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LOW CARBON PLATE STEEL
Low Carbon Plate Steel is manufactured to three separate carbon ranges that relate to thickness and end use requirements. Plates 3/4" and lighter are produced to the lowest carbon range (0.10-0.20) for maximum cold forming and welding properties. Sizes 3/4"-1 1/2" the carbon range is (0.15-0.25) which gives improved machining, while retaining its forming and welding properties.
Plates over 1 1/2" have carbon increasing to (0.20-0.33), this is a killed steel that provides the best combination of strength, weldability, and structural soundness.
MEDIUM CARBON PLATE STEEL
Medium Carbon Plate Steel in the (.40-.50) carbon range is silicon killed and higher carbon for improved strength. Light and medium thicknesses can also be heat treated for greater strength. Machinability is good, but ...