1.Item:304L stainless steel flange 2.Standard:ASTM,ASME,DIN,BS,DIN 3. ... /2''~50'' 4.Type:SO,IF,TH,WN,SW,BL Stainless steel flangeStandardGB/T9112-2000, ANSI B16.5, HG20592-2009, ASTM ... BL)Pressure0.6Mpa ~32Mpa,150Lb ~2500Lb,PN0.25-PN42.0 Stainless Steel StandardGB/T9112-2000, ANSI B16.5,ASME SA403,DIN2573 Material304 ... questions,pls contact me without hesitate.Product Photos: 304L stainless steel flange