国外阀门材料常用技术标准 承压零部件用奥氏体钢铸件、拉伸性能要求(续)
HT30 N08030 |
CF10MC |
CN7M N08007 |
CN3MN J94651 |
CE8MN |
CG6MMN J93790 |
CG8M J93000 |
CF10SMnN J92972 |
CT15C N08151 |
CK3MCuN J93254 |
CE20N J92802 |
CG3M J92999 |
|
抗拉强度,最小 ksi[MPa] |
65 [450] |
70 [485] |
62 [425] |
80 [550] |
95 [655] |
85 [585] |
75 [515] |
85 [585] |
63 [435] |
80 [550] |
80 [550] |
75 [515] |
屈服强度A,最小 ksi[MPa] |
28 [195] |
30 [205] |
25 [170] |
38 [260] |
65 [450] |
42.5 [295] |
35 [240] |
42.5 [295] |
25 [170] |
38 [260] |
40 [275] |
35 [240] |
延伸率,2英寸或 50mm标距B 最小,% |
15.0 | 20.0 | 35.0 | 35.0 | 25.0 | 30.0 | 25.0 | 30.0 | 20.0 | 35.0 | 30.0 | 25.0 |
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