seamless pipe:
1. material: 20#,45#,10#,16Mn,45Mn2,37Mn5,27SiMn,30CrMo,12CrMo,Q195,Q235,Q345,etc
2.standaed:GB:8163 , 5310,3087,6479, 9948,18248...
BS1387, 6323,ASTM A106,A53,A333,A335..
3.size:according to customers require
4.Used area:Petroleum,chemical,power, gas, water, metallurgy, shipbuilding, construction,etc

