- Daim ntawv pov thawj uas tau lees paub txog ISO Cov Qauv (piv txwv li qhov raug, Zinc Txheej Thickness). Thib plaub, saib rau lub cim lub cev ntawm lub kaum sab xis ntawm cov pob zeb ua lawv tus kheej- Qee cov ntawv pov thawj "lossis cov ntawv pov thawj, tsis tas li no. Thaum kawg, yog tias koj tseem tsis tau paub meej, koj tuaj yeem thov ib lub tuam txhab kev kuaj xyuas lub kaum suab los xyuas ISO cov qauv kev sib ntsib ntawm ISO cov qauv thiab feem ntau tsuas yog xav tau rau cov phiaj xwm loj. Los ntawm ua raws li cov kauj ruam no, koj tuaj yeem lees paub txog lub kaum sab xis ntawm cov pob zeb yog tiag iso {}}}}}}}}}}}}}}}}}}}}} muaj ntawv pov thawj thiab tsim nyog rau koj txoj haujlwm.
Q: Tau S235JR sib npaug Galvanized lub kaum sab xis tuav yuav siv sab nraud ntawm thaj chaw los tiv thaiv lawv los ntawm nag- induced xeb. Nag ib leeg (tsis muaj ntsev lossis tshuaj lom neeg) yog tsawg dua corrosive dua li ntug hiav txwv lossis muaj noo noo, yog li zinc txheej ntawm S235jr yuav tuav tau zoo ntawm no. Qhov kub - dip galvanization tsim kev thaiv ntawm tus hlau thiab nag, tiv thaiv dej kom tsis txhob mus txog ntawm cov hlau hauv qab thiab ua rau xeb. Txawm nyob rau hauv cov cheeb tsam uas muaj nag ntau heev, lub galvanized txheej tuaj yeem nyob rau hauv lub tsev kawm ntawv sab nraum zoov (zoo li kev txhawb nqa txoj cai sab nraum zoov, lossis sab nraum zoov shed thav ntawv). Txhawm rau ua kom muaj zog nyob rau hauv thaj chaw los nag, muaj qee cov kauj ruam ntxiv uas koj tuaj yeem tau ua raws li cov khoom noj me me lossis dej nag tsis muaj ib ncig ntawm cov kab (sawv cov dej ntws nrawm dua li corrosion). Thib ob, siv galvanized lossis zoo li bolts lossis screed lossis steels}}}} Lub kaum pob txha lov, txawm tias cov tuav lawv tus kheej yog galvanized. Thib peb, tshawb xyuas lub kaum ntse ntse txhua xyoo rau kev puas tsuaj rau zinc txheej (zoo li cov khawb av nrog zinc - Cov xim nplua nuj los txiav cov hlau. S235JR lub zog (235 MPa) tseem txaus rau cov dej hiav txwv nyob sab nraum zoov Zuag qhia tag nrho, s235jr sib npaug ntawm lub kaum sab xis sib npaug yog qhov kev xaiv txhim khu kev qha rau kev siv sab nraum zoov hauv cov dej nag.
Q: Qhov ntau thiab tsawg ntawm S275JR sib npaug galvanized lub kaum sab xis uas koj muaj kev sib npaug ntawm lub tsev ntev (ob sab sib npaug ntawm L- duab) thiab tuab. Qhov me tshaj plaws uas peb muab yog 25 x 0.xm}}}}} zoo nkauj rau lub teeb ua haujlwm zoo li lub teeb pom kev phab ntsa me me, lossis txhawb nqa me me inixtures (zoo li cog). Qhov nrov mid - muaj ntau qhov loj yog 50x50x5mm, uas ua haujlwm rau cov ntawv qhia laj kab, patio daim npog txhawb nqa, lossis chav tsev joist hauv tsev. Rau nruab nrab {14 {}} Lub tsev nyob ua haujlwm xav tau (xws li chav nres tsheb sib tw txhawb nqa, lossis cov tsheb ciav hlau loj), peb muaj qhov hnyav ntxiv yam tsis muaj hnyav dua rau nruab. Rau cov haujlwm hnyav ua haujlwm (zoo li cov tsev sib tw loj, ua lag luam œzing kev txhawb nqa, lossis ntau {{}} Cov dab neeg nyob thaj chaw nyob ntau dua li 150x150x15mm. Txhua qhov loj muaj qhov hnyav me me muaj ib me me rau kev pab nrog kev thauj khoom: piv txwv, 50 x /,.12 kg / m. Peb kuj muab qhov ntau thiab tsawg yog koj txoj haujlwm ua haujlwm yuav tsum tau ua rau koj pab pawg, thiab peb tuaj yeem tsim lawv ntev npaum li lawv nyob hauv peb lub peev xwm kev tsim khoom. Thaum xaiv qhov loj me me, pab pawg neeg muaj peev xwm pab tau kom phim rau koj qhov project cov kev thauj khoom yuav tsum muaj kom muaj kev nyab xeeb thiab ua haujlwm.
