EN 10025-2 S355J2 Carbon thiab Low-alloy High-strength Steel Phaj
cov khoom siv thev naus laus zis
S355J2 Tsawg alloy siab zog steel phaj Cov lus qhia ntxaws
S355J2 tsis tshua muaj alloy siab zog steel phaj yog cov hlau phaj raws li EN cov qauv, nrog lub zog siab thiab tawv, haum rau kev tsim ntau yam khoom siv, engineering, mining khoom thiab lwm yam khoom siv.
Zoo ib yam nrog rau lwm cov ntaub ntawv ntawm tib series S355J0, S355JR.
Lwm lub npe: EN10025-2 S355JR Carbon Steel phaj, EN10025-2 S355JR Cov Qauv Hlau Phaj, EN10025-2 S355JR Carbon Structural Steel Phaj, EN10025-2 S355JR High Strength Structural Steel Phaj.
Qhov tsis zoo ntawm S355J2 qis alloy siab zog steel phaj yog raws li nram no: Lub ntsiab tsis zoo ntawm S355J2 tsawg alloy siab zog steel phaj yog raws li nram no
1. Tshuaj muaj pes tsawg leeg: Carbon (C) cov ntsiab lus 0.22%, silicon (Si) cov ntsiab lus 0.55%, manganese (Mn) cov ntsiab lus 1.60%, phosphorus (P) cov ntsiab lus 0. molybdenum (Mo) cov ntsiab lus 0.10%;
2. Mechanical zog: tensile zog ntawm 450-680MPa, yield zog ntawm 355MPa, elongation ntawm 22%;
3. Nta: Nrog zoo vuam kev ua tau zoo thiab hnav tsis kam, haum rau kev tsim ntau yam khoom siv, engineering, mining khoom thiab lwm yam khoom siv.
EN 10025-2 S355J2 Carbon thiab Low-alloy High-strength Steel Phaj Daim ntawv thov thiab kev xa khoom
S355J2 tsis tshua muaj alloy siab zog steel phaj yog dav siv nyob rau hauv kev tsim ntawm ntau yam mechanical, engineering, mining khoom thiab lwm yam structural qhov chaw, xws li cov hlab ntsha siab, boilers, cia tso tsheb hlau luam, pipelines, choj, tsev thiab li ntawm. Nws lub zog siab thiab zoo heev toughness xyuas kom meej tias cov khoom siv no muaj kev nyab xeeb siab thaum siv.
Kev xa khoom ntawm S355J2 qis alloy siab zog steel phaj feem ntau suav nrog kub dov, tswj dov, normalizing lossis normalizing thiab tempering. Ntawm lawv, qhov saum npoo ntawm cov hlau phaj nyob rau hauv kub dov lub xeev yog ntxhib, uas yuav tsum tau ua raws li cov txheej txheem, thiab cov nto ntawm steel phaj nyob rau hauv lub normalizing los yog normalizing thiab tempering lub xeev yog tus du, thiab tuaj yeem siv ncaj qha los tsim. ntau yam steel qauv qhov chaw. Tsis tas li ntawd, raws li qhov xav tau ntawm cov neeg siv khoom, nws tseem tuaj yeem txiav, sawing, khoov, xuas nrig ntaus, txau thiab lwm yam kev ua kom tau raws li qhov xav tau sib txawv.
