Induction And Hardened
EAST AI
20MnV6
Max. 15m
f7/f8/g6,etc
≤0.2/1000 mm
Hydraulic cylinders for mobile equipment, industrial machinery, and heavy-duty systems
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
≤0.2u
| Availability: | |
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Product Description
High surface hardness (HRC 50–62) for strong wear resistance
Excellent fatigue strength suitable for high-pressure hydraulic systems
Low-friction chrome layer reduces seal wear and heat generation
High tensile strength with a tough core improves impact tolerance
Perfect surface finish for smooth hydraulic operation
Long service life in corrosive or demanding environments
Ideal for heavy-duty hydraulic machinery

| Parameter | Specification |
|---|---|
| Steel Grade | 20MnV6 (EN10297-1) |
| Surface Hardness | HRC 50–62 (induction hardened) |
| Chrome Plating Thickness | 20–30 microns (customizable) |
| Surface Roughness | Ra ≤ 0.2 μm |
| Yield Strength | ≥ 520 MPa |
| Tensile Strength | 650–850 MPa |
| Straightness | ≤ 0.2 mm/m |
| Tolerance | f7 / h7 |
| Outer Diameter Range | Ø 10–Ø 200 mm |
| Length | Up to 8000 mm |
| Core Toughness | High impact resistance, non-brittle |
| Corrosion Resistance | ≥ 120 hours salt spray test (ISO9227) |
The product is widely used in hydraulic and pneumatic applications, including:
Hydraulic cylinders (mobile & industrial)
Construction machinery (excavators, loaders, dozers)
Agricultural equipment (tractors, harvesters)
Mining machinery
Lifting and hoisting systems
Material handling solutions
Industrial automation
Marine hydraulic systems
20MnV6 raw material inspection
Cold drawing and peeling
Precision centerless grinding
Induction hardening (HRC 50–62)
Deep stress relieving
Hard chrome plating
Final polishing to Ra ≤ 0.2 μm
Straightness correction
Final inspection and packaging

We strictly implement full-process quality management:
Dimensional inspection (OD, roundness, straightness)
Chromium thickness test (micron measurement)
Surface roughness inspection (profilometer)
Hardness testing (HRC)
Salt spray corrosion test (ISO9227)
Eddy current testing
Ultrasonic testing (UT)
Visual inspection for defects and chrome uniformity
Every rod is fully traceable with batch codes and material certificates.

Our 20MnV6 Chrome Plated Rod Induction and Hardened (HRC 50–62) is produced according to international standards and supported by comprehensive certifications:
ISO 9001:2015 Quality Management System
ISO 14001 Environmental Management System
ISO 45001 Occupational Health & Safety Management
Material Mill Test Certificate (MTC 3.1)
Salt Spray Test Report (ISO 9227)
Hardness Test Certificate
Chrome Layer Thickness Certificate
Additional third-party inspection (SGS / TUV / BV) is available upon request.

Over 19 years of manufacturing experience
Advanced induction hardening and grinding lines
High productivity and flexible OEM customization
Fast delivery and stable global supply
Competitive pricing with strict quality assurance