From prototype to mass production on demand, get instant quotes on metal or plastic projects with our online CNC machining service.
60+ kinds of materials, 30+ kinds of surface treatment to choose.
ISO9001:2015, ISO14001 certified.
Model: 4340 Steel
Material: Steel
Density: 7.9g/cm3
Process compatibility: CNC machining
Unit:%
Carbon C: 0.38-0.43
Silicon Si: 0.15~0.35
Manganese Mn: 0.60-0.90
Sulfur S: ≤ 0.040
Phosphorus P: ≤ 0.035
Chromium Cr: 0.60-0.90
Nickel Ni: 1.65~2.00
Copper Cu: ≤ 0.025
Molybdenum Mo: 0.20-0.30
| Natural anodizing | Black anodizing | Hard anodizing | Blackening | Nickel plating | Blue zinc plating | Plating with white zinc | Black zinc plating |
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| Color zinc plating | Non electroplated nickel | Hard chrome plating | Sandblasting | Fuel injection | Powder spraying | Passivation | Alodin |
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| Phosphating | Wire drawing | Polishing | Pickling | Electrolytic polishing | As machine | Decorative chrome plating | |
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Our ability is CNC machining, sheet metal fabrication, injection molding, die casting and so on. No matter what stage of development you are in, you will find a solution at TurnkeyModel.
lf you have any questions or need help, feel free to contact with our team.
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Xinqiao Street, Baoan Distrcit, Shenzhen, China
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