... API 5CT-1043, API 5L-0699 Linzhou Fengbao Pipe Co.,Ltd. as a seamless pipe manufacturer in the worldwide marketplace specializes in production ... www.cfbpco.comLine pipe Namehigh quality API 5L Spec Gr.B seamless steel pipeApplication pipeline pipe, gas delivery pipe, fluid ... pipeStandard API 5L/ASTM A106/A53 GR.BMaterial20#,Q345,B,X42,x46,x52Weight calculation formula(OD-WT)*WT*0.02466 ...