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Common blade alloying elements
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Carbon (C)
Increases edge retention and raises tensile strength.
Increases hardness and improves resistance to wear and abrasion.
Reduces ductility.
Provides hardenability.
Chromium (Cr)
Increases hardness, tensile strength, and toughness.
Provides resistance to wear and corrosion.
More than 11% makes it "stainless", by causing an oxide coating to form.
Carbide inclusions reduce wear, but bulk material is softer.
Cobalt (Co)
Increases strength and hardness, and permits quenching in higher temperatures.
Intensifies the individual effects of other elements in more complex steels.
Copper (Cu)
Increases corrosion resistance. (?)
Manganese (Mn)
Increases hardenability, wear resistance, and tensile strength.
Deoxidizes and degasifies to remove oxygen from molten metal.
In larger quantities, increases hardness and brittleness.
Molybdenum (Mo)
Increases strength, hardness, hardenability, and toughness.
Improves machinability and resistance to corrosion.
Nickel (Ni)
Adds toughness.
Usually improve corrosion resistance.
Reduces hardness.
Too much prevents hardening.
Niobium (Nb)
Restricts carbide grain growth.
Increases machinability.
Creates hardest carbide.
Nitrogen (N)
Used in place of carbon for the steel matrix. The Nitrogen atom will function in a similar manner to the carbon atom but offers unusual advantages in corrosion resistance.
Phosphorus (P)
Improves strength, machinability, and hardness.
Creates brittleness in high concentrations.
Silicon (Si)
Increases strength.
Deoxidizes and degasifies to remove oxygen from molten metal.
Sulfur (S)
Improves machinability when added in minute quantities.
Usually considered a contaminant.
Tungsten (W)
Adds strength, toughness, and improves hardenability.
Retains hardness at elevated temperature.
Vanadium (V)
Increases strength, wear resistance, and increases toughness.
Improves corrosion resistance by contributing to the oxide coating.
Carbide inclusions are very hard.
Chips frequently.







Author:Yangjiang Zecheng Industry & Trade Co., Ltd.
Main Product:Fixed Blade knife ,Folding Knives ,Can Openers ,Egg Accessories ,Spatula ,

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