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Hard Chrome Rod for Industrial Hydraulic Cylinders and Linear Motion Systems

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Hard Chrome Rod for Industrial Hydraulic Cylinders and Linear Motion Systems

Hard chrome plated piston rod was made by black round steel bar, through peeling, centerless grinding, polishing, chrome plate, polishing process.
Products meet international standard demands.

Size:	Φ 6-500mm
Tolerance:	ISO f7
Length:	4m, 5.8m, 6m, 7.5m, 12m, 14m can be choose
Roughness:	max. Ra0.20µm (statistic average: 0.05 - 0.15µm)
Straightness:	<= 0.2/1000
Roundness:	Half of the tolerance ISO f7
Chrome Thickness:	20-80µm
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Product Description

This industrial-grade chrome rod is designed for high-load environments where precision and reliability are critical. With a smooth, mirror-like finish and hard chrome plating, this product resists abrasion, corrosion, and mechanical stress. The rod is produced through multiple grinding and polishing stages to meet Ra0.20μm surface finish and f7 tolerance. Its primary application includes hydraulic cylinders, linear guides, pneumatic actuators, and robotic arms. Trusted by international OEMs, our chrome rods deliver consistent performance, longer service life, and lower maintenance costs. Our experienced team ensures high-quality control and customized production to meet your exact application needs.

Features:

1. High precision.

2. Made by best raw material.

3. Quality stable and uniformity.

4. Better packing protection.

5. Perfect after-sales service

Hard Chrome Plated Piston Rod:

Steel Grade	CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo4, SUS304/316 Duplex 2205, etc.
Diameter	Φ 6-500mm
Tolerance	ISO f7
Length	4m, 5.8m, 6m, 7.5m, 12m, 14m can be choose
Roughness	max. Ra0.20µm (statistic average: 0.05 - 0.15µm)
Straightness	<= 0.2/1000
Roundness	Half of the tolerance ISO f7
Hardness based on Delivery condition	Normal chrome rod (HRC 15-22) Q+T chrome rod (HRC 28-35) Induction Hardened chrome rod (HRC 55+/-2) Q+T and Induction hardened chrome rod (HRC 55+/-2)
Chrome Thickness	20-80µm
Chrome Hardness	min. 900 HV (0.1)
Declaration of conformity	According to EN 10083-2 Test in natural salt spray according to ASTM B 17 (96/120/150/200H).
Packing	Oil soaked, carton pipe sheathed, cotton rope twined, bubble film packaged.