Seamless Alloy steel pipe/Fittings

1)ASME/ASTM A213 T5/A335 P5)  and his derivative fittings(Elbow,Tees..);
2)ASME/ASTM A213T12,T11/A335 P12,P11 and his derivative fittings(Elbow,Tees..);
3) ASME/ASTM A213T9/A335 P9   and his derivative fittings(Elbow,Tees..);
4).ASTM A213 T22/A335 P22  and his derivative fittings(Elbow,Tees..);
5).ASME/ASTM A213T91(A335 P91), and his derivative fittings(Elbow,Tees..);
6).12Cr1MoV,1Cr5Mo,34CrMo4,etc.

Seamless and welded Carbon steel pipe and fittings
7.A106A/B/C(ST45.8/III,20G) A333(A334) Gr.1,Gr.6,Gr.3 ASTM A179.A53 GR.A/B/C,DIN17179,DIN2448 ST37,ST52.

8. API 5L series.

Seamless or Welded Stainless steel pipe and fittings
9.High tem stainless steel tube：TP304 series,TP321 series,TP316 series,TP347H