高压合金管12cr1movg合金管与高压合金管15crmog的区别和化学成分和力学性能
标准
|
牌号
|
抗拉强度(MPa)
|
屈服强度(MPa)
|
伸长率(%)
|
冲击功(J)
|
GB5310
|
15CrMoG
|
440~640
|
≥235
|
≥21
|
≥35
|
12Cr2MoG
|
450~600
|
≥280
|
≥20
|
≥35
|
|
470~640
|
≥255
|
≥21
|
≥35
|
标准GB5310
|
牌号
|
化学成分(%)
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Cu
|
Ni
|
V
|
Al
|
W
|
Nb
|
N
|
15CrMoG
|
0.12~0.18
|
0.17~0.37
|
0.40~0.70
|
≤0.030
|
≤0.030
|
0.80~1.10
|
0.40~0.55
|
≤0.20
|
≤0.30
|
|
|
|
|
|
12Cr2MoG
|
0.08~0.15
|
≤0.50
|
0.40~0.70
|
≤0.030
|
≤0.030
|
2.00~2.50
|
0.90~1.20
|
≤0.20
|
≤0.30
|
|
|
|
|
|
12Cr1MoVG
|
0.08~0.15
|
0.17~0.37
|
0.40~0.70
|
≤0.030
|
≤0.030
|
0.90~1.20
|
0.25~0.35
|
≤0.20
|
≤0.30
|
0.15~0.30
|