Low carbon steel can be identified through several characteristics. Visually, it appears dull gray with a smooth surface compared to higher carbon steels. It typically is magnetic, which distinguishes it from stainless steel. During a spark test using a grinder, low carbon steel produces short, fine sparks. Chemically, it contains up to 0.3% carbon, making it softer and more ductile t... https://steeloncall.com/