4140 Hydraulic Cylinder Hardened Chrome Plated Round Steel Bar Stock

Product Description

1,Product Description
Professional manufacturer of honed tube & chrome rod/bar/shaft, founded in 2004, one of biggest manufacturer in China.
The various types of chrome bars in our stocks are
Hard chrome bars/ Piston rod in CK45, 20MnV6, 42CrMo
Induction hardened chromed bars / piston rods in CK45, 20MnV6, 42CrMo
Hollow chrome rods in CK45, 20MnV6, 42CrMo
Nickel + chrome plating bars

Item	Hard Chromed Rod	Induction Hardened Chromed	Nickel and Chrome Plating Bars
Steel Grade	C45E (EN 10083)	C45E (EN 10083)	C45E,20MnV6/38MnVS6
Tolerance	ISOf7	ISOf7	ISOf7
Roundness	Diameter tolerance / 2	diameter tolerance / 2	diameter tolerance / 2
Standard Length	-for Ø ≤ 60 mm: 5600 -6200mm -for Ø≥60 mm: 5800 -7200mm Upon request: special lengths on all diameters	- for Ø ≤ 60 mm: 5600 - 6200 mm - for Ø ≥ 60 mm: 5800 - 7200mm Upon request: special lengths on all diameters	Up to 6000 mm Upon request: special lengths on all diameters
Surface Roughness	Ra max. 0.20 µm (statistic average: 0.05-0.15 µm)	Ra max. 0.20 µm (statistic average: 0.05- 0.15 µm)	Ra max. 0.20 µm (statistic average: 0.05-0.15 µm)
Chrome Layer Thickness	min. 900 HV (0.1)	min. 900 HV (0.1)	min. 25 µm
Straightness	≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm	≤ Ø16 mm: max. 0.3 mm: 1000 mm > Ø16 mm: max. 0.2 mm: 1000 mm	max.0.20 mm/1000 mm

2,Equipment Show
As one of the biggest honed tube piston rod manufacturers in China, we equipped with advanced production facilities and inspection facilities for honed pipe manufacturing and inspection. Below manufacturing machines for steel honed tubing and chrome plated hard bar
3,Testing & Inspection
4,Packing
5,Company Show
Major in Honed tube, Chrome rod, Cylinder parts, 15+ years' experience. Factory was established under modern management system and technologies in 2003. It covers an area of 40,000 sq. meters, all processing control include cold-drawn, heat treatment, honing, peeling, grinding, polishing. There 're 60+ sets of advanced equipment and 70+ skilled technical workers, annual output over 20,000 tons.
6,Our Services
<Could make product for customer according to customer samples or drawings
<Submit samples with official inspection reports including material report, mechanical property report and dimensional report
<Can provide the third party inspection report
<Could provide at least one year's quality guarantee after customer receives the products
<We could supply storage service for customer if required.
7,Contact us
Anne

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