... steel butt-welding pipe fittings: elbow tee reducer stub end capTypePressingSize1/2"-64"Wall thicknessSCH5S,SCH10S ... GOST17378MaterialTP304,TP304L,TP321,TP310S,TP316L,TP347,A403-WP304,A403-WP304L,A403-WP316L,A403-WP321SS304,SS304L,SS316L,SS321,S31803,S2205APPLICABLE ... ,TP304L,TP321,TP310S,TP316L,TP347,A403-WP304,A403-WP304L,A403-WP316L,A403-WP321SS304,SS304L,SS316L,SS321,S31803,S2205APPLICABLE ...