... such as BW/ SW/ Screwed/ Forged & Compression Type Elbow, Tees, Cross, Reducers, Caps, Stub ends, Flanges, Unions, Nipples, Couplings, Elbowlets, Sockolets, Weldolets ... Products Type: Product nameSpiral submerged arc welding steel pipeStandardAPI 5L, GB/T9711,GradeQ235,Q345,B,X42,X52,X60,X65,X70applicationAs conveyer pipe in the ...