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16mm 20mm Hard Chrome Plated Shaft Chrome Hydraulic Rod
What is the difference between chrome-plated rods and polished rods?
The chrome-plated rod is chrome-plated, usually hard chrome-plated,
and its appearance hardness and wear resistance are much better
than ordinary steel rods; the polished rod is only polished, it may
be polished to the original rod, or it may be It is polished after
chrome plating. The former has low surface hardness, while the
latter has high surface hardness, good wear resistance, and better
lubricity than chrome-plated rods.
The hardness of the polished rod is not high. After chrome plating
with chrome-plated rods, the hardness of the surface is improved
and the wear resistance of the surface is increased. For example,
the shock absorbers of cars and motorcycles, and engine cylinders
are all plated with hard chrome. Iron is easy to rust when exposed
to the air, and chromium has strong oxidation resistance. After
chrome plating, it can play a certain antirust effect.
The tolerance of chrome-plated rods is usually g6 or h7, and the
thickness of chrome plating is 0.8~3mm. A3 steel is a name in the
past, and now it is called Q235 steel. The yield strength is
235MPa, the tensile strength is 375-460MPa; the elongation is 26%.
Among the boards, Q235 is the most common raw material, which
belongs to the general board series, so the difference between
chrome-plated rods and polished rods: wear resistance and corrosion
resistance, of course, the price of chrome-plated rods is also
high.
Parameters
Model | 16mm 20mm Hard Chrome Plated Shaft Chrome Hydraulic Rod | ||
Diameter | Metric
Diameter:3mm,4mm,5mm,6mm,8mm,10mm,12mm,16mm,20mm,25mm.....300mm Inch
Diameter:6.35mm.9.525mm.12.7mm,15.875mm,19.05mm,25.4mm,31.75mm,38.1mm | ||
Length | Full Length 6000mm, it can be cut off according to customer
requirement. | ||
Quality | ISO9001:2008 standard | ||
Material | CK45 (SAE1045, S45C), 42CrMo (SAE4140), 20MnV6,St52, Stainless
Steel | ||
Surface finish | Hard Chrome / None Chrome | ||
Plating Thickness | 10um ~ 20um in radius. | ||
Heat treated | Not Hardened / Induction Hardened | ||
Hardness | HRC:58-62 | ||
Hardness Depth | 0.8-3.0mm | ||
Precision | g6, h6, h7 or according to your requirement. | ||
Roughness | Less than 1.5μm | ||
Straightness | Less than 1.5μm of 100mm (Rmax) | ||
Roundness | Less than 3.0μm (Rmax) | ||
Performance | Long life and low noise | ||
Custom-made | End Stepped, End Tapped, End Tread, Wrench Flats, Cross Drilled
Holes, Key Groove, Set Screw Grooved, and so on. | ||
technical standard:
Outer diameter accuracy: f7, f8, h7
Surface finish: ≦Ra0.4S
Roundness: ≦0.01mm
Straightness: ≦0.15/1000mm
Hard chrome plating thickness: 0.015~0.05mm (can be customized
according to customer requirements)
Surface hardness: HB220-260
Standard outer diameter: ￠3~￠120
Standard length: 1000-6000mm
Material: S45C (45#), 40Cr, GCr15, 2Cr13, 42CrMo, SUS304, SUS303,
SUS316, etc.
