规格(mm)

壁厚(mm)

材质

标准

48.3

2.5-7.0

ASTM A53,A106,A283-D,

A210-C,A333

JISG3456,G3454,G3455;

ST37,ST42,ST45-8,ST52;

GB Q235,20#,10#,45#,

16Mn,Q345

API PSL1,PSL2,X52,J55,

K55,N80

ASTM GRA,GRB

API5L,API5CT

JIS,

DIN,

GB

BS

60.3

3.0-7.0

76.1

3.0-8.0

88.9

3.0-10.0

102

3.0-10.0

108

3.0-11.0

114.3

3.0-12.0

121

3.0-12.0

127

3.0-12.0

133

4.0-12.0

139.7

3.0-12.0

152

3.0-12.0

159

3.0-13.0

165

3.0-13.0

168.3

3.5-13.0

177.8

3.5-13.0

193.4

4.0-14.0

203

3.0-14.0

219

3.5-14.0

244.5

5.5-14.0

273

5.5-14.0