Spiral Welded Steel Pipe Jul. 11, 2010 21:17:30
Item
Spiral Welded Steel Pipe
Standard
API 5L, API 5CT, APT 5B, EN1047, SY/ T5037-2000, GB/ T3091-2008, GB 150, GB 151, GB 699, GB/ T14976, GB/ T8163, GB 13296
Material
Q235, Q345B, ....
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