鋼管牌號1Cr19Ni11Nb化學成分
牌號 |
化學成分(質量分數)(%) | ||||||||
C |
Mn |
Si |
Cr |
Mo |
Ni |
Nb+Ta |
S |
P | |
≤ | |||||||||
1Cr19Ni11Nb |
0.04~0.10 |
≤2.00 |
≤1.00 |
17.00~20.00 |
_ |
9.00~13.00 |
≤8C%~1.00% |
0.030 |
0.035 |
1Cr19Ni11Nb力學性能
牌號 |
拉力強度MPa |
屈服點MPa |
伸長率(%)
|
1Cr19Ni11Nb |
≥520 |
205 |
3 |