牌號 |
45#無縫管化學成分(質量分數(shù))(%) | |||||
45 |
C |
Si |
Mn |
Cr |
Ni |
Cu |
≤ | ||||||
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 |
牌號 |
力學性能 | |||
拉力強度MPa |
屈服點MPa |
斷后伸長率(%) |
斷面收縮率(%) | |
45# |
600 |
355 |
16 |
40 |
牌號 |
45#無縫管化學成分(質量分數(shù))(%) | |||||||
45 |
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Cu |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
≤0.25 |