Heavy Duty Stainless Steel Washers
Dimensional tolerance ： ±0.05mm
Weight : 0.5g-500kg
Heavy duty stainless steel washers are designed for extreme working conditions. It is the core fastening component. Its tensile strength exceeds 800 MPa. This can support the long-term stable operation of heavy-duty machinery. In highly corrosive environments such as coastal areas, it can provide long-term protection for more than 15 years. This significantly reduces the risk of failure caused by corrosion.
The excellent performance of the product is based on precision technology and high-standard materials. The surface is passivated. In standard salt spray testing, its corrosion resistance time exceeds 200 hours. Key dimensions are processed using CNC machining technology. The tolerance can be controlled within ±0.05 mm. This ensures extremely uniform pressure distribution. From a full life cycle cost perspective, its excellent durability can reduce comprehensive maintenance costs by more than 60%. It is a reliable choice for long-term safety and economic benefits.
Parameters
JOYEAR is a privately held company that was founded in 2008 with the intention of providing clients worldwide with efficient, comprehensive industrial parts export services. JOYEAR provides a precise customization service for metal products. Just send us your 3D models or drawings, and our talented staff will transform them into tangible items.
Our products are made from a variety of materials, including mild steel, carbon steel, copper, aluminum, stainless steel, and structural steel. Material forms include things like sheets, profiles, tubes, round materials, flat materials, square materials, etc.
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Core Material |
A2 (304) or A4 (316) Stainless Steel |
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Material Certification |
|
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Dimensions and Tolerance |
±0.1 mm |
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Surface Treatment |
Pickling & Passivation, Electro-polishing |
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Corrosion Resistance |
≥48 hours |
★ Our product range includes:
► Materials: Carbon steel / Mild steel / Structural steel / Stainless steel / Aluminum / Copper, etc.
► Forms: Sheets / Profiles / Tubes / Round bars / Flat bars / Square bars, etc.
Drawing Design & Confirm
Obtain drawings from clients or produce drawings based on their samples or specifications.
The drawings, product raw materials, surface treatment, and other details are attested to by both parties.
Why choose us
Stable high temperature performance
- The working temperature range is -200°C to 400°C, and it still maintains more than 85% strength under high temperatures.
Adaptable
- Complete specifications from M6 to M64 to meet diverse installation needs.
Extremely high dimensional accuracy
- The tolerance is controlled within ±0.05mm to ensure even load distribution.
Excellent earthquake resistance
- In the vibration test, the preload force attenuation is 60% lower than that of ordinary washers.
Advantages
Extremely high load carrying capacity
Heavy duty washers are cold forged or heat treated. Its hardness can reach HRC 28-32. The tensile strength exceeds 800 MPa, which is more than 1.5 times that of ordinary low carbon steel washers.
For example, an M20 washer can withstand a static load of approximately 12 tons. It effectively disperses bolt pressure. This reduces the risk of joint crushing by 70%. It is especially suitable for ultra-high load scenarios such as wind power tower flanges.
Anti-fatigue properties
The gasket surface is hardened. Its friction coefficient is stable at 0.15-0.20. In the vibration test (amplitude ±2mm, frequency 30Hz), the joint can be kept tight with the locknut for more than 50,000 cycles.
This lasts 3 times longer than an unused system. For dynamic load equipment such as railway bridges, this feature can directly reduce the annual maintenance frequency by 75%.
Anti-loosening and anti-seismic
The gasket adopts a thickened design, and the thickness is usually 200%-300% of the standard product. This significantly increases rigidity. In a vibrating environment, it can maintain a more stable preload force.
According to DIN 65151 standard testing, the preload force of connections using heavy-duty washers only decays by 15% after 2000 cycles. Ordinary washer sets will attenuate more than 50%. This property is critical for critical connections such as wind turbine blade bolts.
Dimensional stability
The gasket is manufactured using precision stamping and CNC turning processes. Its inner and outer diameter tolerance can be controlled within ±0.05mm. The parallelism error is less than 0.1mm.
For example, in aerospace assembly, the stacked thickness deviation of 100 washers does not exceed 0.5mm. This high precision improves the uniformity of bolt load distribution by 40%.
Price & Order
Provide a quote, ensure that the order quantity is accurate, and include all relevant details,
such as the terms of payment, the terms of trade, the type of packaging, etc.
Production & Shipping
Follow the original drawings and samples exactly when producing the goods.
It was carefully packaged and delivered to the clients following a final inspection.
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