Available Specification as below:

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)

10low tem seamless steel tubeA333(A334) Gr.1,Gr.6,Gr.3
11.High tem stainless steel tubeTP304H,TP321H,TP316H,TP347H

Incoloy800h Inconel 600

12. API 5L for use in conveying gas , water and oil in both the oil and natural gas industries.:A25 ,A, B ,X42 ,X46 ,X52 ,X56 ,X60 ,X65 ,X70 and X80