steel flanges Type:WN,SO,LJ,PL,BL,TH,SW Size: DN15-6000 Material:carbon steel,stainless steel,alloy steel Steel Flanges1.Type:WN,SO,LJ,PL,BL,TH,SW2.Standard:ANSI,ISO,JIS,DIN,EN,UNI,BS 3.Size: DN15-60004.Material:carbon steel,stainless steel,alloy steel5.Pressure:pn10,pn16,pn25,pn40,,150l,300l,600l,5k,10k,16k,20k6.Packing: plywood cases or as required.