In contrast to other general steel products, the superior characteristics of Steel chemical treatment result through the chemical composition and special treatments on the d2 tool steel products. Which has a carbon content between 0.7% and 1.5%, JIS Channel Bar also contents some rare metals, including manganese (Mn), chromium (Cr), molybdenum (Mo), tungsten (W), vanadium (V), cobalt (Co), etc, above which more directly impact the damage resistance. The right heat treating and quenching operations improve the toughness and strength in the material. The heat treating process utilized to harden steels is made of heating them up to and including warm (usually at 1204), then quenching to near room temperature, and lastly reheating to many intermediate temperature for tempering (593). Some surface treatments, including coating, etc., in many cases are placed on Steel material for boiler.
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