Cov Ntsiab Lus Tseem Ceeb
1. Cov Qauv Qauv & Cov qhab nia sib npaug
| Lub hom phiaj | Xws li qib | Cheeb tsam |
|---|---|---|
| DIN 17100 | WST 37-2 | Lub teb chaws Yelemees (laus) |
| EN 10025-2 | S235jr | Yu Laus teb |
| ASTM | A36 | Usa |
| JIS | Tuss400 | Nyiaj txiag |
| GB / T | Q235B | Phiaj suav |
2. Tshuaj lom neeg sib xyaw (Max%)
| C | Si | Mn | P | S |
|---|---|---|---|---|
| 0.17 | 0.35 | 1.40 | 0.045 | 0.045 |
Cov ntsiab lus muaj roj carbon tsawg: Kom ntseeg tau zoo heev Veldability.
Tsis muaj alloying ntsiab: Kev lag luam tab sis tsis muaj kev tiv thaiv corrosion (tsis yog cov huab cua hlau).
3. Cov Khoom Siv Kho Tshuab
| Ntiag tug | Tus nqi | Kuaj Tus Qauv |
|---|---|---|
| Paib lub zog (rov qab) | Ntau dua los yog sib npaug rau 235 MPa (min) | En iso 6892-1 |
| Lub zog tensile (RM) | 360-510 MPa | En iso 6892-1 |
| Elongation (A₅) | Ntau dua los yog sib npaug rau 26% (tuab tsawg dua lossis sib npaug rau 16 hli) | En iso 6892-1 |
| Kev Cuam Tshuam | Ntau dua los yog sib npaug rau 27 h ntawm +20℃(yeem) | En iso 148-1 |
4. Kev xa tawm
Kub-rolled (hr), li qub (n), lossis raws li-dov.
Nplaim: Zeb nplai (tuaj yeem tua-blasted lossis pleev xim).
Cov Kev Siv Raug Raug
Kev tsim kho dav dav (kab teeb, kab, nkhaus).
Cov cuab yeej siv tshuab thiab cov khoom siv ua liaj ua teb.
Tsis yog-tseem ceeb heev cov hlab ntsha thiab tso tsheb hlau luam cia.
Tsis pom zoorau kev xeb ib puag ncig (siv galvanized lossis huab cua hlau hloov).
Sib piv rau cov qhab nia zoo sib xws
| Teem nqi | Yield zog (mpa) | Corrosion Kuj | Tus nqi |
|---|---|---|---|
| WST 37-2 | 235+ | Tsawg (carbon hlau) | Qi |
| S355jr | 355+ | Qi | Nruab nrab |
| A588 | 345+ | Siab (huab cua) | Siab |
