420 Stainless Sheet
Products Description
420 stainless steel sheet is a high-carbon martensitic stainless steel plate, characterized by high hardness, excellent wear resistance, and moderate corrosion resistance. Its mechanical properties can be significantly enhanced through heat treatment, making it a cost-effective industrial material that balances strength, wear resistance, and basic rust prevention.
Parameters
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Product name |
420 stainless sheet |
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Material |
420 Stainless Steel (2Cr13) |
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Executive Standard |
ASTM A240 / GB/T 4237 / JIS G4305 |
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Thickness Range |
0.3mm - 100mm (Regular in stock, custom special thickness available) |
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Width Range |
100mm - 2000mm (Slitting and cutting available on demand) |
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Surface Treatment |
2B Surface, NO.1 Hot-rolled Surface, Brushed Surface, Mirror Surface, Polished Surface, Anti-fingerprint Surface |
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Hardness Grade |
Annealed State: HB≤200; Quenched and Tempered: HRC 48-55 (Custom hardness available) |
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Delivery State |
Annealed, Solution-treated, Quenched and Tempered (Selected on demand) |
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Tolerance Accuracy |
±0.02mm - ±0.05mm (Precisely controlled as per customer requirements) |
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Processing Services |
Laser Cutting, Bending, Stamping, Drilling, Polishing, Heat Treatment, Surface Customization |
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Test Report |
SGS and third-party material test reports available, composition and performance traceable |
Embossed
Applications
High Hardness and Wear Resistance, Long Service Life: 420 stainless steel sheet contains ≥12% chromium. After quenching and tempering, its hardness can reach HRC50 or higher. Its wear resistance far exceeds that of ordinary austenitic stainless steel, enabling it to adapt to high-friction, high-load conditions. This effectively reduces component wear and lowers procurement costs, making it the preferred material for molds, cutting tools, and bearing components.
Corrosion and rust resistant, suitable for multiple scenarios: It exhibits excellent rust resistance in atmospheric, fresh water, and weakly acidic/alkaline environments, resisting oxidation and rusting. It can be widely used in humid environments and mildly corrosive conditions, balancing practicality and durability, making it suitable for various export scenarios.
Easy to process and polish, suitable for precision requirements: Excellent machinability in the annealed state, easily enabling turning, milling, and bending. After polishing, it achieves a high surface finish, reaching a mirror effect, meeting the appearance and precision requirements of precision parts and hardware decorative components.
Precise dimensions, controllable quality: Produced using precision rolling technology, the sheet surface is flat, free of sand holes, peeling, and scratches. Thickness tolerances are strictly controlled, minimizing deformation during processing and ensuring dimensional consistency in each batch, reducing subsequent rework.
Packaging and Transportation
About US
Certificates
FAQ
Q1: What is the difference between 420 stainless steel sheet and 304/316 stainless steel sheet?
A1: 420 is a martensitic stainless steel, its core advantages being high hardness and high wear resistance, making it suitable for wear-resistant parts requiring quenching. 304 and 316 are austenitic stainless steels, offering better corrosion resistance but lower hardness, making them unsuitable for high-load friction conditions. The choice depends on the specific application.
Q2: What heat treatments can be performed on 420 stainless steel plates?
A2: We offer annealing, quenching and tempering, and other heat treatment services. Annealed plates are easier to machine, while quenching and tempering significantly improve hardness and wear resistance. We can customize a heat treatment solution to meet your specific needs.
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