... 3.Standard:ASTM,JIS,DIN,EN,GB,KS 1.Item: stainless steel thread flanges 2.Standard:ASTM A182, ANSI B16.5 ,ASME ... , F316/316L, F316H, F310, F321,304,304L,201,202,etc5.Pressure:PN1.0, PN2.0(CL150), PN5.0(CL300), PN6.8 ... '' DN15mm-DN3000mm 7.Package:Wooden box,or as required8.Application: Stainless steel flanges are used in petroleum/ chemical industry/power/ship building ...