line pipe api 5l psl2 x65

line pipe api 5l psl2 x65

Name:*
Email:*
Message:
Ministry of Commerce of the P.R.China China Commodity Net

First, the walls of green pipes are thickened by a process called upsetting through which a pipes exterior surface is pushed inward. Next, the pipes are threaded and receive a strength enhancing copper plating. Nondestructive quality control inspection then takes place, after which the pipes are welded to tool joints.

[Online Service]