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Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
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Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
  • name
  • name

Stable Performance Shock Absorber Piston Rod Under Harsh Conditions

MOQ: 150 sets
Price: USD0.7 ~ 0.9 /set
Standard Packaging: 10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Delivery Period: 15-25days after PO confirmed
Payment Method: L/C,T/T,Western Union
Supply Capacity: 500 sets per day
Detail Information
Product Description
Detail Information
Place of Origin
NINGBO,CHINA
Brand Name
XIAYI
Certification
IATF16949:2016
Model Number
K25-50-1209-2
Outer Diameter:
12.5MM
Total Length:
210MM
OD Of One End:
M8 X 1.25
OD Of Another End:
M10 X 1.25
Material:
S 45 C
HRC:
> 48
Product Description
Stable Performance Shock Absorber Piston Rod Under Harsh Conditions

When shock absorbers operate in harsh environments — off-road terrain, mining equipment, agricultural machinery, or extreme climate zones — the piston rod faces simultaneous challenges: thermal cycling, impact loading, abrasive contamination, and corrosive exposure. Our Stable Performance Piston Rod is engineered to maintain consistent mechanical properties and dimensional stability under these punishing conditions. Through controlled induction hardening, thorough dehydrogenation and tempering, and precision chrome plating, every rod delivers predictable, repeatable performance when the operating environment offers no margin for failure.

Uncompromising Stability in Extreme Temperatures, Heavy Loads, and Corrosive Environments

Thermal Stability: The induction hardened and tempered microstructure maintains yield strength ≥350 MPa and tensile strength ≥580 MPa across a wide operating temperature range, resisting softening even under sustained high-frequency cycling that generates significant heat buildup.

Impact Load Resilience: High surface hardness (950 HV chrome layer, >48 HRC core) combined with excellent Charpy impact values ensures the rod withstands sudden shock loads from potholes, road debris, and off-road terrain without bending or surface damage.

Corrosion Endurance: Hard chrome plating creates a dense, impermeable barrier against moisture, road salt, mud, and chemical exposure — preserving surface integrity in the harshest field conditions.

Consistent Straightness Under Load: Straightness maintained at ≤0.2 mm per 1000 mm even after thermal cycling and mechanical loading, preventing seal lip distortion and ensuring uniform oil film distribution.

Product Specifications
Outer DiameterØ12.5 (-0.01/-0.03) mm
Total Length210 mm
Steel Material45# DIN CK45 / JIS 45C and 35# DIN CK35 / JIS 35C
Chrome Hardness950 HV Minimum
Surface RoughnessRz 0.2 μm Maximum
Straightness≤ 0.2 mm / 1000 mm
Supply Condition Options
  • Hard Chrome Plated
  • Induction Hardened
  • Dehydrogenation & Tempered
Manufacturing Process
  1. Hydraulic Steel Raw Material Cutting
  2. CNC Machining with Broaching & Milling Operations
  3. Induction Hardening
  4. Chrome Plating
  5. Dehydrogenation & Tempering
  6. Polish & Superfinish Polish
  7. 100% Final Inspection
  8. Craft Boxes & Wooden Case Packaging
Quality Assurance & Capabilities
Quality SystemIATF 16949:2016 Certified / SGS / TÜV
Surface TreatmentsBlackening, Polishing, Anodize, Chrome Plating, Zinc Plating, Nickel Plating, Grinding
Drawing FormatsSolidWorks, Pro/Engineer, AutoCAD, UG, PDF
Core EquipmentJapan TSUGAMI B-038T 5-Axis CNC Turning, Japan GAMA DMN-650 4-Axis Machining Center, Cylindrical Bore Grinders, Wire EDM, Magnetic Grinding & Vibration Machining, Oven, Ultrasonic Cleaning, Vacuum Packing
Inspection InstrumentsVMS 2.5D Measuring Machine, Mitutoyo Tool Microscope, Mitutoyo Digimatic Micrometer, Mitutoyo Hardness Tester, Mitutoyo Calipers, Mitutoyo Dial Indicator, Mitutoyo Height Gauge, Mitutoyo Tubular Inside Micrometer, Marble Platform, Go/No-Go Gauges, Electronic Digital Caliper, Ring Gauges
Industry ApplicationsMachinery, Heavy-Duty Equipment, Electronic Devices, Auto Spare Parts, Optical Telecommunication
Our Advantages
  • 15+ years of CNC precision machining expertise with a proven track record
  • Japan TSUGAMI CNC machines delivering industry-leading consistency and accuracy
  • IATF 16949:2016 certified quality management — functional excellence and cosmetic perfection
  • Always reliable, professional, and proactive in communication and service
Frequently Asked Questions

Q1: What makes this rod suitable for harsh operating conditions?

