300mm DIN 2093 Disc Spring Phosphating Dacromet Coating Belleville Springs
Product Details
| Material Options: | High-carbon Steels (1074/65Mn), Superalloys (Inconel 718) | Temperature Resistance: | -270°C To 650°C |
|---|---|---|---|
| Fatigue Life: | >10⁸ Cycles At 70% Yield Strength | Outer Diameter Range: | 5mm-300mm |
| Thickness Range: | 0.2mm-10mm | Load-deflection Tolerance: | ±3% |
| Stacking Configurations: | Parallel (increased Load), Series (enhanced Deflection) | Surface Treatments: | PTFE Coating, Zinc Plating |
| Compliance Standards: | DIN 2092, ISO 16148 | Testing Methods: | Ultrasonic Flaw Detection, ASTM B117 Salt Spray |
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Product Description
- Terminology Clarification: "Disc spring" and "Belleville washer" are functionally identical, with differences originating from historical naming conventions
- Material Performance: Options range from high-carbon steels (1074/65Mn) to superalloys like Inconel 718, with temperature resistance from -270°C to 650°C and fatigue life exceeding 10⁸ cycles at 70% yield strength
- Stacking Design Flexibility: Modular configurations including parallel stacking for increased load capacity in flange connections and series stacking for enhanced deflection in automotive suspension applications
- Surface Treatment Options: Comprehensive coatings including PTFE, zinc plating, phosphating, and Dacromet for superior corrosion resistance
Product Highlights
SUNZO disc springs (Belleville washers) offer superior axial preload with DIN/ISO compliance. Choose from high-carbon steels to superalloys (-270°C to 650°C), custom sizes (5-300mm OD), and surface treatments. Rigorous testing ensures >10⁸ cycle fatigue life.
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