... 30k,150# to 2500#,PN6-PN40 ANSI 150# carbon steel flangesize:DN15-DN2000material:cs&sspressure:5k,10k,16k ... 20k,30k,150# to 2500#,PN6-PN40ANSI 150# carbon steel flange 1.Size:DN15 to DN2000,1/2" ... to 78"2.Material:carbon steel,stainless steel3.Standard:ANSI,DIN,JIS,BS,UNI ... order10.Inspection: factory in-house self check or Third Party inspection11.Carbon Steel:A105,SS400,SF440,RST37.2,S235 ...