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Precision Piston Rod with Hard Chrome Plating for Heavy Duty Equipment

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Precision Piston Rod with Hard Chrome Plating for Heavy Duty Equipment

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

Our piston rod is precision machined from black round steel and coated with a thick layer of hard chrome to improve its mechanical properties. Featuring a Ra0.20μm polished surface and exacting f7 tolerance, the rod reduces friction and improves seal life. It is ideal for use in heavy-duty hydraulic systems, earth-moving machinery, marine equipment, and factory automation. With excellent dimensional accuracy and corrosion resistance, this piston rod ensures stable performance even under extreme pressure and temperature. All rods undergo rigorous inspection for size, finish, and hardness. Custom diameters and lengths are available on request for special industry requirements.

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.