Pipe Rod (Hollow Bar)

  • pipe rod, hollow piston rod, piston rod, precision hollow shaft
  • External Diameter Accuracy : f8
  • Surface Roughness : max Ra 0.2μm
  • Surface Hardness : min HV 850
  • Roundness : tolerance × 1/2
  • Hard Chrome Thickness: <Φ22.225mm: min 15 μm
                                             ≧Φ24mm: min 20 μm
  • Standard Length: 2M - 6M up
  • Steel Grade: JIS STKM13C, STKM11A, STKM13A, S45C
  • Product Feature
  • Tolerance form
  • Inquiry
Product Feature

 

Pipe Rod, Hollow Piston Rod, Piston Rods


Purpose:

Manufacture process is the same as hard chromium piston rod, it is lighter than piston rod and higher strength, making it less prone to bending.

If you are interested in our Pipe Rod (Hollow Bar), please contact us online. Related Keyword: Hydraulic Piston Rod, Cylinder Piston Rod.

Tolerance form

Tolerance Of Piston Rod

Grade of tolerance 
Dia mm Φ
f g h
f7 f8 g6 h7 h8 h9
3mm -0.006
-0.016
-0.006
-0.020
-0.002
-0.008
0
-0.010
0
-0.014
0
-0.025
3mm-6mm -0.010
-0.022
-0.010
-0.028
-0.004
-0.012
0
-0.012
0
-0.018
0
-0.030
6mm-10mm -0.013
-0.028
-0.013
-0.035
-0.005
-0.014
0
-0.015
0
-0.022
0
-0.036
10mm-18mm -0.016
-0.034
-0.016
-0.043
-0.006
-0.017
0
-0.018
0
-0.027
0
-0.043
18mm-30mm -0.020
-0.041
-0.020
-0.053
-0.007
-0.020
0
-0.021
0
-0.033
0
-0.052
30mm-50mm -0.025
-0.050
-0.025
-0.064
-0.009
-0.025
0
-0.025
0
-0.039
0
-0.062
50mm-80mm -0.030
-0.060
-0.030
-0.079
-0.010
-0.029
0
-0.030
0
-0.046
0
-0.074
80mm-120mm -0.036
-0.071
-0.036
-0.090
-0.012
-0.034
0
-0.035
0
-0.054
0
-0.087
120mm-180mm -0.043
-0.083
-0.043
-0.106
-0.014
-0.039
0
-0.040
0
-0.063
0
-0.100
180mm-250mm -0.050
-0.096
-0.050
-0.122
-0.015
-0.044
0
-0.046
0
-0.072
0
-0.115
250mm-315mm -0.056
-0.108
-0.056
-0.137
-0.017
-0.049
0
-0.052
0
-0.081
0
-0.130
315mm-400mm -0.062
-0.119
-0.062
-0.151
-0.018
-0.054
0
-0.057
0
-0.089
0
-0.140
400mm-500mm -0.068
-0.131
-0.068
-0.165
-0.020
-0.060
0
-0.063
0
-0.097
0
-0.155

(unit)µ=0.001mm

I.D x O.D rr. m Ø INQUIRY I.D x O.D rr. m Ø INQUIRY I.D x O.D rr. m Ø INQUIRY I.D x O.D rr. m Ø INQUIRY
4x8 20x40 40x60 70x90
6x12 30x40 45x60 75x95
14x20 24x45 50x70 80x100
19x25 30x45 60x80 85x100
18x30 25x50 63x80 100x120
20x30 38x50 65x85 130x150
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