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HRC42 - 45 Hard Chromed Shock Absorber Piston Rod 390mm Length With Coating 25mm

Categories Shock Absorber Piston Rod
Brand Name: XIAYI
Model Number: K25-50-1211-3
Certification: IATF16949:2016
Place of Origin: NINGBO
MOQ: 150 sets
Price: USD1.3 ~ 1.6 /set
Payment Terms: L/C, T/T, Western Union
Supply Ability: 500 sets per day
Delivery Time: 15-25days after PO confirmed
Packaging Details: 10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Outer Diameter: 12.5MM
Total Length: 390MM
OD of one end: M8 X 1.25
OD of another end: M10 X 1.25
Material: S 45 C
Coaxiality: 0.05
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HRC42 - 45 Hard Chromed Shock Absorber Piston Rod 390mm Length With Coating 25mm

HRC42 - 45 Hard Chromed Shock Absorber Piston Rod 390mm Length With Coating 25mm

Chrome Plated Rod Specification:

Diameter: Φ 6-500 mm
Length: max 16m
Chrome layer: 20 micron (min)
Hardness of the chrome layer: 800HV-1150HV
Diameter tolerance: ISO f7
Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.

Descriptions of Chrome Plating Piston Rod for Shock Absorber

Outer DiameterØ12.5(-0.01/-0.03)
Total Length390mm
Steel MaterialCK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
Chrome Hardness950 HV Min
RoughnessRz 0.2 Micron Max

Supply condition

1. Hard Chrome Plated
2. Induction Hardened
3. Dehydrogenation & Tempered

Manufacturing Main Process description:
1. Hydraulic Steel Raw Material Cutting
2. CNC Machining + additional broaching and milling operations
3. Induction Hardening
4. Chrome Plating
5. Dehydrogenation and Tempering
6. Polish and Superfinish Polish
7. 100% Inspection
8. Craft Boxes and Wooden Case Packaging


Surface treatmentBlackening, polishing, anodize, chrome plating, zinc plating, nickel plating, grinding…
Quality AssuranceIATF16949:2016 certified/SGS/TUV
Drawing formatsSolid works, Pro/Engineer, AutoCAD, UG, PDF

Equipment used

Japan 5-axis TSUGAMI-B-038T CNC turing machine
Japan 4-axis GAMA DMN-650 machining center
Cylindrical Bore Grinders
Wire EDM
Magnetic grinding machine/ grinding Vibration machining
Ultrasonic cleaning machine
Vacuum packing machine

Inspection device

VMS2.5d measuring machine
Japan Mitutoyo tool microscope
Japan Mitutoyo digimatic micrometer
Japan Mitutoyo hardness tester
Japan Mitutoyo calipers
Japan Mitutoyo dial indicator
Japan Mitutoyo height measuring tool
Japan Mitutoyo tubular inside micrometer
Japan Marble platform
Go No Go gauge
Electronic digital display caliper Ring gauges

Industry used

Machinery; heavy duty equipment; electronic device; Auto spare parts; optical telecommunication…


1. Always being Reliable, Professional and Proactive.
2. More than 15 years in the CNC precision machining industry.
3. Japan Tsugami CNC machines, with cutting edge CNC solution.
4. IATF16949 : 2016 Quality control system, we not only provide qualified products, but also care about perfect looking surface.

Other questions:

Q1. Dispatch seaport?

A1: Guangzhou, Ningbo, Shanghai

Q2. What other service can you offer?

A2: OEM service, welcome to send us the design drawing to develop a new product line.

Customized service, we can help you to design your packing.

Q3. How can I get the warranty?

A3: During the warranty period, any products damaged because of the quality problem can be changed for free. We provide one year warranty start from the purchase date, but it does not include damages result from any of the following situations:

Racing accidents

Improper installation

Disassembly or modifications


Product Tags:

hydraulic piston rod


hollow piston rod

Quality HRC42 - 45 Hard Chromed Shock Absorber Piston Rod 390mm Length With Coating 25mm for sale
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