We have wide range of forged & machined flanges made from carbon steel material confirming to ASTM, DIN, EN,JIS, GOST, ETCMaterial:carbon steel,A105,C-22.8,RST37-2 ,stainless steel and as per customer�� specificationSizes: DN15-DN1400Surface treatment:antirust oil,black painted, electrogalvanizingPackage: wooden cases and pallet