

CK45 Chrome Plated Rod Normalized (HRC 15–22)
The CK45 Chrome Plated Rod Normalized (HRC 15–22) is one of the most widely used steel rods in hydraulic and mechanical engineering. With a balance of strength, ductility, and surface protection, this rod is manufactured to meet the performance requirements of distributors, stockists, and engineering contractors worldwide. Its normalized condition ensures stable mechanical properties, while the hard chrome plating offers excellent corrosion resistance and surface finish.
Model:Normalized
Brand:EAST AI
Material:CK45
Length:Max. 15m
ID Tolerance:f7/f8/g6,etc
Straightness:≤0.2/1000 mm
Application:Hydraulic cylinders for mobile equipment, industrial machinery, and heavy-duty systems
Packing:Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case,can be customised according to customer requirements
Roughness:≤0.2u
Product Description
Advantages of CK45 Chrome Plated Rod Normalized (HRC 15–22)
The CK45 Chrome Plated Rod Normalized (HRC 15–22) provides multiple advantages that make it a preferred choice for demanding industries:
Balanced Hardness and Ductility
With hardness between HRC 15–22, it offers moderate strength while maintaining machinability.
Enhanced Corrosion Resistance
Hard chrome plating (20–30 μm layer) ensures protection against rust and surface wear.
Superior Straightness
Straightness tolerance ≤0.2 mm/1000 mm ensures reliable alignment in hydraulic and mechanical applications.
Excellent Surface Roughness
Achieving Ra ≤0.2 μm, ensuring smooth performance in hydraulic cylinder assemblies.
Stable Properties
Normalized treatment guarantees homogeneity in grain structure and consistent quality.
Wide Application Range
Ideal for hydraulic cylinders, agricultural machinery, lifting equipment, and construction engineering.
Customizable Dimensions
Available in OD 8–350 mm, up to 8 meters in length, with cut-to-size service.

CK45 Chrome Plated Rod Normalized (HRC 15–22) Product Details
The following table shows the technical parameters of CK45 Chrome Plated Rod Normalized (HRC 15–22):
Parameter | Specification |
Material Grade | CK45 (Equivalent to SAE1045 / EN C45) |
Heat Treatment | Normalized |
Hardness Range | HRC 15 – 22 |
Surface Treatment | Hard Chrome Plating |
Chrome Layer Thickness | 20 – 30 μm (customizable) |
Surface Roughness (Ra) | ≤ 0.2 μm |
Straightness Tolerance | ≤ 0.2 mm / 1000 mm |
Outer Diameter Range | 8 mm – 350 mm |
Length Range | Up to 8 meters (custom cut available) |
Tensile Strength | 600 – 750 MPa |
Yield Strength | ≥ 340 MPa |
Applications | Hydraulic cylinders, construction machinery, lifting equipment, agricultural use |
Standards | DIN 2391, EN 10305, ISO 9001 |
CK45 Chrome Plated Rod Normalized (HRC 15–22) Production Process
The CK45 Chrome Plated Rod Normalized (HRC 15–22) is manufactured under strict quality control, ensuring consistency in every batch. The production process includes:
Step | Process | Purpose |
1 | Raw Material Selection | High-quality CK45 steel billets are sourced to ensure purity and performance. |
2 | Normalizing Heat Treatment | Provides uniform grain structure and stable mechanical properties. |
3 | Peeling / Turning | Removes surface imperfections and achieves precise dimensions. |
4 | Straightening | Ensures tight straightness tolerance for hydraulic applications. |
5 | Grinding & Polishing | Creates a smooth surface finish before plating. |
6 | Hard Chrome Plating | Applies 20–30 μm layer for corrosion and wear resistance. |
7 | Final Inspection & Packaging | Each rod undergoes strict dimensional, hardness, and surface testing. |
This streamlined process ensures each rod meets international standards and customer expectations.

Applications of CK45 Chrome Plated Rod Normalized (HRC 15–22)
The CK45 Chrome Plated Rod Normalized (HRC 15–22) is widely used across industries due to its versatility:
Hydraulic Cylinders
Core material for piston rods in industrial and mobile hydraulic systems.
Construction Machinery
Used in excavators, loaders, cranes, and lifting equipment.
Agricultural Equipment
Ensures durability in tractors, harvesters, and sprayers.
Material Handling Systems
Supports forklifts, scissor lifts, and warehouse automation.
General Engineering
Suitable for shafts, guide rods, and other precision mechanical components.
Its combination of normalized strength and chrome plating ensures long service life under diverse working conditions.

CK45 Chrome Plated Rod Normalized (HRC 15–22) Factory Inventory
As a professional supplier, we maintain large stock to meet urgent delivery needs. Our inventory features:
Standard Sizes in Stock
Diameter 20–200 mm, length up to 6 meters readily available.
Cut-to-Length Service
Customized cutting available based on project requirements.
Flexible Supply Capacity
Ability to provide bulk orders for distributors and engineering contractors.
Fast Dispatch
Stock materials can be shipped within 7–10 working days.
By keeping sufficient inventory, we support dealers, wholesalers, and project managers in reducing lead times and ensuring continuous supply.

CK45 Chrome Plated Rod Normalized (HRC 15–22) Quality Inspection
To guarantee stable performance, each CK45 Chrome Plated Rod Normalized (HRC 15–22) undergoes rigorous quality inspection, including:
Dimensional Accuracy Test
Diameter, roundness, and straightness checked with precision instruments.
Surface Roughness Test
Ensures Ra ≤ 0.2 μm for smooth performance.
Chrome Thickness Test
Confirms plating layer of 20–30 μm.
Salt Spray Test
Verifies corrosion resistance performance.
Hardness Test
Ensures normalized hardness within HRC 15–22.
Ultrasonic Flaw Detection
Checks for internal defects in steel rods.
Every rod is delivered with test reports to provide full traceability and confidence to our customers.

CK45 Chrome Plated Rod Normalized (HRC 15–22) Certificates
Our CK45 Chrome Plated Rod Normalized (HRC 15–22) production meets international certifications:
ISO 9001:2015 Quality Management System
Material Mill Test Certificates (MTC)
Third-Party Inspection (SGS, BV, TUV available on request)
GL Approval of Material Manufacturers (AMM)
These certifications ensure compliance with global quality and safety standards.
