X52什么材质X52切割X52哪里有货

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