Butt Welding Pipe 90 Deg S275 JR EN10025 Q345 Low Alloy Elbow Pipe Fittings Low alloy steel refers to the alloy steel whose total alloying element is less than 5%. Low alloy steel is relative to carbon steel, ... Подробнее
Butt-welding Pipe Fittings Butt-welding 90D Long Radius Elbow ASTM A234 WPB 2'sch40 ASME B16.9 Alloy steels with a total alloying element of less than 3.5% are called low alloy steels.Low alloy steel is ... Подробнее