Q: Ua cov iso - Qhov tseeb ntawm lub tsev ua haujlwm nrog cov qauv S235JR sib npaug nrog cov qauv tsim khoom lag luam Cov qauv ruaj khov zoo li Galvanized steel bolts, cov ntsia hlau, thiab cov tshuab ntxhua khaub ncaws rau cov pob tw (yog tias koj tuaj yeem tho ntawm {15}- Lub galvanization ntawm lub kaum ntse ntse kuj yog ua tau zoo nrog galvanic corrosion: (ib qho tshuaj tiv thaiv kab mob hauv cov av noo), uas yuav ua kom tsis muaj zog ntawm lub sijhawm. Piv txwv li, yog tias koj siv Galvanized lub bar nrog lub galvanized bolt, ob leeg yuav croundode ntawm tib tus nqi qeeb, ua kom muaj kev sib txuas muaj zog. Cov noob no tseem ua haujlwm nrog lwm tus kheej lub tsev ua haujlwm, xws li txuas cov nplaim taws (rau txuas nrog kev sib txuas hlau) thiab cov rivetts (rau kev sib txuas hlau) {20} Lub Luag Haujlwm Kev Siv). Txawm tias cov pob zeb ua pob zeb ua haujlwm (zoo li cov tog hlau tsheb) ua haujlwm yog tias koj txuas lub kaum sab laj kom paub meej lub qhov loj me me hauv lub kaum sab xis. Cov ntawv pov thawj ISO kom paub txog lub kaum sab xis sib npaug, yog li cov qauv nyiaj ceev yuav haum tau zoo dua yog tsis tas yuav muaj kev cai hloov kho. Txawm hais tias koj siv tawm - {26} Tus kab mob lub ntsej muag los ntawm lub zog kho vajtse, cov pob ntseg lub zog no yuav ua haujlwm nrog lawv, txuag koj lub sijhawm thiab zam qhov teeb meem kev sib raug zoo.
Pab pawg 3
Q: yog S3555jr sib npaug galvanized lub hnub zoo rau kev lag luam lub tsev muaj kev lag luam zoo nkauj, thiab ua kom muaj qhov tseem ceeb {2} yuav tsum muaj rau cov qauv kev lag luam. S355jr Qhov Tsawg Los Koob Zog Lub Zog ntawm 355 MPa yog tsim los tuav cov tuam tsev hnyav, uas muaj cov khw muag khoom me me) uas muaj cov khoom siv muag khoom me me, cov cuab yeej hnyav, lossis cov khoom siv hnyav, lossis cov khoom siv hnyav, lossis cov khoom siv hnyav, lossis cov khoom siv hnyav, lossis cov khoom siv hnyav, lossis cov khoom siv hnyav. Raws li kab ntawv, sib npaug l - duab ntawm lub kaum sab xis ntawm qhov hnyav tusyees hla lub hauv paus, tiv thaiv tsis muaj kev ntxhov siab uas tuaj yeem ua rau tsis muaj txheej txheem. Lub galvanization ntxiv cov txheej tiv thaiv zinc, uas yog qhov tseem ceeb rau txhua lub tsev (los ntawm cov av hauv sab hauv S3555jr kuj yog iso-}} Hais daim ntawv pov thawj, yog li koj tuaj yeem ntseeg nws lub zog thiab cov qauv tseem ceeb, kom ntseeg tau cov qauv thiab txhim khu kev qha. Ib qho ntxiv, S355jr yog weldable thiab yooj yim rau txuas rau lwm cov txheej txheem txheej txheem (zoo li cov kab teeb (zoo li cov kab teeb (zoo li cov kab teeb (zoo li cov kab teeb lossis chaw ua haujlwm hauv chaw ua lag luam nrog cov phiaj xwm ceev. Rau cov tsev lag luam ua lag luam, siv S355jr sib npaug ntawm cov ceg me dua txhua yam tseem txo tau ntev} Lub galvanization kav ntev lawm xyoo thiab cov hlau tsis xav tau ntau zaus. Zuag qhia tag nrho, nws yog qhov muaj kev nyab xeeb, nqi- Cov khoom siv tau zoo rau kev ua lag luam sell.
Q: Qhov hnyav npaum li cas ntawm S235JR thiab S355jr sib npaug ntawm S235JR sib npaug ntawm cov khoom ntawm S235JR sib npaug ntawm lawv tus kheej} Rau tib qhov loj me, S235JR thiab S355jR Anggle cov khoom uas hnyav yuav luag zoo ib yam; Tsuas yog qhov sib txawv me me los ntawm S355jr me ntsis cov ntsiab lus ntau dua, tab sis nws yog qhov tsis zoo (tsawg dua 1% ntawm tag nrho qhov hnyav). Piv txwv li, ib 50 x 50MM5mm sib npaug ntawm lub kaum Flash ~ 3.77 kg / m seb nws s235jr lossis s255jr. Lub 100 x 100 hli10mm bar nyhav hnyav ~ 15.12 kg / m rau ob qho tib si. Qhov hnyav tiag tiag yog thaum koj xaiv ntau qhov sib txawv rau cov khoom muaj zog sib txawv: yog tias koj xav tau ib qho kev sib txawv ntawm S235JR bar, uas yuav txo qhov hnyav. For instance, a 75x75x6mm S355jr bar (weighing ~6.91 kg/m) can handle the same load as a 100x100x5mm S235jr bar (weighing ~7.46 kg/m)-here, S355jr is lighter for the same strength.
