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Brand New 925 Sterling Silver Chain 20" 27.4g N925-171
- Product Code: N925-171
- Availability: In Stock
£104.00
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Brand New 925 Sterling Silver Chain 20" 27.4g N925-171
This brand new 925 sterling silver link chain represents the pinnacle of contemporary metallurgical standards. Fully assayed and UK-hallmarked, this 27.4-gram specimen offers a substantial physical presence, ensuring durability for daily wear while maintaining the intrinsic value of a high-purity silver asset verified by H.E. Phillips Ltd.
Net Mass
27.40g
Calibrated Scale
Alloy Grade
925 Silver
Sterling Standard
Linear Span
20 Inches
Standard Length
Reference
N925-171
Serial Identity
Assay Status
Hallmarked
UK Verified
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Alloy Stability
| Material | Silver % | Specific Gravity | Purity Verification | Application |
|---|---|---|---|---|
| Sterling Silver | 92.5% | 10.49 g/cm³ | UK Assay Hallmark | High-Strength Links |
| Fine Silver | 99.9% | 10.49 g/cm³ | Bullion Stamp | Decorative Only (Soft) |
| Silver Plated | <1% | Variable | None | Base Metal Core |
Table 1 Analysis: This 27.4g chain is composed of solid 925 Sterling Silver, ensuring the structural rigidity required for daily wear. Unlike plated alternatives, this item maintains its metallurgical integrity throughout its volume, verified by official UK hallmarking.
2. Dimensional Analysis & Gauge Density
| Parameter | Measurement | Tolerance | Technical Insight |
|---|---|---|---|
| Width | 5.1 mm | ± 0.1 mm | Substantial visual profile |
| Depth | 1.8 mm | ± 0.1 mm | Resistant to crushing forces |
| Linear Density | 1.37g / Inch | Nominal | High-mass solid link construction |
Table 2 Analysis: The 5.1mm width provides a bold aesthetic without compromising comfort. The mass-to-length ratio confirms these are solid links, which are technically superior to hollow alternatives found in many new silver chains.
3. Fastener Mechanical Integrity Audit
| Component | Material | Mechanism | Security Rating |
|---|---|---|---|
| Clasp Type | Solid 925 Silver | Internal Spring Tension | Professional Grade |
| Connection | Soldered Jump Ring | Continuous Metal Bond | Maximum Security |
| Hallmark Location | Terminal Link/Clasp | Stamped Identification | Official Certification |
Table 3 Analysis: Every terminal connection is verified to ensure zero-gap closure. For a chain of 27.4g, the mechanical stress on the fastener is significant; our audit ensures the spring mechanism is factory-standard and reliable.
4. Material Purity & Hallmarking Standards
| Marking | Requirement | Legal Status | Consumer Protection |
|---|---|---|---|
| Hallmark | Mandatory (>7.78g) | Legal UK Standard | Guarantees 92.5% Purity |
| 925 Stamp | Optional/Retail | Self-Certified | No Independent Audit |
| Maker's Mark | Verification of Source | Traceable | Accountability |
Table 4 Analysis: In the UK, any silver item over 7.78 grams must be hallmarked. This 27.4g chain exceeds this threshold nearly fourfold, and our full assay hallmark provides the ultimate legal assurance of its silver content.
5. Structural Center of Gravity & Drape
| Length | Style | Positioning | Pendant Compatibility |
|---|---|---|---|
| 20" (Standard) | Unisex | Mid-Sternum | High (Supports up to 40g) |
| 18" (Short) | Classic | Collarbone | Moderate |
| 24" (Long) | Statement | Chest | Heavy Pendants |
Table 5 Analysis: The 20-inch length is a versatile standard. Given the 27.4g weight, it is technically ideal for supporting a substantial second-hand silver pendant charm or a new gold pendant without sagging or straining.
6. Environmental Durability & Care Protocol
| Factor | Risk | Mitigation | Result |
|---|---|---|---|
| Oxidation | Surface Tarnish | Polishing Cloth | Restored Lustre |
| Abrasion | Micro-scratches | Avoid abrasive cleaners | Longevity of Finish |
| Chlorine | Chemical Pit | Remove in pools | Structural Integrity |
Table 6 Analysis: Sterling silver is highly durable but reacts to sulfur in the air. We recommend regular maintenance with specialized cloths to keep this brand new piece at factory specular reflection levels.
7. Retail Authority & Accountability
| Metric | H.E. Phillips Ltd | General Online Retailers |
|---|---|---|
| Purity Proof | Full UK Hallmarking | Often Stamped Only |
| Weight Accuracy | Precision Verified (27.4g) | Estimated Weights |
| History | Est. August 2000 | Variable |
Table 7 Analysis: Buying from H.E. Phillips Ltd ensures that technical data—from weight to hallmarking—is verified by experts with decades of experience at our Totnes workshop.
20 Technical FAQs: Silver Metallurgy & Asset Integrity
Metallurgical Purity & Hallmarking
1. What exactly does 925 Sterling Silver represent in this chain?
Sterling Silver is an alloy consisting of 92.5% pure silver and 7.5% other metals, typically copper. This specific ratio is used because pure silver is too soft for functional jewellery like a 20-inch chain; the copper provides the necessary hardness for the links to retain their shape and resist wear over time.
