Style
|
Size
|
Steel grade
|
Standard
|
Applications
|
|
OD
|
WT
|
||||
High Pressure Fertilizer Pipes
|
8~219
|
2~40
|
10#、20#、16Mn、15MnV、12CrMo、15CrMo
|
GB6479
|
High-pressure chemical fertilizer equipment and piping
|
Structural Pipes
Style
|
Size
|
Steel grade
|
Standard
|
Applications
|
|
OD
|
WT
|
||||
Structural Pipes
|
8~219
|
2~40
|
10#、20#、35#、45#、Q345
|
GB/T 8162
|
Machining mechanical parts, pipe fittings, the grid
|