Yee Young Industrial Co., Ltd.

Yee Young, established in Taiwan for 30 years, specializes in rods and tubes for transmission industry. As one of the leading companies with great reputation, Yee Young has certificated ISO 9001 for years. We offer Hydraulic Honed Tube, Stainless Seamless Steel Honed Tube, Cold Drawn Precision Steel Tube, Aluminum Alloy Tubes, OST2 Seamless Carbon Steel Pipe, Hard Chrome Shaft, Induction Harden Chrome Plated Rod, Stainless Steel Harden Chrome Rod, Bearing Steel Bar, Guide Rod, Slide Rail, Tie bar, Column Rod, etc. We value our quality, clients, working efficiency and harmony with stakeholders as our main mission. Through continuing improvement, we provide reasonable price and satisfied products to our customers. Our goal is to pursue the largest benefits for our clients.

Chrome tube, piston hollow shaft, piston hollow rod, STKM 13C, E355, ST52, ST52.3, telescopic cylinder rod

Our Company is a well-known company in Shower Trolley specializing in the design, production and sale of Shower Trolley and relative appliances.
We have a team of efficient quality inspectors who make sure our products are manufactured as per the excellent standards.

Interior Unhoned with Exterior Hard Chromium Plate Tube (Hollow Shaft)


Interior Unhoned with Exterior Hard Chromium Plate Tube (Hollow Shaft)

Material of seamless pipe: JIS STKM 13C/ DIN ST 52/ ASTM A106/ SAE 1020 and welded tube: DIN ST 52.3 are provided. External diameter hard chrome plating tube, with bright appearance and good wear resistance, is anti corrosive. Suitable for telescopic cylinder tube, telescopic cylinder rod, hydraulic cylinder tube for tipping system, guide rod of printing machine, crane, office furniture and equipment, hydraulic sawing machine, tow truck, fire fighting truck, and other fluid power transmission machinery.
Specification :

ID m/m OD m/m ID m/m OD m/m ID m/m OD m/m
4 8 20 30 50 60
5 10 22 40 50 65
6 12 24 30 60 75
6 16 25 30 60 80
6.5 12 25 32 65 75
8.5 16 25 35 65 80
12 16 30 40 75 90
14 18 30 45 80 90
14 20 30 50 85 95
16 25 35 45 95 110
18 25 38 50 110 120
18 35 40 50 110 130
19 25 40 55 140 153
20 25 45 60    
★ Other specifications can be ordered, please contact with us!

Detail :

ID : Ø 4~140mm
OD : Ø 8~153mm
Length : 3000~7500mm
O.D. Hard Chrome Thickness : 20Micron ± 5
O.D. Surface Roughness :Ra0.2-Ra0.4
ID Accuracy : h11

Application :

■ Hydraulic cylinder
■ Pneumatic cylinder
■ Precise machine pipes
■ Agriculture machine
■ Boiler construction
■ Machinery :
    Stamping machine
    Punching machine
    Blow molding machine
    Plastic injection machine
    Food machine
■ Automobiles:
    Truck lifter
    Shock absorber of car, motorcycle, bicycle
■ Furniture: gas spring
■ Sport equipments
■ Medical equipments
■ Door closer
■ Jack

Material :

Our Material Material No. Similar International Grade Suitable for…


  ASTM MT1020 / BS ERWC3 / DIN ST45 / NF TU37b / ISO TS4 Carbon steel tubes for machine structural purpose
DIN 2391 ST52 1.0580

JIS STKM19A / ASTM 1524 / EN E355 / ISO TS18 Mechanical and automotive engineering
ST52 BK+S 1.0580   Low deformability without heat treatment after cold forming process and stress-relief annealing
DIN 2393 ST52.3 1.0570 ISO Gr.1 Construction of chemical plant, pipe work and mechanical engineering use
ASTM A106 1.0405 JIS STPT410 / BS HFS410 / DIN ST45.8 / NF TU42c Seamless carbon steel pipe for high temperature service
Suitable for bending, flanging, welding and similar forming operations
★ Above similar steel grades are only for your reference, please kindly refer to each standard for further differences.
★ Other specification and material can be ordered.

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