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By certification 
Standard: API 5L MS863
Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
Place of Origin: Hebei Province
Outer Diameter: 21.3mm-219mm
Technique: ERW
Certification: ISO、CE、SRIM、
Application: GAS TRANSFER, fire-fighting water transfer
Surface Treatment: Hot dipped galvanized/ OILED/ BLACK PAINTING/ lacquer
End finished: BS/ ANSI/ GB standard threaded with or without couple
Packaging&Deliver
Packaging Details: Bulk, Bundle
Delivery Detail: Bulk or container.
No-selfish desire makes one strong and broad minded makes one virtuous. Zhengda people will pursue excellent quality, create aneternal belief, inherit the thousands of years steel making cultural, to achieve a century-old pipe making enterprise.
http://www.zhengdapipe.com/
