... steel flange 2. Size range: 15-1300A(1/2 to 52") 3. Standard: DIN, UNI,GB, ... ANSI,API,ASA,JIS 1. Title: Stainless steel flange2. Size range: 15-1300A(1/2 to 52")3. Standard: ... DIN, UNI,GB, BS, ASME, ANSI,API,ASA,JIS etc.4. Material: F304(1.4301), F304L(1.4307), F316(1 ... .4401), F316L(1.4404), F321(1.4541), F316TI(1.4571), ...