2. Why is UK hallmarking critical for this 27.4g item?
Under the UK Hallmarking Act 1973, any silver item weighing over 7.78 grams must be independently tested and hallmarked by an Assay Office. This hallmark is your legal guarantee that the chain has been verified to meet the 925 purity standard, providing a level of protection that simple "925" stamps cannot offer.
3. Can the silver purity be verified without damaging the chain?
Yes. Professionals use non-destructive methods such as XRF (X-ray Fluorescence) to analyze the surface composition or traditional touchstone testing. However, the existing UK hallmark already serves as the definitive, permanent record of its metallurgical verification.
4. Does the "Brand New" status affect the silver quality?
Silver quality is determined by its alloy, but "Brand New" status ensures that the chain has zero mechanical wear, no spring fatigue in the clasp, and a factory-fresh polish. This means the 27.4g weight is the original intended mass, with no loss due to decades of friction.
Structural Design & Durability
5. Is a weight of 27.4g considered "heavyweight" for a 20" chain?
Yes. For a 20-inch silver chain, 27.4g indicates a linear density of approximately 1.37g per inch. Most "fashion" or mass-produced chains of this length weigh between 5g and 10g. This chain is significantly more substantial, offering far greater tensile strength and resistance to snapping.
6. What are the benefits of solid links vs. hollow links?
Hollow links are created by wrapping thin sheets of silver over a core that is later removed, making them prone to denting and impossible to repair effectively. These solid links are cast or formed from solid wire, meaning they are much harder to damage and can be polished or repaired for a lifetime.
7. How does the 5.1mm width impact the chain's strength?
Width is a primary indicator of surface area at the friction points (where links meet). A 5.1mm width provides a large contact area, which distributes the mechanical load more evenly. This reduces the rate of "link thinning," a common cause of failure in thinner chains.
8. Is the clasp mechanism suited for this specific weight?
The clasp on this model is technically matched to its 27.4g mass. Larger chains require fasteners with stronger internal springs to prevent the weight of the chain (and any potential pendant) from accidentally triggering the opening mechanism during vigorous movement.
Maintenance & Environmental Science
9. Why does silver tarnish, and is it a sign of low quality?
Tarnish (Silver Sulfide) is a natural chemical reaction between silver and sulfur compounds in the air. It is actually a sign of purity, as it only occurs in high-grade silver alloys. It is purely a surface phenomenon and does not affect the structural integrity of the 925 alloy.
10. How should I clean a chain of this thickness?
Because the links are 5.1mm wide, debris can accumulate in the pivot points. We recommend an ultrasonic cleaning occasionally to remove organic buildup, followed by a professional polish with a silver cloth to maintain the high specular reflection of the 925 surface.
11. Can I wear this 925 silver chain in the shower?
While water itself doesn't harm silver, soaps and shampoos can leave a film that dulls the shine. Furthermore, if you live in an area with high mineral content in the water, it can accelerate tarnishing. Removing it is the best practice for maintaining the factory finish.
12. What is the impact of salt air on silver jewellery?
In coastal areas like Devon, salt air (sodium chloride) can act as a catalyst for oxidation. However, the solid 27.4g construction of this chain is an advantage here, as there is more material to withstand the professional micro-polishing needed to remove any stubborn coastal tarnish.
Investment & Financial Value
13. Does this chain hold its value over time?
Silver jewellery value is based on the "spot price" of silver plus the craftsmanship. High-mass items like this 27.4g chain have a high "melt value" floor, meaning they retain a higher percentage of their purchase price compared to lightweight fashion pieces.
14. Why is buying brand new different from pre-loved for silver?
Buying "Brand New" ensures you are the first owner, with no previous repairs, modifications, or hidden thinning of the links. It provides a clean slate for the asset's history and ensures the hallmark is crisp and the finish is perfect.
15. Is silver a good alternative to white gold or platinum?
Technically, silver offers the highest reflectivity of any metal. While it requires more cleaning than platinum, 925 sterling silver provides a similar aesthetic at a fraction of the cost, making it an excellent choice for substantial, heavyweight items like this chain.
16. Can I trade this item in later at H.E. Phillips Ltd?
Yes. We offer a sell gold or sell silver service. Because this item is hallmarked and its weight is verified at 27.4g, it is a liquid asset that we can easily evaluate for trade-in or purchase in the future.
Aesthetic Coordination & Fit
17. How does a 20-inch length fit on most people?
The 20-inch (51cm) length usually sits at the mid-sternum level for men and slightly lower for women. It is widely considered the most popular "universal" length because it fits comfortably over a t-shirt or sits neatly under a collared shirt.
18. Will this 5.1mm chain look good with a watch?
Absolutely. The cool tones of 925 silver pair perfectly with stainless steel watches. We recommend coordinating this chain with a Casio or Citizen Eco-Drive for a technically precise, modern look.
19. Can I add a pendant to this specific link design?
Yes. The 1.8mm depth and 5.1mm width are compatible with most standard pendant bails. Given the 27.4g weight, it is sturdy enough to hold even a heavy new gold pendant or a large silver charm safely.
20. Is this chain suitable for sensitive skin?
Sterling silver is generally hypoallergenic. While it contains a small amount of copper, it does not contain nickel (the most common cause of skin irritation in jewellery). As a brand new item, it is free from contaminants, making it safe for daily wear.
© 2026 H.E. Phillips Ltd - Your Official Authorised Fine Jewellery Specialist. All Technical Data verified for accuracy.
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