• Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    We do business with each other for long time and will continue our cooperation. Quality partner!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Alexiou Aris
    Good quality and competitive price, I'm sure we will go further and further!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Work together long time, we like friends each other, easy to get along with, very pleasant cooperation!
Contact Person : Leela
Phone Number : 86-13586885132
WhatsApp : +8613586885132

Hard Chrome Plated Ck45 Hydraulic Piston Rod Hollow Solid Design

Place of Origin NINGBO
Brand Name WEIWO
Certification IATF16949:2016
Model Number K25-50-1233-8
Minimum Order Quantity 100 sets
Price USD1.35 ~ 1.65 /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 Details
Outer Diameter 12.5MM Total Length 350MM
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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Product Description

Hard Chrome Plated CK45 Piston Rod With Hollow Or Solid Design For Hydraulic Cylinder




S 0.02%-0.04%
C 0.32%-0.39%
Si ≤0.4%
Mn 0.5%-0.8%
P ≤0.045%
Cr ≤0.20%
Gu ≤0.20%
Ni ≤0.15%
Al ≥0.02%












Descriptions of Chrome Plating Mechanical shafts

Outer Diameter: Ø 6mm-30mm
Total Length: 100mm -550mm
Steel Material: 45# DIN CK45/JIS 45C and 35# DIN CK35/JIS 35C
Chrome Thickness: 10~25 μm
Chrome Hardness: 850 HV Min
Roughness: Ra 0.2 Micron Max
Straightness: 0.2/1000mm
Yield Strength According to the steel material and customer requirement
Tensile Strength According to the steel material and customer requirement
Elongation According to the steel materia
Bend Test According to customer requirement
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 treatment Blackening, polishing, anodize, chrome plating, zinc plating, nickel plating, grinding…
Quality Assurance IATF16949:2016 certified/SGS/TUV
Drawing formats Solid 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…



High Material Grade

CK45 ST52 20MoV6 42CrMo4 40Cr Stainless Steel

Well Mechanical Properties

Tensile strength>600 N/mm² Yield strength>520 N/mm² Elongation>15% Hardness>850 HV


Wide-range spec

Diameter: 6--1000 mm Length: 1000--12000 mm Chrome thickness: >20 um OR Customized


High precision

Straightness<0.05 mm/1000mm Roughness Ra<0.2 um Tolerance: f7


International Standard & Certificate


ISO9001 TS16949


Our service:

1. Price: FOB Ningbo or CIF & CFR Price.

2. Delivery time: within 45 days.

3. Packing: Plastic cloth pakage with Bundle. Both end caps.

4. Marking: on request.

5. Payment: 30% advance and balance again BL copy.

6. Negotaiable Documents: One set of commercial Invoice, Packing list. Bill of Lading.

7. Trade Assurance order is welcomed.



Hard Chrome Plated Ck45 Hydraulic Piston Rod Hollow Solid Design 0