special-shaped flange A182 F11 flange Alloy Steel F5 Flanges
After hot working, forgings should be cooled to a temperature below 1000¡ãF (538¡ãC) prior to heat treatment in accordance with ASTM A182. Low alloy steels and ferritic and martensitic stainless steels shall be heat treated in accordance with ASTM A182.
ASTM A182 Gr F316 material is air hardened with little risk of cracking in thick sections when heat treated. These 316 stainless steel flanges are available for the following Pressere Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or as per customer’s custom requirements and different standards as the following ANSI flanges , ASME flange, BS flange, DIN flange, EN flange, etc.