... ,Alloy Steel 2.Size :1/8''-64'' 3.Standard:ANSI.DIN,JIS Forged Flange1.Material: Stainless Steel, Carbon Steel, Alloy Steel ... .Size: From1/8" to 64" 3.Standard: ANSI,DIN,JIS,BS,KS4.Specification SIZESTANDARDSERIESPRESSURE11/2''-64''ASTM ANSI B16.5, ASA, API ... you have any need,pls feel free to contact us. DIN Standard Forged Flange