ST52 Chrome Plated Rod Normalized (HRC 15–22)
The ST52 Chrome Plated Rod Normalized (HRC 15–22) is a high-performance hydraulic piston rod widely used in engineering, construction, material handling, and industrial applications. With its excellent machinability, normalized hardness range, and superior chrome plating, this product ensures durability, resistance to wear, and long service life in demanding hydraulic systems.
Model:Normalized
Brand:EASTAI
Material:ST52
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 ST52 Chrome Plated Rod Normalized (HRC 15–22)
Choosing the ST52 Chrome Plated Rod Normalized (HRC 15–22) provides multiple advantages for distributors, stockists, and engineers:
Balanced Hardness
With normalized hardness levels of HRC 15–22, the rod offers a balance between machinability and strength, suitable for hydraulic applications.
Excellent Machinability
Easier to cut, thread, and process compared to higher hardness rods.
Superior Corrosion Resistance
Thick and uniform chrome plating provides long-lasting rust protection.
Dimensional Precision
Manufactured with tight tolerance to fit demanding hydraulic cylinder assemblies.
Versatility
Ideal for a wide range of hydraulic and pneumatic equipment.
Cost Efficiency
Lower hardness levels reduce machining costs while ensuring durability.
Reliable Supply
Available in multiple diameters and lengths, ready for bulk stock.
Production Process of ST52 Chrome Plated Rod Normalized (HRC 15–22)
The ST52 Chrome Plated Rod Normalized (HRC 15–22) undergoes a strict production process to guarantee stable quality and high performance.
Process Step | Description |
Raw Material Selection | High-grade ST52 steel is carefully chosen for mechanical stability. |
Normalization Treatment | Steel rods are normalized to achieve HRC 15–22, ensuring balanced hardness. |
Peeling & Grinding | The surface is peeled and ground to ensure dimensional accuracy. |
Polishing | Precision polishing creates a smooth surface for excellent chrome bonding. |
Hard Chrome Plating | A uniform chrome layer is applied for corrosion and wear resistance. |
Final Inspection | Each rod is tested for hardness, dimensions, and plating thickness. |
This process ensures that every rod delivered meets international standards.
Applications of ST52 Chrome Plated Rod Normalized (HRC 15–22)
The ST52 Chrome Plated Rod Normalized (HRC 15–22) is widely used across industries where strength and durability are essential.
Hydraulic Cylinders
Used as piston rods in hydraulic actuators.
Construction Machinery
Excavators, bulldozers, loaders, and cranes.
Agricultural Equipment
Hydraulic lifts, tractors, harvesters.
Material Handling Systems
Forklifts, lifts, and hoisting systems.
Automotive & Transportation
Shock absorbers, steering systems.
Marine & Offshore Equipment
Corrosion-resistant rods for ship hydraulics.
Industrial Machines
Press machines, injection molding machines, and automation systems.
Product Details of ST52 Chrome Plated Rod Normalized (HRC 15–22)
Specification | Details |
Material Grade | ST52 (DIN 2391 / EN 10305-1 Standard) |
Heat Treatment | Normalized, hardness range HRC 15–22 |
Surface Finish | Polished with Ra ≤ 0.2 μm |
Chrome Plating Thickness | 20–30 microns standard, customizable upon request |
Diameter Range | 10 mm – 500 mm |
Length Range | Up to 12 meters (custom cut-to-length available) |
Tolerance | ISO f7 standard |
Corrosion Resistance | 96–120 hours salt spray test (ASTM B117) |
Straightness | ≤ 0.2 mm per meter |
Packaging | Oiled, plastic-wrapped, and bundled with seaworthy export protection |
Factory Inventory of ST52 Chrome Plated Rod Normalized (HRC 15–22)
We maintain a large stock of ST52 Chrome Plated Rod Normalized (HRC 15–22) to ensure fast delivery for bulk orders:
Ready Stock Sizes
From Ø 20 mm to Ø 300 mm available.
Customized Orders
Special diameters and lengths can be produced within short lead times.
Export Packaging
Bundled with anti-rust oil and wrapped for sea or land shipment.
Global Distribution
Exported to Europe, Asia, North America, and the Middle East.
With strong inventory capacity, we help distributors and engineering companies reduce waiting time and project delays.
Quality Inspection of ST52 Chrome Plated Rod Normalized (HRC 15–22)
Every ST52 Chrome Plated Rod Normalized (HRC 15–22) undergoes strict quality testing before shipment:
Hardness Test
Ensures the normalized range HRC 15–22 is consistently achieved.
Dimensional Accuracy Check
Diameter, length, and tolerance are verified.
Surface Roughness Test
Polished finish checked with Ra ≤ 0.2 μm.
Plating Thickness Measurement
Ensures uniform chrome thickness across the rod.
Salt Spray Test
Verifies corrosion resistance performance.
Straightness Inspection
Guarantees minimal deflection per meter.
These inspections guarantee that customers receive only premium-quality chrome plated rods.
Certificates of ST52 Chrome Plated Rod Normalized (HRC 15–22)
Our ST52 Chrome Plated Rod Normalized (HRC 15–22) is manufactured in compliance with international standards and certified by globally recognized institutions:
ISO 9001:2015 Quality Management Certification
Material Mill Test Certificate (EN 10204 3.1 / 3.2)
Salt Spray Test Report (ASTM B117)
Hardness Test Certificate
Third-Party Inspection Reports (SGS, BV, TUV)
These certificates provide strong assurance for distributors and engineering companies sourcing our products.
