... A53, GB/T 8163, EN10216,BS&JIS&DINMaterial:A106GrA,B,C,A53GrA,B,C,API 5L X70, X65, X60, X42,X46,X52 ... ,X56,GR.B, Q345, Q235, Q195, 20#, 10#, S235JRH, S275JOH, S355JOH,P325TR1,ST37 ... 1/288.905 1/224.705 1/2139.700.4210.545 1/2 FH7 1/4184.153 1/288.906 5/825.206 5/8168.280.338.386 5/8 ...