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Provide precision ball bearings for the Military & Defense industry
Steel balls and bearings play a critical role in various industries, but their significance in the military and defense sector cannot be overstated. These components are essential for the functionality, reliability, and precision of defense systems and equipment.
  • Firearms and Ammunition​​​​​​​
    Gun Mechanisms: Steel balls and bearings enhance the functionality of triggers and loading systems in firearms, ensuring reliable performance.
    Ammunition: They are used in projectiles and firing mechanisms, withstanding high pressures and temperatures.
  • Military Vehicles​​​​​​​
    Transmission Systems: Bearings support smooth power transfer in vehicle transmissions.
    Suspension Systems: They help military vehicles maintain stability and handle rough terrains.
  • Aerospace and Missiles​​​​​​​
    Guidance Systems: Bearings provide precision in missile guidance and aerospace equipment.
    Actuators and Control Surfaces: Steel balls are used in control mechanisms for precise movement.
  • Communication Equipment​​​​​​​
    Satellites: Bearings ensure accurate positioning of satellites and antennas.
  • Naval Equipment​​​​​​​
    Propulsion Systems: Bearings are used in ship and submarine propulsion, ensuring reliable operation.
    Navigation Instruments: They aid in accurate navigation.
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Hot Product
Stainless Steel Ball
STW INDUSTRIAL is a leading manufacturer of High Precision Stainless Steel Balls. Our stainless steel balls have the characteristics of high strength, corrosion resistance, lightweight and high temperature resistance, enabling them to assume important functions and roles in the automotive field.
  Compliant with ISO 9001: 2015 and IATF16949: 2016 standards
  Excellent corrosion resistance
  Has a high level of intensity
  Applicable to various harsh operating conditions

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The 420 Stainless Steel Ball, a high-quality, precision-engineered component designed to meet the rigorous demands of various industrial applications. Crafted from durable 420 stainless steel, this ball offers exceptional corrosion resistance and high wear resistance, making it ideal for environments exposed to moisture, chemicals, and high mechanical stress.
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316L Stainless Steel Ball is a versatile and durable component designed to meet the highest standards of quality and performance. Crafted from premium 316L stainless steel, this ball offers exceptional resistance to corrosion, making it ideal for use in harsh environments and applications requiring high strength and longevity.
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440 stainless steel balls are precision-engineered for high-performance applications, prized in industries needing corrosion resistance and durability. Made from martensitic stainless steel, they excel in maintaining shape and integrity under tough conditions due to their excellent hardness.
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316 stainless steel balls have excellent environmental resistance and low magnetism, making them ideal for a variety of applications. The material is passivated to reduce its reactivity.
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Material Description
Material: 420C stainless steel
Chemical composition:
Carbon (C): 0.26-0.40%
Silicon (Si): ≤1.00%
Manganese (Mn): ≤1.00%
Sulfur (S): ≤0.030%
Phosphorus (P): ≤0.035%
Chromium (Cr): 12.0-14.0%
Nickel (Ni): ≤1.00%
Iron (Fe): Balance
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AISI 440C stainless steel balls offer high hardness, toughness, and size stability, with excellent resistance to rolling contact fatigue. Used in a hardened state, they perform similarly to tool steel, making them ideal for frictional bearings.
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Introducing our AISI 304 Stainless Steel Balls: crafted for superior corrosion resistance and precision performance. Perfect for bearings, valves, and critical applications where reliability and durability are essential. Trusted quality to enhance your industrial processes.
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Main materials
Material: 304L stainless steel
Main features
Corrosion resistance: Excellent corrosion resistance in most environments, including acidic, alkaline and salt spray environments.
Low carbon content: The lower carbon content makes it produce less carbide precipitation during welding, thereby improving corrosion resistance after welding.
Wear resistance: It has good wear resistance and impact resistance, and can be used in high-strength and high-pressure environments.
Wide operating temperature range: It can work in the temperature range of -196℃ to 800℃, adapting to a variety of extreme working environments.
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