Alloy steel, ASTM A860, ASTM A182, ASTM A336, ASTM A335, ASTM A335, ASTM A385, ASTM A387-Zhengzhou oru CO., LTD.
A na-eji ígwè ígwè na ASTM A333, ụlọ obibi na-achịkwa ya na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ site na 845 ruo 1750 ruo 1750 ruo 1750 ruo 1750 ruo 1750 ruo 1750 ruo 1750 ruo 1750 ruo na ikuku ma ọ bụ ikuku. Igwe ikuku na-achịkwa site na okpomọkụ mbụ karịrị 845¡ãcãc [15500f]. N'ihi na ASTM A333, a ga-eme ọgwụgwọ na-enweghị atụ, a ga-eme ka mmiri dị ọkụ na-emegharị ya, a ga-edozigharị mmiri dị iche iche.