牌号及规格Grade and size :
|
牌号Grade |
厚度Thickness |
宽度Width |
长度Length |
状态Condition |
|
1.2311 |
10-120mm |
1600-2600mm |
6000-18000mm |
正火+回火、热轧+回火N+T/Rooled+T |
|
1.2378 |
10-120mm |
1600-2600mm |
6000-18000mm |
|
P21 |
10-120mm |
1600-2600mm |
6000-18000mm |
对照 Comparision:
|
中国标准 |
美国标准 |
德国标准 |
瑞典标准 |
奥地利标准 |
|
GB/YB |
AISI |
DIN |
ASSAB |
BOHLER |
|
- |
- |
1.2311 |
- |
- |
|
3Cr2Mo |
P20 |
1.2311 |
618 |
M202 |
|
3Cr2NiMnMo |
P20+Ni |
1.2738 |
718 |
M202 |
|
|
P21 |
|
|
|
化学成分Chemical composition :
|
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
V |
B |
|
|
最大≦ |
|
牌号分类Grade |
NSM30 |
0.41 |
0.6 |
1.5 |
0.02 |
0.01 |
1.9 |
0.4 |
|
|
*) |
|
2311 |
0.4 |
0.4 |
1.5 |
0.018 |
0.01 |
2 |
0.4 |
|
|
|
|
P20 |
0.4 |
0.5 |
1.4 |
0.018 |
0.008 |
2 |
0.5 |
|
*) |
|
|
718 |
0.42 |
0.4 |
1.6 |
0.018 |
0.008 |
2 |
0.5 |
1.2 |
|
|
|
NSM-HPM |
0.38 |
1.2 |
1.6 |
0.02 |
0.008 |
2 |
0.9 |
1.2 |
*) |
|
性能指标Mechanical properties :
|
|
质量class |
NSM30 |
NSM-HPM |
2311 |
P20 |
718 |
|
HBW |
HBW |
HBW |
HBW |
HBW |
|
硬度Hardness |
普通类Norma |
270-330 |
360-430 |
280-330 |
280-340 |
290-340 |
|
H类 H type |
|
|
|
315-365 |
315-370 |
