Carbon Steel forged flanges 1.Size:1/2" up to 48" 2.Material: ... ,stainless steel 3.Standard:ASME B 16.5, Carbon Steel forged flanges 1. Specifications:ASME, JIS, MSS, API, DIN, BS2. Material ... ; 5K-63K for JIS Flanges. 6. Certification:ISO9001 Carbon Steel forged flanges