Different Types of International Standard for flanges:
Carbon Steel: – ASTM A105, ASTM A350 LF1/2, ASTM A181 Alloy Steel: – ASTM A182F1 /F2 /F5 /F7 /F9 /F11 /F12 /F22 Stainless Steel: – ASTM A182F6 /F304 /F304L /F316 /F316L/ F321/F347/F348 Duplex Steel S31803 / S32205 Super Duplex Steel S32750 S32760 ASME B16.5 Flanges The ASME B16.5 standard covers NPS 1/2 through NPS 24…