1. Specification:

  1)O.D: 1/2"--48"  

  2)W.T: 2-60mm   

2. Steel Grade:

10#, 20#, 20G, 35#, CK45, 16Mn, ST37, ST52, 

15CrMo, 42CrMo, 12Cr1MoV, 13CrMo44, 15Mo3, 10CrMo910

H40,J55,K55,N80,L80,C-90,C95,T95,P110,

Gr.B, X42, X46, X52, X60, X65, X70, X80;

3. Standard:

ASTM A106B/A53B/A179/A192/A200/A210A1/A210C/A213/A333/A335

GB/T 9948-88, API 5CT, API 5C, API 5L, GB/T8162, 8163, 3087

4. Application:

oil refinery furnace pipe, heating exchanger pipe and tubing, etc