... 2.Material: Stainless steel pipe fitting: Elbows, Tees, Crosses, Reducers, Caps, Stub Ends, BendsDimensionFBIC1Wall ThicknessSCH10-SCHXXSTypeButt welded seamless carbon steel pipe fittingAuthenticationISO 9001:2000 ... quality system authentication Carbon Steel: ASTM A234 WPB Stainless Steel: ASTM A403 WP304/WP304L ...