ASTM A737 / A737M-17 Cov ntaub ntawv PDF
ASTM A737 yog dab tsi?
ASTM A737 steel phaj yog siv rau cov kav dej thiab ua cov hlab ntsha siab, cov khoom siv muaj zog thiab cov hlau tsis tshua muaj hlau. Nws suav nrog Qib B & C.
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A737 yog dab tsi?
| ASTM A737 Cov Khoom Siv Hluav Taws Xob | C | Mn | S | P | Si |
|---|---|---|---|---|---|
| Qib B | 0.20 | 1.15-1.50 | 0.030 | 0.035 | 0.15-0.50 |
| Qib C | 0.22 | 1.15-1.50 | 0.030 | 0.035 | 0.15-0.50 |
Dab tsi yog Tensile ntawm ASTM A737?
| Qib Steel | Tensile zog, ksi [MPa] | Yield zog, min, A ksi [MPa] | Elongation, min, %B |
|---|---|---|---|
| Qib B | 485-620 | 345 | 18 |
| Qib C | 550-690 | 415 | 18 |
ASTM A737 cov khoom sib npaug yog dab tsi?
A737 yog lub siab - lub zog, tsis tshua muaj hlau alloy rau cov hlab ntsha siab thiab kev siv cov qauv. Qhov "A" ua raws li ASTM cov qauv, thiab "737" qhia qib. Cov qib sib npaug yog EN P355NL1 thiab DIN StE355. Nws muaj zoo toughness, weldability, thiab tawg kuj, tshwj xeeb tshaj yog nyob rau hauv qis kub.