Three engineering factors work together: (1) induction hardening provides a deep, wear-resistant case; (2) dehydrogenation and tempering eliminates hydrogen embrittlement risk while optimizing core toughness; (3) hard chrome plating (950 HV minimum) creates a corrosion-resistant, low-friction surface. The combination ensures reliable performance where standard rods would fail prematurely.

Q2: Can this rod be used in off-road and agricultural equipment?

Yes — it is specifically designed for these demanding applications. The impact resistance from the hardened and tempered core, combined with chrome's corrosion protection, makes it well-suited for construction, mining, agricultural, and off-road vehicle dampers.

Q3: Are you a manufacturer or trading company?

We are a direct manufacturer with over 15 years in precision CNC machining. Factory audits are welcome at our IATF 16949:2016 certified facility in Ningbo, China.

Q4: What is your typical production lead time?

5 working days for in-stock items; 15–45 days for mass production orders.

Q5: Do you provide material certifications and test reports?

Yes. Mill certificates with full chemical composition and mechanical property data are included. Additional testing — including hardness profiles, salt spray reports, and dimensional inspection reports — is available upon request.

Q6: From which seaports do you export?

Guangzhou, Ningbo, and Shanghai, with routing optimized for your destination.

Q7: What warranty applies?

12-month warranty covering manufacturing defects with free replacement. Excludes racing damage, improper installation, or unauthorized modification/disassembly.

Product Image Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
Tags: 

hydraulic piston rod,  

hollow piston rod,  

shock absorber rod

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Products
PRODUCTS DETAILS
Products

Shock Absorber Parts

Shock Absorber Piston

Banded Piston

Shock Absorber Mounting

Shock Absorber Guide

Shock Base Valve

Shock Oil Seal

Shock Valve Shims

Shock Absorber Bracket

Shock Absorber Piston Rod

Shock Piston Machine

Du Bushing

PTFE Bands

PTFE Ring Gasket

PTFE Parts

Guide Ring
Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
  • name
  • name
Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
MOQ: 150 sets
Price: USD0.7 ~ 0.9 /set
Standard Packaging: 10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Delivery Period: 15-25days after PO confirmed
Payment Method: L/C,T/T,Western Union
Supply Capacity: 500 sets per day
Detail Information
Product Description
Detail Information
Place of Origin
NINGBO,CHINA
Brand Name
XIAYI
Certification
IATF16949:2016
Model Number
K25-50-1209-2
Outer Diameter:
12.5MM
Total Length:
210MM
OD Of One End:
M8 X 1.25
OD Of Another End:
M10 X 1.25
Material:
S 45 C
HRC:
> 48
Minimum Order Quantity:
150 sets
Price:
USD0.7 ~ 0.9 /set
Packaging Details:
10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Delivery Time:
15-25days after PO confirmed
Payment Terms:
L/C,T/T,Western Union
Supply Ability:
500 sets per day
Product Description
Stable Performance Shock Absorber Piston Rod Under Harsh Conditions

When shock absorbers operate in harsh environments — off-road terrain, mining equipment, agricultural machinery, or extreme climate zones — the piston rod faces simultaneous challenges: thermal cycling, impact loading, abrasive contamination, and corrosive exposure. Our Stable Performance Piston Rod is engineered to maintain consistent mechanical properties and dimensional stability under these punishing conditions. Through controlled induction hardening, thorough dehydrogenation and tempering, and precision chrome plating, every rod delivers predictable, repeatable performance when the operating environment offers no margin for failure.

Uncompromising Stability in Extreme Temperatures, Heavy Loads, and Corrosive Environments

Thermal Stability: The induction hardened and tempered microstructure maintains yield strength ≥350 MPa and tensile strength ≥580 MPa across a wide operating temperature range, resisting softening even under sustained high-frequency cycling that generates significant heat buildup.

Impact Load Resilience: High surface hardness (950 HV chrome layer, >48 HRC core) combined with excellent Charpy impact values ensures the rod withstands sudden shock loads from potholes, road debris, and off-road terrain without bending or surface damage.

