Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Tensile strength | 980-1180 MPa |
| Elastic recovery | ≥85% |
| Temperature range | -40°C to 120°C |
| Fatigue resistance | ≥10⁷ cycles |
| Young's modulus | 206 GPa |
| Load capacity | up to 500 kN |
| Speed rating | ≥10,000 RPM |
| Corrosion resistance | 5000 hours salt spray |
| Passivation thickness | ≥0.5μm |
| Max temperature | 650°C |
| Thermal stability | 80% strength at 500°C |
| Load variation | ±3% |
| Force multiplication | up to 4x |
| Hardness range | HRc 42-52 |
| Phosphating thickness | 5-15μm |
| Operating range | -270°C to 800°C |
| Load cycles | 10³ to 10⁹ |
| Material grades | 65Mn, 50CrVA, SUS304, SUS316, Inconel718 |
| Surface treatments | phosphating, black oxide, passivation |
| Stress distribution | finite element analysis |
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
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Product Specification
| Tensile strength | 980-1180 MPa | Elastic recovery | ≥85% |
| Temperature range | -40°C to 120°C | Fatigue resistance | ≥10⁷ cycles |
| Young's modulus | 206 GPa | Load capacity | up to 500 kN |
| Speed rating | ≥10,000 RPM | Corrosion resistance | 5000 hours salt spray |
| Passivation thickness | ≥0.5μm | Max temperature | 650°C |
| Thermal stability | 80% strength at 500°C | Load variation | ±3% |
| Force multiplication | up to 4x | Hardness range | HRc 42-52 |
| Phosphating thickness | 5-15μm | Operating range | -270°C to 800°C |
| Load cycles | 10³ to 10⁹ | Material grades | 65Mn, 50CrVA, SUS304, SUS316, Inconel718 |
| Surface treatments | phosphating, black oxide, passivation | Stress distribution | finite element analysis |
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | steel bearing spring ，steel bearing disc spring ，50crva bearing spring | ||
Material selection directly impacts the preload stability, fatigue life, and environmental resilience of Bearing Preload Disc Springs (both grooved and grooveless series). Our engineering team has developed a specialized material portfolio tailored to diverse industrial operating conditions, ensuring each application receives optimal elastic performance and durability.
All materials are precision-machined to complement the annular geometry of bearing disc springs, ensuring uniform load distribution (±3% load variation) and load multiplication efficiency (up to 4x force output with equivalent displacement) across parallel spring stacks.
Our materials undergo rigorous quality control protocols including ultrasonic flaw detection, hardness testing (HRc 42-52 per material grade), and mechanical property verification (tensile, yield, and impact strength). Surface treatments are selectively applied based on application needs: phosphating (5-15μm coating thickness) for enhanced wear resistance, black oxide for improved lubricity, and passivation for maximum corrosion protection.
Each material's mechanical properties are computationally matched to spring geometry using finite element analysis, ensuring optimal stress distribution under dynamic preload conditions. Our metallurgical engineers provide personalized material selection consulting, analyzing factors such as operating temperature range (-270°C to 800°C), load cycles (10³ to 10⁹), and environmental contaminants. For unique operating parameters, we offer custom alloy development with rapid prototyping capabilities, including powder metallurgy and heat treatment optimization.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
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