hot press welded large size fittings 1) Type: Straight and reducing tee 2) Material: ... A420-WPL6, 3) Size: 1/2"-48" hot press welded large size fittings1.Name :welded tee,welded elbow,welded reducer,cap ... ,flange2.type:welded,ERW FITTINGS 3.Wall thickness:sch20,sch30,STD,sch40,sch60.xs,sch 160,xxs4 ... :ISO2000 quality-system have been passed hot press weled large size fittings