Strictly implements the standard specifications of ASTM B338/ASME SB338, ASTM B861/ASME SB861, ASTM B862/ASME SB862 ,AMS 4942
Type:
　　 Seamless
Grade:
　　 Gr.1, Gr.2, Gr.7, Gr.9, Gr.12
Sizes:
　　 sizes range for seamless style: oD2.0-114mm, WT0.3-8.0mm, 　　 　　 Length≤18000mm