无锡福临泰钢铁有限公司
联系人:王经理
电话:0510-88264616、88264669、88266099
手机:13400031117、13400032005、13400038833
地址:无锡市梁溪区钱皋路168号
标准
|
牌号
|
抗拉强度(MPa)
|
屈服强度(MPa)
|
屈强比
|
伸长率(%)
|
0℃冲击功
Akv(J)
|
热处理状态
|
API SPEC 5L
GB/T9711.2
|
B
|
≥415
|
245~440
|
≤0.80
|
22
|
≥40
|
正火
|
X42
|
≥415
|
290~440
|
≤0.80
|
21
|
≥40
|
正火
|
|
X52
|
≥460
|
360~510
|
≤0.85
|
20
|
≥40
|
正火
|
|
X60
|
≥520
|
415~565
|
≤0.85
|
18
|
≥40
|
正火
|
|
X65
|
≥535
|
450~570
|
≤0.90
|
18
|
≥40
|
淬火+回火
|
|
X70
|
≥570
|
485~605
|
≤0.90
|
18
|
≥40
|
淬火+回火
|
标准
|
牌号
|
化学成分(%)
|
CEV(%)
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
|||
API SPEC 5L
GB/T9711.2
|
B
|
≤0.16
|
≤0.40
|
≤1.10
|
≤0.020
|
≤0.010
|
-
|
-
|
-
|
≤0.42
|
X42
|
≤0.17
|
≤0.40
|
≤1.20
|
≤0.020
|
≤0.010
|
≤0.05
|
≤0.05
|
≤0.04
|
≤0.42
|
|
X52
|
≤0.20
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.10
|
≤0.05
|
≤0.04
|
≤0.45
|
|
X60
|
≤0.21
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.15
|
≤0.05
|
≤0.04
|
协议
|
|
X65
|
≤0.16
|
≤0.45
|
≤1.60
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
≤0.45
|
|
X70
|
≤0.16
|
≤0.45
|
≤1.70
|
≤0.020
|
≤0.010
|
≤0.06
|
≤0.05
|
≤0.06
|
≤0.45
|