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- Contact Person : Ms. Xiao Yuan
- Company Name : Ningbo Jiangbei Hyper Auto Co., Ltd.
- Tel : 86-574-87529744
- Fax : 0574-87529744
- Address : Zhejiang,Ningbo,Room 215 Block 1 No.548 Daqing North Road,Jiangbei,Ningbo,Zhejiang
- Country/Region : China
- Zip : 315000
chromed heat treatment hollow piston rods
Product Detailed
Related Categories:Suspension System
Shock Absorber heat treatment piston rods
1.Material:SAE1045
2.Surface:Hard Chromed/QPQ
3.Surface roughness:Ra0.1/Rz0.2~0.4
| Material | According to user requirements(SAE1035/SAE1045/SAE5140) |
| Specifications | Φ4 ~ Φ40 |
| Length | 30-1000 |
| Straightness | 0.02x300 |
| Roundness | 0.01 |
| Cylindricity | 0.02 |
| Concentricity | 0.04 |
| Machining accuracy | ISO 2768-1-f |
| Surface roughness | Rz0.2~0.4 / Ra0.1 |
| Induction hardness | HRC35~HRC65 |
| Case depth | 0.4~2.0 |
| Axis hardness | HB220~280 |
| Availability status | Chromed/QPQ |
| Thickness of chromed | According to user requirements(5~40um) |
| Hardness | 900Hv(50gm) |
| Cracks | 30 ~ 60/mm |
| Salt spray | 48hrs no.7~500hrs no.7 |
Chemical Composition | CK35 | CK45 |
| C | 0.32~0.39% | 0.42~0.50% |
| Mn | 0.50~0.80% | 0.50~0.80% |
| Si | 0.17~0.37% | 0.17~0.37% |
| Cr | 0.25% Max | 0.25% Max |
| Ni | 0.30% Max | 0.30% Max |
| Cu | 0.25% Max | 0.25% Max |
| Mechanical Properties | CK35 | CK45 |
| Tensile Strength | 530MPa | 600MPa |
| Yield Strength | 315MPa | 355MPa |
| Elongation | 20% | 16% |
Standard Charpy Impact Strength | 55J | 39J |
| Core Hardness | 197HBS | 229HBS |
Mechanical Properties After Cold Drawn | CK35 | CK45 |
| Tensile Strength | 630-860MPa | 900MPa Max |
| Yield Strength | 520 MPa Min | 650MPa Min |
| Elongation | 7% Min | 10% Min |
Standard Charpy Impact Strength | 15J Min | 15J Min |
| Core Hardness | 200-240BHN | 200-240BHN |
| Ratio | 0.92 Max | 0.92 Max |
chromed heat treatment hollow piston rods
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