65*4mm hydraulic oil seamless steel tubes

 1)materical: 20#,35#,45#,20G,20MnG,20A,A106B,A106C,ST45.8-III,12CrMo,15CrMo,35CrMo,12Cr1MoV,Cr2Mo,12Cr2Mo,

                     Cr5Mo,A335P12,A335P11,A335P22,A335P5,A335P91,   10CrMo910,12CrMo195 and so on. 

2)Pipe according to standard: ASTM.DIN,BS,GB,API5L,API5CT

3)size:18*2-2.5-3mm

4)O.D.:8-110mm

5)W.T.:1-14mm