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Factory OEM Industrial Shock Absorbers Piston for Auto Chassis System

Product Description

Product Description

Product Profiles

Powder metallurgy is a mixture of metal powder and non-metal powder as a raw material. The process is completed by molding, sintered, precision shaping, surface treatment.
The powder metallurgy process can produce hundreds of parts of various types, and can design and produce structural parts with complex geometric shapes and high mechanical properties and precision requirements.
Powder metallurgy material include: stainless steel, copper base, iron base. Products include power tool parts, oil-impregnated bearings, gears, special-shaped parts, electrical components, medical equipment, lock parts, stainless steel parts, garden tool parts, Auto parts, mechanical transmission parts, hardware accessories, etc. The products are closely matched with domestic and foreign mechanical parts manufacturers, most of which are exported to developed countries such as Europe and America.

Products Details Data

Iron Base
Density: 6.4~7.4
Hardness: 40~60 HB
Copper Base
Density: 6.5~7.3
Hardness: 45~65 HB
Stainless Steel
Density: 6.8~7.5
Hardness: 50~70 HB

Mixed Powder 
Molding Processing

Surface Treatment
Heat Treatment
Steam Oxidation

Main Advantages

1) Powder metallurgy can ensure the accuracy and uniformity of the material composition ratio.
2) Suitable for producing products of the same shape and large quantities, low production cost.
3) The production process is not afraid of oxidation, and no material pollution will occur.
4) No subsequent machining processing is required, saving materials and reducing costs.
5) Most difficult metals and compounds, pseudo alloys, porous materials can only be manufactured by powder metallurgy

Detailed Images

Powder Metallurgy Shock Absorber Parts

Shock Absorber Piston
Shock Absorber Rod Guide 
Shock Absorber base valve

Powder metallurgy piston, rod guide, base valve and valve bodies are mainly used in shock absorber for automobles, motorcycles, electric vechicles and bicycles.

Surface: PTFE Coating, Steam oxidation treatment, Bushing inserted

Powder Metallurgy Gears

Oil Pump Rotors
Powder metallurgy gears are customized of copper, iron and mixed additives. Gears are widely used in powder tool , auto, oil pump, etc.

Hardness: (High frequency quenching)> HRA60, (Integrated quenching) HRC40

Surface: No cracks, impurities, Density 6.7~7.1g/cm2

Tensile strength 820mpa, Yield strength 682mpa

Powder Metallurgy Bushing

Iron/Bronze/Brass material Bushing

The advantage of self-lubricating bearings:

Dry work condition, provides maintenance free operation.

Can be applied in dirty and corrosion environment.

With lower wear rate and long service life.

Mass production, short production cycle, low production cost and not expensive tooling fee.

Available in all international standards like JIS, DIN, MPIF, SAE, GB.

Powder Metallurgy Other Parts

Powder metallurgy other parts, such as refrigerator and air conditioning compressor parts, including connecting rods, valve plates, pistons. The main materials are iron powder, nickel powder and molybdenum powder.

Locks, power tools, auto clutches, printer parts.

Stainless steel parts can enhance the physical properties of stainless steel powder metallurgical products through heat treatment such as carburizing and quenching.

About Us

Factory Equipments

With our own automatic hydraulic machines, automatic mechanical pressers, vacuum furnaces, high-precision EDM machines, CNC machine equipment, grinders etc.
Quality control: universal testing machine, tensile testing machine, hardness equipment, density equipment, metalloscope, optics image instrument, etc.

Packing & Delivery

Plastic Bag Packing

Generall Inner packing: Rust-proof, waterproof plastic bag, suitable for products with smaller dimension.

Anti-rust Paper Packing

Anti-rust kraft paper for products with standard shapes or oil-immersed surfaces

Cartong/Belt+Wooden Case

Freight packing:Sealed wooden boxes or pallets to prevent product damage

Recommend Products
Our Service

Dolphin Service

DEWIN has a rich experience for 18 years. All staffs of the company are devoted to making it become the most professional supplier with most valuable and best services (we call it Dolphin service) for clients around the world. 

1, Dolphin service means we help you filter bad options, and make better choices in an efficient way.
2, We are professional to provide real information and help people choose suppliers and products you want. Always keeping real to products and clients is our faith, and never changed.
3, we are always strict with suppliers and products that we provide and make sure the control of the entire production process. In order to make it implement, usually we go to factories to get full supervision, and make inspection reports regularly.

In addition, advanced price comparison, advanced logistic service, advanced technology consultation and risk control service are provided here for clients.


1. What are the differetiates between Dewin with other supplier?
Profeession and reliability.
Our advantages are multiple available technologies, strong quality assurance, and good at project & supply chain management.

2. Is there a cost for Dewin service?
There is no additional cost above the product and tooling price except third party service.

3. Will I be able to visit the supplier myself?
First, all of our supply partner has undergone a series of screening and audit process, we can provide complete audit report to you.
Secondly, if you want to perform your own independent supplier audit procedure, our representitives can accompany and assit with you to achieve it.

4. How to deal with the quality problem?
a. With our partners we perform APQP at an early stage in each project.
b. Our factory must fully understand the quality concerns from customers and implement product & process quality requirements.
c. Our quality professionals who perform patrol inspection in our factories.We perform final inspection before the goods are packed.
d. We have 3rd party inspectors who perform final audit checks on the packed goods prior to dispatch from China.

5. Can you take responsibility for me?
Of course, I'm happy to help you! But I just take responsibility for my products.
Please offer a test report, if it was our fault, absolutely we can make a compensation for you, my friend!

6. Do you like to serve the client only with small orders?
We enjoy to grow up together with all our clients whatever big or small.
You will become bigger and bigger to be with us.

Contact us if you need more details on Shock Absorbers Piston. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Piston For Auto Chassis System、Industrial Shock Absorbers Piston. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Shock Absorber Parts > Shock Absorber Piston

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