1) OD: up to 5,500mm 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3) Pressure Vessel ... Forging, Shaft Forging Slip On Flanges - ANSI B16.5 Stainless Steel 304L,316L ect. Standard Chinese Flange Used in Pipeline ... ,300,600, 900, 1200, 1500,2500.Size1/4" to 48" Carbon Steel Flanges SpecificationASTM A 105DimensionANSI B 16.5Grade RangeSORF, BLRF, SWRF ...