Corrosion Endurance: Hard chrome plating creates a dense, impermeable barrier against moisture, road salt, mud, and chemical exposure — preserving surface integrity in the harshest field conditions.

Consistent Straightness Under Load: Straightness maintained at ≤0.2 mm per 1000 mm even after thermal cycling and mechanical loading, preventing seal lip distortion and ensuring uniform oil film distribution.

Product Specifications
Outer DiameterØ12.5 (-0.01/-0.03) mm
Total Length210 mm
Steel Material45# DIN CK45 / JIS 45C and 35# DIN CK35 / JIS 35C
Chrome Hardness950 HV Minimum
Surface RoughnessRz 0.2 μm Maximum
Straightness≤ 0.2 mm / 1000 mm
Supply Condition Options
  • Hard Chrome Plated
  • Induction Hardened
  • Dehydrogenation & Tempered
Manufacturing Process
  1. Hydraulic Steel Raw Material Cutting
  2. CNC Machining with Broaching & Milling Operations
  3. Induction Hardening
  4. Chrome Plating
  5. Dehydrogenation & Tempering
  6. Polish & Superfinish Polish
  7. 100% Final Inspection
  8. Craft Boxes & Wooden Case Packaging
Quality Assurance & Capabilities
Quality SystemIATF 16949:2016 Certified / SGS / TÜV
Surface TreatmentsBlackening, Polishing, Anodize, Chrome Plating, Zinc Plating, Nickel Plating, Grinding
Drawing FormatsSolidWorks, Pro/Engineer, AutoCAD, UG, PDF
Core EquipmentJapan TSUGAMI B-038T 5-Axis CNC Turning, Japan GAMA DMN-650 4-Axis Machining Center, Cylindrical Bore Grinders, Wire EDM, Magnetic Grinding & Vibration Machining, Oven, Ultrasonic Cleaning, Vacuum Packing
Inspection InstrumentsVMS 2.5D Measuring Machine, Mitutoyo Tool Microscope, Mitutoyo Digimatic Micrometer, Mitutoyo Hardness Tester, Mitutoyo Calipers, Mitutoyo Dial Indicator, Mitutoyo Height Gauge, Mitutoyo Tubular Inside Micrometer, Marble Platform, Go/No-Go Gauges, Electronic Digital Caliper, Ring Gauges
Industry ApplicationsMachinery, Heavy-Duty Equipment, Electronic Devices, Auto Spare Parts, Optical Telecommunication
Our Advantages
  • 15+ years of CNC precision machining expertise with a proven track record
  • Japan TSUGAMI CNC machines delivering industry-leading consistency and accuracy
  • IATF 16949:2016 certified quality management — functional excellence and cosmetic perfection
  • Always reliable, professional, and proactive in communication and service
Frequently Asked Questions

Q1: What makes this rod suitable for harsh operating conditions?

Three engineering factors work together: (1) induction hardening provides a deep, wear-resistant case; (2) dehydrogenation and tempering eliminates hydrogen embrittlement risk while optimizing core toughness; (3) hard chrome plating (950 HV minimum) creates a corrosion-resistant, low-friction surface. The combination ensures reliable performance where standard rods would fail prematurely.

Q2: Can this rod be used in off-road and agricultural equipment?

Yes — it is specifically designed for these demanding applications. The impact resistance from the hardened and tempered core, combined with chrome's corrosion protection, makes it well-suited for construction, mining, agricultural, and off-road vehicle dampers.

Q3: Are you a manufacturer or trading company?

We are a direct manufacturer with over 15 years in precision CNC machining. Factory audits are welcome at our IATF 16949:2016 certified facility in Ningbo, China.

Q4: What is your typical production lead time?

5 working days for in-stock items; 15–45 days for mass production orders.

Q5: Do you provide material certifications and test reports?

Yes. Mill certificates with full chemical composition and mechanical property data are included. Additional testing — including hardness profiles, salt spray reports, and dimensional inspection reports — is available upon request.

Q6: From which seaports do you export?

Guangzhou, Ningbo, and Shanghai, with routing optimized for your destination.

Q7: What warranty applies?

12-month warranty covering manufacturing defects with free replacement. Excludes racing damage, improper installation, or unauthorized modification/disassembly.

Product Image Stable Performance Shock Absorber Piston Rod Under Harsh Conditions
Tags: 

hydraulic piston rod,

hollow piston rod,

shock absorber rod

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Tel:

86--13586885132

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