S355g 2+ n steel phaj belongs rau sab European high-} wb welded txheej txheem hlau rau tsau cov txheej txheem. "S" txhais tau tias cov qauv hlau, "355" txhais tau tias tsawg zog zog ntawm cov phiaj hlau, thiab G2 muaj feem cuam tshuam nrog tus cwj pwm ntawm tus kheej steel, n yog cov khoom siv coj los ua ib txwm muaj.
S355g 2+ n steel phaj Executive cov qauv: en 10225-2009.
S355g 2+ n steel phaj kub kho cov xwm txheej: nonevized dov, nonomized.
Smelting txheeb xyuas ntawm cov tshuaj sib xyaw ua ke ntawm s355g 2+ n steel phaj:
| C | Si | Mn | P | S | Ni | Cr | Mo | CU | Nb | V | Ti | Rau ALT | N | Ceqmmax |
| Tsawg dua los yog sib npaug rau 0.2 | Tsawg dua los yog sib npaug rau 0.5 | 0.9-1.65 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.03 | Tsawg dua los yog sib npaug rau 0.5 | Tsawg dua los yog sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua los yog sib npaug rau 0.35 | Tsawg dua los yog sib npaug rau 0.06 | Tsawg dua los yog sib npaug rau 0.12 | Tsawg dua los yog sib npaug rau 0.03 | Ntau dua los yog sib npaug rau 0.02 | Tsawg dua los yog sib npaug rau 0.015 | Tsawg dua los yog sib npaug rau 0.43 |
Cov cuab yeej kho tshuab ntawm S355G 2+ n steel phaj:
| Teem nqi | Cov Khoom Siv Neeg Kho Tshuab | |
| S355g 2+ n phaj (tsawg dua los yog sib npaug rau 16 hli) | Reh (Mpa) | Ntau dua los yog sib npaug rau 355 |
| RM (MPA) | 470-630 | |
| A(%) | Ntau dua los yog sib npaug rau 22 | |
| Qhov cuam tshuam kub | -20 | |
| AKV (J) | Ntau dua los yog sib npaug rau 50 | |
| S355G2+N plate (>16-25mm) | Reh (Mpa) | Ntau dua los yog sib npaug rau 345 |
| RM (MPA) | 470-630 | |
| A(%) | Ntau dua los yog sib npaug rau 22 | |
| Qhov cuam tshuam kub | -20 | |
| AKV (J) | Ntau dua los yog sib npaug rau 50 | |
