SUNZO SUS304 Disc Spring (Belleville Washer) - Corrosion Resistant, High Load Capacity with Custom Stacking Configurations for Industrial Use
Product Details
| Material Composition: | 18-20% Chromium, 8-10.5% Nickel | Tensile Strength: | 515-700 MPa |
|---|---|---|---|
| Yield Strength: | ≥205 MPa | Elastic Modulus: | 193 GPa |
| Load Capacity: | Up To 50 KN | Permanent Deformation: | <0.2% Set After 10⁶ Cycles |
| Outer Diameter: | 6mm-200mm | Inner Diameter: | 3.2mm-102mm |
| Thickness: | 0.3mm-5.5mm | Load Type: | Compression |
| Shape: | Flat | Production Process: | Hot Roll |
| Surface Treatments: | Passivation, Electropolishing, PTFE Coating | Salt Spray Testing: | 1,000-hour (ASTM B117) |
| Load-Deflection Verification: | ISO 16148 | Material Analysis: | X-ray Fluorescence |
| Stainless Steel Grade: | SUS 302 | Chromium Oxide Layer: | Self-healing |
| Non-linear Load-Deflection: | Broad Characteristics | Stacking Configurations: | Parallel, Series, Nested |
| Highlight |
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Product Description
Industrial environments frequently expose components to aggressive conditions including chemical exposure, high humidity, saltwater, and temperature fluctuations. The SUNZO SUS304 Disc Spring is specifically engineered to thrive in these challenging settings, leveraging the inherent properties of SUS304 stainless steel to deliver exceptional performance and operational reliability.
Composed of 18-20% chromium and 8-10.5% nickel, this alloy forms a passive chromium oxide layer that self-heals when damaged, providing superior resistance to:
- Rust and oxidation
- Organic and inorganic chemicals
- Humid atmospheres
- Saltwater environments
Ideal for applications in chemical processing plants, food and beverage machinery, marine equipment, and coastal industrial facilities.
| Property | Value |
|---|---|
| Tensile Strength | 515-700 MPa |
| Yield Strength | ≥205 MPa |
| Elastic Modulus | 193 GPa |
| Dynamic Load Capacity | Up to 50 kN |
| Permanent Deformation | <0.2% set after 10⁶ cycles |
The conical design ensures high stiffness-to-volume ratio, delivering excellent shock absorption and vibration dampening—critical for protecting sensitive industrial equipment from mechanical stress.
Broad non-linear load-deflection characteristics allow customization through modular stacking configurations:
- Parallel stacking: Increases load capacity while maintaining stiffness
- Series stacking: Enhances deflection range
- Nested combinations: Achieve complex force profiles
Suitable for diverse industrial applications including valve actuation systems in chemical reactors and clamping mechanisms in food processing lines.
Specialized surface treatments tailored to application needs:
- Passivation (ASTM A967): Removes free iron particles to reinforce corrosion resistance
- Electropolishing: Creates smooth, low-friction surface ideal for hygienic food machinery
- PTFE Coating: Provides chemical inertness for extreme environments
All SUS304 disc springs undergo rigorous testing including:
- 1,000-hour salt spray testing (ASTM B117)
- Load-deflection curve verification (ISO 16148)
- Material composition analysis via X-ray fluorescence
Available in standard sizes and custom-engineered solutions:
| Dimension | Range |
|---|---|
| Outside Diameter (OD) | 6mm - 200mm |
| Inside Diameter (ID) | 3.2mm - 102mm |
| Thickness | 0.3mm - 5.5mm |
Product Highlights
SUNZO SUS304 disc springs offer superior corrosion resistance with 18-20% chromium content, withstand heavy loads up to 50 kN, and provide excellent shock absorption. Available in standard sizes and custom options with specialized surface treatments for demanding industrial environments.
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