1 Grade:10#,20#,16Mn, ASTM A106 Gr.B, ASTM A53, St37, St42, St52, Q235 2 Sell to Europe,Asia,Middle East and so on 3 ISO9001 seamless steel pipeTypeASTM A106 B seamless steel structure pipe/tubeSteel Grade10#, 20# 25# 45# Q195 Q235 Q345 16Mn 15CrMo 16SiMn and so onPayment Terms T/T, L/CSpecification1.Outer Diameter:6-860mm2.Wall Thickness:2.5-60mm3.We can also produce according to ...