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420 Stainless Steel Round Bar is a martensitic stainless steel known for its high hardness, wear resistance, and good mechanical strength after heat treatment. It offers a practical balance of corrosion resistance and durability for demanding engineering applications.
Widely used in cutting tools, industrial components, valve parts, and mechanical equipment requiring enhanced hardness and abrasion resistance.
420 Stainless Steel Round Bar provides excellent hardness and wear resistance, making it suitable for components subjected to friction, impact, and repeated use.
Key advantages include:
• High hardness after heat treatment
• Excellent wear resistance
• Good mechanical strength
• Moderate corrosion resistance
• Suitable for machining and precision processing
• Long service life in demanding applications
• Available in custom diameters and lengths
420 Stainless Steel Round Bar is widely used in applications requiring hardness, durability, and wear resistance.
Typical applications include:
• Cutting tools
• Industrial knives
• Valve components
• Pump shafts
• Molds and dies
• Surgical instruments
• Mechanical parts
• OEM manufacturing projects
We supply 420 stainless steel round bars in various diameters, lengths, and surface finishes to meet different project requirements. Cutting, machining, polishing, and custom processing services are available according to customer specifications.
Available in annealed, heat-treated, hot rolled, and cold drawn conditions for industrial and engineering applications.
Our materials support a wide range of construction and infrastructure projects
420 stainless steel round bar contains a higher carbon content than 410, allowing it to achieve higher hardness after heat treatment. While both grades offer good corrosion resistance, 420 is commonly selected for applications requiring improved wear resistance and hardness.
Yes. 420 stainless steel round bar can be heat treated to achieve high hardness and improved wear resistance. The final mechanical properties depend on the specific heat treatment process and application requirements.
420 stainless steel round bar is widely used for knives, industrial blades, valve components, pump shafts, molds, and other parts requiring high hardness and good wear resistance. The appropriate heat treatment condition should be selected according to the intended application.
It offers excellent resistance to seawater corrosion and maintains strength in humid and salt-rich conditions.
No. Strength is achieved through strain hardening rather than heat treatment.
Yes. It provides excellent weldability for structural fabrication.
Yes, it is commonly applied in tanks and pressure equipment.
Yes. It provides higher strength compared with most non-heat-treated aluminum alloys.
Yes. Thickness, width and temper can be adjusted based on project demand.
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