Alloy Pipe

Grade and Manufacturing Specification of Precision Pipe
No. Grade Specification Executive Standard
Outer Diameter mm Wall Thickness mm Economical Length m
1 10 10 ~ 90 1.5~10 6 ~ 12 GB/T3639 DIN2391-2 EN10305-1
2 20
3 35
4 45
5 Q345B
6 St35
7 St45
8 St52
9 E235
10 E355
Grade and Manufacturing Specification of Cannonball Pipe
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness/mm Economical Length/m
1 D60 10 ~ 127
42 ~ 114.3
73 ~ 180
68 ~ 260
168 ~ 368
1 ~ 20
3.5 ~ 12
4 ~ 22
10 ~ 55
6 ~ 42
6 ~ 12
6 ~ 12
6 ~ 12
6 ~ 12
6 ~ 12
YBn1 YBn2
2 30CrMnSiA
3 40Cr
Grade and Manufacturing Specification of Fine-Grained Structural Pipe
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness/mm Economical Length/m
1 2 3 4 5 S275J0H
S275J2H
S355J0H
S355J2H
S355J2H
10 ~ 127 1 ~ 20 6 ~ 12 EN10210-1
42 ~ 114.3 3.5 ~ 12 6 ~ 12
73 ~ 180 4 ~ 22 6 ~ 12
68 ~ 260 10 ~ 55 6 ~ 12
168 ~ 368 6 ~ 42 6 ~ 12
318 ~ 720 14 ~ 120 4 ~ 12
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