... 1/2-48 inch 2.Material: carbon steel, stainless steel 3.Standard: ANSI, JIS, DIN, Stainless steel flanges socket weldANSI B16.5 FlangesWe are ... Spectrum testing for Raw Material 1.We offer carbon steel and stainless steel flanges.2.Sizes: DN15 to DN1200, 1/2 inch ... month10.Delivery: 30days12.Material :Carbon Steel:A105,SS400,SF440,RST37.2,S235,C22.8 Stainless Steel:F304,F304L,F316,F316L,316Ti etc