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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)