... need there, it does not mean that we don't supply them. You can still send us a quote. More details ... 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 ... system certification and API certification get passed. Manufacturing MethodHot rolled seamlessSize (OD)Casing:4-1/2”,5”,5-1/2”,6-5 ...