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Tel: +86-510-83050629
E-mail: sales@wxlongchen.com


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1020 hard chrome plated honed tube internal external chrome plated telescopic cylinder barrel

1020 hard chrome plated honed tube internal external chrome plated telescopic cylinder barrel

Chrome plated honed tubes are often used for telescopic cylinders. The telescopic cylinder is a special design of a hydraulic cylinder or pneumatic cylinder which provide an exceptionally long output travel from a very compact retracted length. Typically the collapsed length of a telescopic...

Product Details

1.Brief Introduction To 1020 Chrome Plated Honed Tube

Chrome plated honed tubes are often used for telescopic cylinders. The telescopic cylinder is a special design of a hydraulic cylinder or pneumatic cylinder which provide an exceptionally long output travel from a very compact retracted length. Typically the collapsed length of a telescopic cylinder is 20 to 40% of the fully extended length depending on the number of stages. Some pneumatic telescoping units are manufactured with retracted lengths of under 15% of overall extended unit length. This feature is very attractive to machine design engineers when a conventional single stage rod style actuator will not fit in an application to produce the required output stroke.

2.1020 chrome plated honed tube description

It is a low-carbon steel piston rod made of JIS S20C / DIN CK20 / SAE1020. The steel tube is treated by precision cold-drawing to improve its tensile strength, plated with hard chrome for resistance to wear and rust and even hardness, and then processed by other machines, such as lathe, milling machine and drilling machine. The axle is applicable to piston rod, air cylinders, hydraulic cylinder, mechanical guide rod, tie bar, punching machine, press, aerial ladder truck, crane, plastic injection molding machine, sealing machine, packaging machinery and other automated machines and equipments.

3.Chrome plated honed tubes are classified into two types

Type 1: Inside surface honed and chrome plated tube 

Type 2: Inside surface honed and outside surface chrome plated tube.

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4.Steel Grade according to different standards

China steel grades: GB standard20# Steel
Germany steel grades: DIN standardCK20
Japanese steel grades: JIS standardS20C
American steel grades: AISI Standard1020

5.Product Specifications of 1020 Hard Chrome Plated Honed Tube

GradeCK20, S20C, 1020, 20#
Inside diameterfrom 40 to 300mm
Max length16m
Straightness0.5 /1000
Tolerance EXTDIN2391, EN10305, GB/T 1619
Tolerance INTISO H8, ISO H9
Roughness(Ra)0.2 to 0.4 µ
Chrome thickness20 To 50 Micron
TypeCold drawing, Normalizing treatment, Honing or skiving, Chrome plated
LengthUnfixed length or fixed length 
PackageBundle with steel strip and knitting strip, or wooden case
ConservationAnti rust oiled coating on the inside and outside of the surface, plastic caps at both ends
Impact test-20°C, 27 J (only for special requirement)


Inside diameter(mm)Tolerance(mm)
H7H8H9H10
≦30+0.021/0+0.033/0+0.052/0+0.084/0
30-≦50+0.025/0+0.039/0+0.062/0+0.100/0
50-≦80+0.030/0+0.046/0+0.074/0+0.120/0
80-≦120+0.035/0+0.054/0+0.087/0+0.140/0
120-≦180+0.040/0+0.063/0+0.100/0+0.160/0
180-≦250+0.046/0+0.072/0+0.115/0+0.185/0
250-≦315+0.052/0+0.081/0+0.130/0+0.210/0
315-≦700+0.057/0+0.089/0+0.140/0+0.230/0

6.FAQ
Q1:Can your products be customized?
We are specialized in cylinder, piston rod and cylinder barrel with an experience of about 10 years. We have a strong designing team, so any conventional product can be customized.
Q2:What about the after-sale services?
We provide 12 months quality warranty after dispatch. We also offer long-time technical advisory services.
Q3.What about the transpotation?
We can take any type of transpotation according to the customer's demand.

Wuxi Longchen has been engaged in 1020 hard chrome plated honed tube internal external chrome plated telescopic cylinder barrel for many years as one of the leading manufacturers and suppliers in China. Our products are of high precision, good performance and competitive price. Please rest assured to wholesale the quality product made in China from our factory.
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