厂商 :河南恒信金属材料有限公司
地址 :河南 郑州主营产品 :高压合金管 合金板 合金圆钢 双相钢 不锈钢
联系电话 :13838267921
钢管种类 |
外径(D) |
壁厚(S) |
| |
冷拔管 |
钢管外径(mm) |
允许偏差(mm) |
钢管壁厚(mm) |
允许偏差(mm) |
>30~50 |
±0.3 |
>3~20 |
±10% |
|
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
硬度 |
|
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
|
/ |
|
20 |
410~550 |
≥245 |
≥20 |
/ | |
GB5310 |
20G |
410~550 |
≥245 |
≥24 |
|
/ |
|
20MnG |
≥415 |
≥240 |
≥22 |
/ | |
|
25MnG |
≥485 |
≥275 |
≥20 |
/ | |
|
15CrMoG |
440~640 |
≥235 |
≥21 |
/ | |
|
12Cr2MoG |
450~600 |
≥280 |
≥20 |
/ | |
|
12Cr1MoVG |
470~640 |
≥255 |
≥21 |
/ | |
|
12Cr2MoWVTiB |
540~735 |
≥345 |
≥18 |
/ | |
|
10Cr9Mo1VNb |
≥585 |
≥415 |
≥20 |
/ | |
ASME SA210 |
SA210A-1 |
≥415 |
≥288 |
≥30 |
≤143HB |
|
|
SA210C |
≥485 |
≥275 |
≥30 |
≤179HB | |
ASME SA213 |
SA213 T11 |
≥415 |
≥205 |
≥30 |
≤163HB |
|
|
SA213 T12 |
≥415 |
≥220 |
≥30 |
≤163HB | |
|
SA213 T22 |
≥415 |
≥205 |
≥30 |
≤163HB | |
|
SA213 T23 |
≥510 |
≥400 |
≥20 |
≤220HB | |
|
SA213 T91 |
≥585 |
≥415 |
≥20 |
≤250HB | |
|
SA213 T92 |
≥620 |
≥440 |
≥20 |
≤250HB | |
DIN17175 |
ST45.8/Ⅲ |
410~530 |
≥255 |
≥21 |
|
/ |
|
15Mo3 |
450~600 |
≥270 |
≥22 |
/ | |
|
13CrMo44 |
440~590 |
≥290 |
≥22 |
/ | |
|
10CrMo910 |
480~630 |
≥280 |
≥20 |
/ |