Ningbo XiaYi Electromechanical Technology Co.,Ltd.
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 30,000 pcs per month |
| Delivery Time | Two weeks after payment |
| Packaging Details | According to customer’s demand |
| Product Name | sinter piston |
| Material | Fe-C-Cu |
| Crushing strength | 7.5KN |
| Color | black |
| Application | car shocks |
| Density | 6.8 g/cm3 |
| Outer diameter | 25mm |
| Hardness | HRB60-80 |
| Brand Name | XIAYI |
| Model Number | Φ25mm |
| Certification | ISO9001:2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, L/C | Supply Ability | 30,000 pcs per month |
| Delivery Time | Two weeks after payment | Packaging Details | According to customer’s demand |
| Product Name | sinter piston | Material | Fe-C-Cu |
| Crushing strength | 7.5KN | Color | black |
| Application | car shocks | Density | 6.8 g/cm3 |
| Outer diameter | 25mm | Hardness | HRB60-80 |
| Brand Name | XIAYI | Model Number | Φ25mm |
| Certification | ISO9001:2008 | Place of Origin | China |
| High Light | shock absorber parts ，damper piston | ||
6 oil holes design sinter piston with small grooves used in car shocks
Specifications:
| Physical performance for shock piston (with banding disc) | tensile strength | More than 18MPa |
| elongation @ break | More than 160% | |
| shore hardness (bands) | 57 - 61 | |
| density | 2.06 – 2.19 g/cm3 | |
| wear | Less than 50mg | |
| friction coefficient | Less than 0.2 | |
| hardness (sinter piston) | HRB60-80 | |
| Technical requirements for sinter piston | Raw material F50 - U3 - 66 or FC - 0208 | |
| Steam treatment | ||
| OD tested by digital air gauge | ||
Description:
High quality shock absorber piston, used in various cars and trucks
Properties of banding ring can be tested in our company, we have the following test equipment:
Tensile strength testing machine, friction & abrasion testing machine, density balance, coefficient of linear
expansion testing machine and so on.
We also design and manufacture non-standard testing machine which can do blow-off test after banding.
Adhesion test: ring must be tested in shock absorber according to characteristics below:
Piston must have a minimum diameter of groove.
---pressure tube must have maximum internal diameter
---traction force from 4700 to 5390 N and speed=1.5m/s according to condition below
---course =50mm
---frequency =574RPM
---moment must be applied at the end of piston rod = 3Nm
---temperature = 130/160℃
Ring withstand 10min without deformation on adhesion test.
Properties of the banding ring:
Density = 2.03-2.110g/cm3
Hardness = 57-61 shore “D”
Tensile strength = 16Mpa minimum
Elongation = 300% minimum
Advantage of powder metallurgy:
Unique chemical composition and mechanical physical properties
Facility involved for material Q&C
Chemical composition:
Ø OBLF Spectrometer with 29 channels in bi-metal of AL+FE
Mechanical Property
Ø Hardness test
Ø Mechanical property inspection
Ø Impact inspection
Microstructure:
Ø Microscope Metallographic Analysis as per AQL based on heating number
Structure tightness
Ø Destruction test
Ø Weight test
Applications:
Car or motorbike shock absorbers
Competitive Advantage:
1.Professional manufacturer
2.Close tolerance and high density
3.Uniform heat treatment and steam treatment
4.Precise metal-working finishing
5.Higher mechanical performance
6. Tooling designed by XIAYI can assure the delivery date
7. A whole set of testing equipment
Picture show:
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
2006
Total Annual:
1500000-4000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
XIAYI, founded in 2006, was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. XIAYI is a specialized factory that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery parts and related automatic equipment. XIAYI has a... XIAYI, founded in 2006, was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. XIAYI is a specialized factory that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery parts and related automatic equipment. XIAYI has a...
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