1. Tub ntxhais sib piv cov ntaub ntawv sib piv cov lus
| Lub hom phiaj | Teem nqi | TSEEM sib piv cov txheej txheem |
|---|---|---|
| Tus kab laug gb | Q235C | Paib lub zog ntau dua los yog sib npaug, cov ntsiab lus carbon tsawg dua los yog sib npaug rau 0.17%, cov ncauj lus faj sulfur tsawg dua los yog sib npaug rau 0.035% |
| ASTM | ASTM A36 | Cov qauv tsis-alloy qauv hlau, tawm los ntawm lub zog ntau dua lossis muaj sib npaug nrog 250MPA, Weldility sib xws |
| En | St37-3k | Ob qho tib si yog cov roj av tsawg welded qauv hlau nrog cov khoom siv zoo sib xws |
2. Tshuaj lom neeg sib xyaw ua ke thiab kev ua tau zoo sib txawv
| Nta | S235jrh (en10219) | Q235C (GB / T) |
|---|---|---|
| C | Tsawg dua los yog sib npaug rau 0.17% | Tsawg dua los yog sib npaug rau 0.18% |
| S | Tsawg dua los yog sib npaug rau 0.030% | Tsawg dua los yog sib npaug rau 0.035% |
| Tsawg qhov kub kub | -20℃cuam tshuam lub zog loj dua los yog sib npaug ntawm 27J | Tsuas yog Q235C yuav tsum tau 0℃cuam tshuam lub zog loj dua los yog sib npaug ntawm 27J |
| Kev siv kub siab ntau | Tsimnyog ntsuas kub dua lossis sib npaug nrog 350 degree | Tsis muaj qhov ntsuas qhov kub kom haum |
3. Kev thov cov kev piav qhia kev pom zoo
| Kev Ua Haujlwm | Pom zoo cov ntaub ntawv sib npaug | Qho tseem ceeb |
|---|---|---|
| Lub Tsev Qhov Kub Kub Lub Tsev | Q235C / ASTM A36 | Cov kev xav tau ntawm lub siab zoo li qub, raug nqi kho kom zoo |
| Tsawg kub vuam ncej (-20 degree) | S235jrh | Xyuas kom muaj kev cuam tshuam tawv |
| Kev kub kub txhawb cov khoom (tsawg dua los yog sib npaug rau 350 degree) | S235jrh | Q235C tsis muaj cov ntaub ntawv kub siab kub lub zog txhawb nqa |
