... carbon steel seamless steel pipe 2.Material: Q195, Q235, Q345, 10#, 20#, 45# etc., 3.Specification: 6-610*1-30mm Typecarbon steel Seamless steel pipe /seamless steel ... StandardASME, ASTM, EN, BS, GB, DIN, JIS, etcMaterial 10#,20#,Q345B=16Mn,30crmo,20cr,SAE1045API5L(GRB,X42,X52,X60); ... Bundle packing or woven bags packing or packing in bulk or plastic bags 2. Bevelled end or plain end or warnished as ...