1) OD: up to 5,500mm 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, ... Forging, Shaft Forging Slip On Flanges - ANSI B16.5 Stainless Steel 304L,316L ect. Standard Chinese ... . Stainless Steel Flanges SpecificationASTM A 240,AI82DimensionANSI B 16.5GradeTP304,304L,304H,316, 3I6L,316H,317, ... to 48" Carbon Steel Flanges SpecificationASTM A 105DimensionANSI B 16.5Grade RangeSORF, BLRF, SWRF, WNRF, SCREWED. ...