Lost-wax casting · Precious metals · Precious / casting metal
Sterling silver 925
The classic jewelry metal; bright, workable and platable.
What is Sterling silver 925?
925 sterling silver consists of 92.5% pure silver and 7.5% alloy, mostly copper. It is cast with the lost-wax method from a castable model printed with SLA, then polished, oxidized or rhodium plated.
- Metal
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density | ≈ 10.4 g/cm³ |
|---|---|
| Melting range | ≈ 800 – 900 °C |
| Minimum wall thickness | ≈ 0.6 – 0.8 mm |
Design guidelines for Sterling silver 925
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
- Rings, pendants, earrings
- Medallions and badges
- Personalized jewelry
Advantages
- Economical precious metal
- Easy to polish
Limitations
- Tarnishes over time
- Soft; scratches
Comparison
Sterling silver 925 and alternatives
| Property | Sterling silver 925 | Gold (14K / 18K) | Brass | Bronze |
|---|---|---|---|---|
| Density | 10.4 g/cm³ | 14.2 g/cm³ | 8.5 g/cm³ | 8.8 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 Sterling silver 925
What is Sterling silver 925?
925 sterling silver consists of 92.5% pure silver and 7.5% alloy, mostly copper. It is cast with the lost-wax method from a castable model printed with SLA, then polished, oxidized or rhodium plated.
Is Sterling silver 925 heat resistant?
Sterling silver 925 is a metal; it keeps its strength at much higher temperatures than polymers.
Can Sterling silver 925 be used outdoors?
Yes. Sterling silver 925 has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Sterling silver 925?
Sterling silver 925 is typically used in applications such as rings, pendants, earrings, medallions and badges, personalized jewelry.
Which material can be used instead of Sterling silver 925?
Depending on the application, Gold (14K / 18K), Brass, Bronze can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Sterling silver 925?
For Sterling silver 925, 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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