NACE MR0103 / ISO 17345:2015 High Pressure Steel Tee NACE MR0103 / ISO 17345:2015 establishes comprehensive requirements for metallic materials used ....
EN 10253-1 S235 Carbon Steel Tee EN 10253-1 is a European standard for butt-welding pipe fittings made of non-alloy steel. Grade S235 in this standard ...