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Hydraulic Cylinder Honed Tube &Pipe feature:
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1
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Grade 20# 45# 16Mn 27SiMn 25Mn st52 st35
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2
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Metric size:
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Inside diameter from 40 to 1500mm,
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length 4-8 m.
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thickness:2.5-55mm
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3
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Straightness: 0.2-0.3
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4
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Tolerance EXT: DIN 2391 GB/T8713
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5
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Tolerance INT: ISO4394 H8-H9
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6
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Roughness(Ra): 0.2 to 0.8µ
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7
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Type: cold drawing, normalizing treatment, honing,cold rolling,boring
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8
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Condition: BK, BKW, BKS, NBK, GBK
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9
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Prime quality of raw material from famous steel mill
High precision on the tolerance of tube size
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10
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The tubes are specialized in hydraulic cylinder, and other cylinders.
automobile parts, motorcycle part, shock absorber
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ID(mm)
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Tolerance(mm)
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H7
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H8
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H9
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H10
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<=30
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+0.021/0
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+0.033/0
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+0.052/0
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+0.084/0
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30 - <=50
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+0.025/0
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+0.039/0
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+0.062/0
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+0.100/0
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50 - <=80
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+0.030/0
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+0.046/0
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+0.074/0
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+0.120/0
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80 - <=120
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+0.035/0
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+0.054/0
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+0.087/0
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+0.140/0
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120 - <=180
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+0.040/0
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+0.063/0
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+0.100/0
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+0.160/0
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180 - <=250
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+0.046/0
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+0.072/0
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+0.115/0
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+0.185/0
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250 - <=315
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+0.052/0
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+0.081/0
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+0.130/0
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+0.210/0
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315 - <=700
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+0.057/0
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+0.089/0
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+0.140/0
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+0.230/0
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