Q355B cov khoom yog ib qho qis- alloy siab- lub zog cov qauv hlau, qhov "Q" txhais tau tias muaj zog yield, 355 txhais tau hais tias lub zog tawm los ntawm cov hlau no yog 355MPa, thiab nws cov txiaj ntsig tawm los yuav txo qis raws li qhov tuab ntawm cov khoom nce. Q355B steel phaj yog dav siv nyob rau hauv choj, tsheb, nkoj, tsev, siab hlab ntsha, khoom tshwj xeeb, thiab lwm yam.
Tshuaj muaj pes tsawg leeg (%) ntawm Q355B steel
| Khoom siv | C max. | Si max. | Mn max. | P max. | S max. | Cr max. | Nim max. | Cu max. | N max. |
| Q355B | 0.20 | 0.55 | 1.60 | 0.030 | 0.030 | 0.30 | 0.30 | 0.40 | 0.012 |
Q355B cov ntaub ntawv kho cua sov
Cov txheej txheem kev kho cua sov tuaj yeem txhim kho lub cev ntawm cov hlau, txhim kho lub zog compressive, ductility thiab kev pabcuam lub neej ntawm cov khoom, thiab txhim kho hardness thiab hnav tsis kam. Yog li ntawd, cov khoom siv tseem ceeb thiab cov cuab yeej tshwj xeeb yuav tsum tau quenched thiab tempered. Kev kho quenching thiab tempering tuaj yeem txhim kho kev tsim khoom thiab kev ua haujlwm ntawm cov khoom ua haujlwm, yog li txhim kho kev tsim khoom thiab kev ua haujlwm zoo. Yog li ntawd, Q355B steel quenching thiab tempering kho plays lub luag haujlwm tseem ceeb hauv kev tsim cov tshuab thiab khoom tsim kev lag luam.
Peb lub tuam txhab muab ib qho -Stop service, Yog tias koj muaj kev xav tau thov hu rau peb.
GNEE yuav pab koj nrhiav cov khoom lag luam thiab cov kev pabcuam txaus siab tshaj plaws.
Cim npe nrov: GB / T1591 Q355B steel phaj nrog zoo Toughness, Tuam Tshoj GB / T1591 Q355B steel phaj nrog zoo heev Toughness manufacturers, lwm tus neeg, Hoobkas
