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Nahtlose Präzisionsstahlrohre , Zylinderrohr, Stahlrohre, Zylinderrohr Gehont
- Toleranz ID : H7, H8, H9
- Rauigkeit : max Ra 0.2μm
- Geradheit : 1-1.2/1000mm
- Rundheit : ½ der Durchmessertoleranz
- Standardlänge : 3M~12M
- längste Länge : 13000mm
- Innenoberfläche : gehont oder rolliert
- ID : 18Ø~ 400Ø
- Werkstoff : EN 1.0580, E355, JIS STKM13C, DIN ST52, SAE1020
- Größte ID : 1000mm
The honing/skived and roller burnished seamless steel hydraulic tubing, hydraulic steel pipe and hydraulic cylinder tube is cold draw both inside and out, then is given tempering treatment with a tensile strength of up to 520N / mm2 or more. Then Golden Asia improves upon the work with our own precision honing/skived roller burnished, using the diameter tolerance of H7, H8. It helps to extend the life of the cylinder, and reduces the wear of the seal. The honing/skived and roller burnished seamless steel hydraulic tubing, hydraulic steel pipe and hydraulic cylinder tube steel grade include EN 1.0580, E355, STKM13C, STKM13A and DIN ST52.
Tolerance Of Honed Tube
| TolerGrade of tolerance Dia mm Φ |
H | |||
|---|---|---|---|---|
| H7 | H8 | H9 | H10 | |
| 3mm | +0.010 0 |
+0.014 0 |
+0.025 0 |
+0.040 0 |
| 3mm-6mm | +0.012 0 |
+0.018 0 |
+0.030 0 |
+0.048 0 |
| 6mm-10mm | +0.015 0 |
+0.022 0 |
+0.036 0 |
+0.058 0 |
| 10mm-18mm | +0.018 0 |
+0.027 0 |
+0.043 0 |
+0.070 0 |
| 18mm-30mm | +0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
| 30mm-50mm | +0.025 0 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
| 50mm-80mm | +0.030 0 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
| 80mm-120mm | +0.035 0 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
| 120mm-180mm | +0.040 0 |
+0.063 0 |
+0.100 0 |
+0.160 0 |
| 180mm-250mm | +0.046 0 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
| 250mm-315mm | +0.052 0 |
+0.081 0 |
+0.130 0 |
+0.210 0 |
| 315mm-400mm | +0.057 0 |
+0.089 0 |
+0.140 0 |
+0.230 0 |
| 400mm-500mm | +0.063 0 |
+0.097 0 |
+0.155 0 |
+0.250 0 |
(unit)µ=0.001mm
Honing Seamless Steel Pipe, Hydraulic Cylinder Tubing, Pneumatic Cylinder Tubing
| Spec. | Kind | Mark | Manuf | Chemical Composition% | Induction | Tensile Test | Bend Test Flattening Test | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Tensile (N/mm²) |
Yield (N/mm²) |
ELOVG(%) | Bend Angle |
Inside Radius |
Outside Radius |
||||||
| Test Piece 11th 12 th L |
5 th Test Piece V |
|||||||||||||||
| 13A | STKM13A | S E |
0.25> | 0.35> | 0.30 | 0.90 |
0.040 Under |
0.040 Under |
380 | 220 | 30 | 25 | 90 | 6D | 2/3D | ||
| 13B | STKM13B | 450 | 310 | 20 | 15 | 90 | 6D | 3/4D | ||||||||
| 13C | STKM13C | 520 | 390 | 15 | 10 | - | - | - | ||||||||
- t = P. D. / 200 S
- t = Wall Thickness (mm)
- P = The Largest Pressure (Kg/cm²)
- D = Steel Pipe Inside Diameter (mm)
- S = σ / 5 Kg / mm²
- σ = The Lowest Numerical Value of Tensile (Kg/mm²)

