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YTR 20HB
Interior Honed with Exterior Hard Chromium Plate Tube (Hollow shaft)

Description
Material of seamless pipe: JIS STKM 13C/ DIN ST 52/ ASTM A106/ SAE 1020 and welded tube: DIN ST 52.3 are provided. ST52 and ST52.3 tubes with good weldability and high yield strength withstand higher pressure, and have good impact resistance in low temperature. Suitable for lathing and other further processing. Tube with ID honed and OD hard chrome plated is oxidization resistance, and has high working efficiency because of great ability of oil storage. Energy saving, long working life. Applies to telescopic cylinder pipe, bulldozer, forklift, construction machinery, dump truck, and vertical parking system.

Product Application

Machine arm
Plastic molding injection machine
Cutting and sealing machine

Specification

ID
m/m
OD
m/m
20
25
20
30
25
30
25
35
30
40
35
45
40
50
50
60
ID
m/m
OD
m/m
60
70
60
80
63
73
65
75
70
80
70
90
80
90
80
95
ID
m/m
OD
m/m
80
100
90
105
95
110
100
114
110
120
120
140
125
140
* We also provide
-External Hard Chromium Plate Tube.
-Internal Honed with External Harden Chromium Plated Tube.
* Other specifications can be ordered, please kindly contact with us!

Detail

  • ID : Ø 20~125mm
  • OD : Ø 25~140mm
  • Length : 3000~8000mm
  • Hard Chrome Thickness : 20Micron ± 5
  • Surface Roughness :Ra0.2-Ra0.8
  • ID Accuracy : H7~H8
  • O.D. Surface Roughness : Ra0.2~Ra0.4
  • O.D 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
    • Forklift
  • Automobiles:
    • Crane
    • Truck
    • 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
JIS G3445 STKM13C
  ASTM MT1020 / BS ERWC3 / DIN ST45 / NF TU37b / ISO TS4 ∨Carbon steel tubes for machine structural purposer
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.