LOOSE FLANGE 1.Size:15-1200(1/2"-48) 2.Marerial:Q235,A105,ST37.2,20#,16Mn 3.Type:Flat, Slip-on,Bind ,Welding ... Name: carbon steel flange2.Size: from 1/2" to 80"( dn15 to dn2000)3.Materials: carbon steel or stainless steel4 ... .ASTM A105, SS400,ST37.2, ST35.3, ASTM A182 F304/304L/316/316L/321 and ... , KS B1503, JIS B2220, JIS B2216, ANSI 16.5, ANSI B16.36, ANSI B36.1O-ANSI B36.19, ...