Q235 Khoom siv Weld yeeb nkab
Lub npe dav dav ntawm cov qib steel yog q195, q215, q235, q255, q275, thiab lwm yam. Cov qib steel muaj cov ntawv (q) qhia cov ntsiab lus tawm los, qhov taw qhia tus nqi, qhov zoo, cov cim zoo a, b, c , thiab d, thiab yog sawv cev los ntawm plaub-theem deoxidation txheej txheem cim. Los ntawm qhov kev xav ntawm kev sib xyaw ua ke, cov qib qis-carbon steel qib q195, q215, q235, q255, thiab q275 muaj cov ntsiab lus carbon loj, cov ntsiab lus siab manganese, thiab yooj yim. Los ntawm qhov kev xav ntawm cov ntsuas kev ua tau zoo, cov qib steel nrog cov ntsiab lus tawm los tsawg dua lossis sib npaug li 16 hli feem ntau yog cov qib steel nrog cov ntsiab lus tawm los tsawg dua lossis sib npaug li 16 hli. Lub zog flexural yog 315 (obn / mm2); qhov elongation yog (0.5). Cov khoom siv muaj cov khoom tshwj xeeb xws li kev ua haujlwm siab, lub zog thiab vuam kev ua tau zoo, thiab cov khoom tensile zoo nyob rau hauv siab, tab sis kev kho deg yuav tsum tau siv zoo kawg nkaus hauv kev xyaum. Tau kawg, niaj hnub kho tshuab tuaj yeem txhim kho qhov tshwj xeeb geology thiab tsis xis nyob, txhim kho lub zog ua haujlwm zoo, thiab txhim kho kev tsim khoom thiab kev tsim khoom zoo.
Q195 qib, qis carbon cov ntsiab lus, tsis muaj zog, zoo ductility, lub zog, kev ua tau zoo thiab weldability. Haum rau mobile thiab linear rods. Cold-dov, kub dov steel kav thiab lawv cov galvanized, galvanized, yas composite nyias steel daim hlau yog tsuas yog siv nyob rau hauv lub ru tsev, pipelines, leads, ntim, tso tsheb hlau luam, ntsuas lub thawv, tis thawv, fuses, tsheb ciav hlau carriages, thiab lwm yam. hlau rods yog feem ntau los yog them tsawg-carbon steel hlau, ua los ntawm cov nqi qis-carbon steel hlau, siv rau kho, los yog raws li taag. strain steel mesh, xws li bolts. Q215 thiab Q195 raug ntsuas raws li cov hlau zoo, thiab lawv cov kev siv yog tib yam li Q195. Tsis tas li ntawd, muaj ntau cov welded steel kav, cov kav dej galvanized, lub rhaub dej kub, cov ntsia hlau hauv qab, fasteners, ntsia hlau, ntoo screws, xuas nrig ntaus hlau shafts thiab lwm yam hlau kav.
| Qib | C% | Si (Less than los sib npaug) | Mn% | P (Less tshaj los yog sib npaug) | S% (tsawg dua lossis sib npaug) |
| Q195 | 0.06-0.12 | 0.3 | 0.2-0.5 | 0.05 | 0.045 |
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