Lost-wax casting · Precious metals · Precious / casting metal
Gold (14K / 18K)
In yellow, white and rose tones; the precious jewelry metal that does not tarnish.
What is Gold (14K / 18K)?
14 karat (58.5%) and 18 karat (75%) gold alloys are cast in yellow, white or rose tones depending on the alloying elements. Gold does not tarnish, keeps its shine and is the most preferred precious metal for personalized designs.
- Metal
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density (14K) | ≈ 13 g/cm³ |
|---|---|
| Density (18K) | ≈ 15.5 g/cm³ |
| Minimum wall thickness | ≈ 0.6 mm |
Design guidelines for Gold (14K / 18K)
General guidelines for Lost-Wax Casting technology. All design guidelines
- Minimum wall thickness0.6 – 1 mm
- Smallest detail0.3 mm
- Clearance for moving parts0.3 mm
- Text and logosEmbossed ≥ 0.35 mm
- Minimum hole diameterØ 0.8 mm
- Unsupported overhang angleFor the pattern, ≥ 30° from horizontal; flatter surfaces need support
Applications
- Wedding and engagement rings
- Personalized jewelry
- Medallions
Advantages
- Does not tarnish
- High perceived value
Limitations
- Expensive
- Heavy
Comparison
Gold (14K / 18K) and alternatives
| Property | Gold (14K / 18K) | Sterling silver 925 | Brass |
|---|---|---|---|
| Density | 14.2 g/cm³ | 10.4 g/cm³ | 8.5 g/cm³ |
| Tensile strength | — | — | — |
| Elongation at break | — | — | — |
| Modulus (stiffness) | — | — | — |
| Heat deflection (0.45 MPa) | — | — | — |
Values are averages of typical ranges; see each material page for details.
Good to know
Frequently asked questions about Gold (14K / 18K)
What is Gold (14K / 18K)?
14 karat (58.5%) and 18 karat (75%) gold alloys are cast in yellow, white or rose tones depending on the alloying elements. Gold does not tarnish, keeps its shine and is the most preferred precious metal for personalized designs.
Is Gold (14K / 18K) heat resistant?
Gold (14K / 18K) is a metal; it keeps its strength at much higher temperatures than polymers.
Can Gold (14K / 18K) be used outdoors?
Yes. Gold (14K / 18K) has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Gold (14K / 18K)?
Gold (14K / 18K) is typically used in applications such as wedding and engagement rings, personalized jewelry, medallions.
Which material can be used instead of Gold (14K / 18K)?
Depending on the application, Sterling silver 925, Brass can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Gold (14K / 18K)?
For Gold (14K / 18K), send us your part's dimensions, quantity and operating conditions; we will determine the best production route and, if needed, an equivalent alternative together.
Lost-wax casting · Precious metals
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