We are the designed alloy steel tube supplier by the material-sourcing depart of China Sinopec and since 10 years ago,we could supply you kinds of special steel tubes and pipes for high-pressure and high temp resistance and corruption resistance! 1.Cr5Mo(STFA25 STPA25 STBA25 T5 P5) 2.15CrMo(STFA22 STPA22 STBA22 T12 P12) 3.1.25Cr0.5Mo(STFA23 STPA23 STBA23 STBA23 T11 P11) 4.Cr9Mo(STFA26 STPA26 STBA26 T9 P9) 5.12Cr1MoV 6.12Cr2Mo(10CrMo910 T22 P22) 7.T91(P91) 8.12Cr2MoWTiB(R102) 9.A106B(ST45.8/III,20G) 10、low tem seamless steel tube:A333(A334) Gr.1,Gr.6,Gr.3 11.High tem stainless steel tube:TP304H,TP321H,TP316H,TP347H