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Cylinder tube is a kind of high precision steel tube material after cold drawing or hot rolling. Because there is no oxide layer on the inner and outer walls of precision steel pipe, no leakage under high pressure, high precision, high finish, cold bending without deformation, flaring, flattening without cracks and so on, it is mainly used for the production of pneumatic or hydraulic components, such as cylinder or cylinder, can be seamless pipe.
1. Improve the surface roughness. The roughness can basically reach about Ra≤0.08µm.2. Correct roundness, ellipticity can be ≤0.01mm.3. Improve surface hardness, eliminate stress deformation, and increase hardness HV ≥ 4°4. There is a residual stress layer after processing, which increases the fatigue strength by 30%.5. Improve the quality of fit, reduce wear and extend the service life of parts, but the processing cost of parts will be reduced.| Grade | C | Si | Mn | P | S | Cu |
| ASTM A283 Grade A | 0.14 | 0.15-0.40 | 0.9 | 0.035 | 0.04 | 0.2 |
| ASTM A283 Grade B | 0.17 | 0.15-0.40 | 0.9 | 0.035 | 0.04 | 0.2 |
| ASTM A283 Grade C | 0.24 | 0.15-0.40 | 0.9 | 0.035 | 0.04 | 0.2 |
| ASTM A283 Grade D | 0.27 | 0.15-0.40 | 0.9 | 0.035 | 0.04 | 0.2 |
| Grade | Yield Strength (MPa) | Ultimate Tensile Strength (MPa) | Elongation at Break (%) |
| ASTM A283 Grade A | 165 | 310 - 415 | 27 |
| ASTM A283 Grade B | 185 | 345 - 450 | 25 |
| ASTM A283 Grade C | 205 | 380 - 515 | 22 |
| ASTM A283 Grade D | 230 | 415 - 550 | 20 |
Product Parameters | ||||
Product Name | Aluminum cylinder tube | |||
Material: | 6063 6431 6430 | |||
internal diameter: | 16-320mm | |||
Inner diameter tolerance: | H9-H11 | |||
Straightness tolerance: | ≤1mm/1000mm | |||
Surface roughness: | Ra<0.6 | |||
Oxide film thickness: | ≥15μm | |||
Hardness of oxide film: | ≥ 400HV | |||
Elongation: | ≥ 15% | |||
Length: | 3-9m or Customized according to customer | |||
main products: | 1.Honed Cylinder Tubing | |||
2.Aluminum Pneumatic Cylinder Tube | ||||
3.Air cylinder Tube | ||||
4.6430 DNC Aluminum Alloy Profile Tube | ||||
Heatingprocessing | Heating—— Honing——Finish drawn——Extrusion——Polishing——Sand blash——oxidation——Final in | |||
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