1. Low Alloy Steel. In low alloy steel, the carbon content is generally kept 0.25 % and often 0.15 % for specially welding application. There are some alloying elements like manganese, nickel, chromium, molybdenum, silicon, vanadium and boron and the lessmon alloying elements are aluminum, cobalt, copper, titanium, tungsten, tin and zirconium.
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