High quality API 5L Spec Gr.B seamless steel line pipe Seamless steel pipe ... 1/2"-20" W High quality API 5L Spec Gr.B seamless steel line pipe1. We produce SMLS pipe ... API 5L-0953 Products InformationNamehigh quality API 5L Spec Gr.B seamless steel pipeApplication pipeline pipe, gas delivery pipe ... and packingStandard API 5LMaterial10#, 20#, A106 gr.B, A53 gr.B, API 5L gr.B, 16Mn, St42-2, St52.4Weight ...