420 Stainless Steel Plate/Sheet Details
Overview
420 stainless steel plate/sheet is a high-carbon martensitic stainless steel known for its excellent hardness, good corrosion resistance, and high wear resistance. It can be hardened through heat treatment, which significantly enhances its mechanical properties. This grade is commonly used in applications that require high strength and wear resistance.
Key Characteristics
High Hardness and Strength: Can be heat treated to achieve high hardness and strength, making it ideal for applications requiring wear resistance.
Good Corrosion Resistance: Offers good corrosion resistance in mild environments, including fresh water, steam, and mild acids.
Wear Resistance: Provides excellent wear resistance due to its high hardness.
Heat Treatability: Can be hardened through heat treatment to enhance its mechanical properties.
Magnetic Properties: Exhibits magnetic properties in both the annealed and hardened conditions.
Chemical Composition
Carbon (C): 0.15-0.40%
Manganese (Mn): ≤ 1.00%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.040%
Sulfur (S): ≤ 0.03%
Chromium (Cr): 12.0-14.0%
Common Applications
Cutlery and Surgical Instruments: Widely used in manufacturing cutlery, surgical instruments, and dental tools due to its high hardness and corrosion resistance.
Industrial Blades and Tools: Suitable for industrial blades, knives, and cutting tools that require high wear resistance.
Valves and Pump Parts: Used in valves, pump parts, and shafts that need good mechanical strength and moderate corrosion resistance.
Fasteners: Employed in manufacturing fasteners, bolts, and screws where high strength and wear resistance are essential.
Mold and Die Making: Ideal for molds, dies, and tooling components that require high hardness and resistance to wear.
Advantages
Excellent Hardness and Strength: Can be heat treated to achieve very high hardness and strength, making it suitable for wear-resistant applications.
Good Corrosion Resistance: Provides good resistance to corrosion in mild environments, enhancing its durability.
High Wear Resistance: Offers superior wear resistance due to its high hardness.
Versatile Heat Treatment: Can be easily hardened through heat treatment to achieve desired mechanical properties.
Magnetic Properties: Magnetic in both annealed and hardened conditions, useful for certain applications.
Summary
420 stainless steel plate/sheet is a versatile and high-performance material designed for applications requiring high hardness, strength, and wear resistance. Its ability to be hardened through heat treatment makes it suitable for cutlery, surgical instruments, industrial blades, and other applications demanding durability and corrosion resistance. The combination of excellent mechanical properties and good corrosion resistance makes it a preferred choice in various industries.
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