Carbon Steel forged flanges 1.Size:1/2" up to 48" 2.Material:carbon steel,alloy steel, ... 3.Standard:ASME B 16.5, Carbon Steel forged flanges 1. Specifications:ASME, JIS, MSS, API, DIN, BS2. Material: Carbon Steel(ASTM ... , 316/316L, 321) Alloy Steel(ASTM F11/22)3. Size: 1/2"~ 200"4. Face Type: Flat Face, Raised Face, Ring ...