Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Wall thickness | 3.5-8.0mm |
| Radial stiffness | 280-450N/mm |
| Load variance | ±2% |
| Stack quantity | 4-12 pieces |
| Load multiplication ratio | 4.2-6.8x |
| Compression at ratio | 1.2mm |
| Preload range | 5-25kN |
| Axial play | <0.02mm |
| Material composition | 60Si2MnA spring steel (0.62%C-2.05%Si-1.05%Mn) |
| Heat treatment | 870°C quenching + 480°C tempering |
| Hardness | HRC 47-51 |
| Tensile strength | 1900MPa |
| Plating thickness | 60-80μm |
| Surface hardness | 450HV |
| Salt spray resistance | 1000-hour per ASTM B117 |
| Operating temperature | -30°C to 150°C |
| Shock load resistance | 300% of rated load |
| Fatigue life | 5×10⁶ cycles |
| Preload decay | <8% |
| Bearing compatibility | Timken 32000 series, SKF BT2 series |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
View Detail Information
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Product Specification
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Wall thickness | 3.5-8.0mm |
| Radial stiffness | 280-450N/mm | Load variance | ±2% |
| Stack quantity | 4-12 pieces | Load multiplication ratio | 4.2-6.8x |
| Compression at ratio | 1.2mm | Preload range | 5-25kN |
| Axial play | <0.02mm | Material composition | 60Si2MnA spring steel (0.62%C-2.05%Si-1.05%Mn) |
| Heat treatment | 870°C quenching + 480°C tempering | Hardness | HRC 47-51 |
| Tensile strength | 1900MPa | Plating thickness | 60-80μm |
| Surface hardness | 450HV | Salt spray resistance | 1000-hour per ASTM B117 |
| Operating temperature | -30°C to 150°C | Shock load resistance | 300% of rated load |
| Fatigue life | 5×10⁶ cycles | Preload decay | <8% |
| Bearing compatibility | Timken 32000 series, SKF BT2 series | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | Grooveless Bearing Disc Spring ，Bearing Disc Spring 60Si2MnA ，Steel clutch diaphragm | ||
| Material | High-strength 60Si2MnA spring steel (0.62%C-2.05%Si-1.05%Mn) |
|---|---|
| Heat Treatment | 870°C quenching + 480°C tempering |
| Hardness | HRC 47-51 |
| Tensile Strength | 1900MPa |
| Surface Treatment | Mechanical zinc plating (60-80μm thickness) |
| Surface Hardness | 450HV |
| Corrosion Protection | 1000-hour salt spray resistance per ASTM B117 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat... Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat...
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