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Mild steels are also called as low carbon steel generally contains less than 0.25% carbon and cannot be strengthened by heat-treating; strengthening may only be accomplished through cold working and case hardening. The low carbon material is relatively soft and weak, but has outstanding ductility and toughness; in addition, it is machinable, weldable and is relatively inexpensive to produce.
Mild steel is used for parts that may be case hardened, but whose core strength is not critical. Given the material’s favorable cost, manufacturers often use it for high-volume parts. However, mild steels present problems for turning, drilling and milling. They are soft and gummy materials, frequently forming long, problematic chips. It’s no surprise that the most frequently asked question about processing these steels is how to break the chip. Answers are found in chip control through feed rate, depth of cut, and selection of insert geometry.
| Processes | Lead Time | Grades | Tolerance | Application |
|---|---|---|---|---|
| CNC Machining | As fast as 3 days | All types of low carbon steels & Tool steels | With drawing: as low as +/- 0.005 mm No drawing: ISO 2768 medium | Qty & Precision dependent |
| Services Name | Max Size | Min Size | Min Thickness | Undercuts | Radii Depth |
|---|---|---|---|---|---|
| For CNC Machining | Max Part Size: 600 mm | Min End Mill Size: 0.8 mm | Min Wall Thickness: 0.5 mm | Undercuts: Square profile, full radius, dovetail profiles | Radii: Depth: Depth must not exceed 12x drill bit diameter. For end mills, depth must not exceed 10x tool diameter. |
3D Printers and 3D Printing: Technologies, Processes and Techniques. 3D printing is also called additive manufacturing. This term accurately describes how this technology works to create objects. “Additive” refers to the successive addition of thin layers between 16 to 180 microns or more to create an object.
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