Electroplating for Furniture
Chrome, nickel, gold — mirrors of industrial alchemy
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Electroplating is the electrochemical deposition of a thin metal layer (chrome, nickel, gold, brass, copper) onto a surface. Thickness: 0.5–50 µm. Chrome hardness: 800–1,100 HV (harder than any coating except DLC). Applications in furniture: handles, legs, decorative elements, faucets, hinges, mechanisms. Finish: mirror, satin, matte. Standards: EN 1456, ASTM B456, ISO 1456.
TECHNICAL PASSPORT
Reception Space uses electroplating on 25% of projects: chrome table and chair legs, brass handles, nickel-plated hinges, gold-plated decorative elements. Why electroplating? 1) Mirror finish — neither PVD nor painting matches its reflectivity. 2) Variety: chrome (silver), nickel (warm silver), brass (gold), copper (rose gold). 3) Tactile: cool metal, weight. Limitations: environmentally controversial (Cr⁶+ carcinogenic, transitioning to Cr³+), cost for large parts, impossible on wood/plastic without metallization.
Varieties & Types
Chrome Plating
$$$Decorative: 0.2–1 µm; Hard: 25–250 µm
Mirror chrome: signature of furniture hardware. Hardness: 800–1,100 HV. Decorative: thin layer over nickel (Cu-Ni-Cr system). Hard: for mechanisms. Satin chrome: matte velvet effect (sandblasting before chrome).
Nickel Plating
$$Electrolytic and electroless (Ni-P)
Warm silver: nickel gives yellowish tone (vs cool chrome). Electroless nickel (Ni-P): uniform on any geometry. For handles, hinges, fasteners. Often an underlayer beneath chrome.
Gold Plating & Brass Plating
$$$–$$$$$Au, Cu-Zn electroplating
Gold plating: 0.5–5 µm Au (24K, 18K, rose). For premium hardware, décor, handles. Brass plating: Cu-Zn (gold imitation, 50× cheaper). For mass hardware. Lacquer finish mandatory (prevents tarnishing).
Copper Plating
$$–$$$Cu electroplating, with lacquer finish
Rose gold / vintage copper. As standalone finish (with lacquer) or underlayer before nickel/chrome. 2024–2026 trend: aged copper (green patina) for Art Deco and loft furniture.
Advantages
- ✓Mirror finish — 65–70% reflectance (chrome). Neither PVD nor paint matches this reflection. Visual luxury
- ✓Chrome hardness — 800–1,100 HV: harder than a knife, harder than PVD TiN. Handles and faucets stay scratch-free for years
- ✓Finish variety — mirror, satin, matte × chrome, nickel, gold, brass, copper = 15+ combinations
- ✓Tactile quality — cool metal feel, real weight. Heavier and more substantial than PVD coatings
- ✓Precise thickness — electrochemical control to 0.1 µm. Threaded connections remain functional
- ✓Historically proven — chrome plating since the 1920s. Mies van der Rohe furniture: chrome intact after 100 years
Limitations
- ⚠Environmental concerns — Cr⁶+ carcinogenic (REACh restrictions since 2024). Transition to Cr³+ ongoing. Wastewater treatment costly
- ⚠Cost — chrome plating: from $9/dm² (vs powder coating: from $3/sq ft). Gold plating: from $30/dm²
- ⚠Tank size — standard: 6.5 × 2.5 × 4 ft. Large parts (countertops): impossible
- ⚠Nickel allergy — EN 1811: restrictions for items with prolonged skin contact. Chrome over Ni layer resolves this
- ⚠Not for wood — requires metallic base. Plastic: only with vacuum metallization (underlayer)
- ⚠Corrosion risk — if Cu-Ni-Cr is damaged: pitting corrosion. Chrome protects only while intact
Applications
Furniture handles — 60% of market: chrome and nickel plated. Mirror chrome: classic. Satin: minimalism.
Chair and table legs — chrome-plated tubes: Bauhaus heritage. Barcelona Chair, Brno Chair, Wassily Chair. Steel + Cu-Ni-Cr.
Faucets and taps — 90% of market: chrome plating. Brass bodies + Cu-Ni-Cr: standard for Grohe, Hansgrohe, Kohler.
Hinges and mechanisms — nickel plated: Blum, Hettich, Grass. Electroless nickel Ni-P: uniformity on complex geometry.
Decorative elements — gold plating: for luxury furniture, chandeliers, mirror frames. 24K: museum quality. 18K: furniture.
Retro and vintage — brass plating + patina: Art Deco, steampunk. Copper plating + aging: loft.
Pricing & Economics
Pricing Factors
- ·Coating type — nickel: base. Chrome: × 1.5–2. Gold: × 5–30
- ·Quantity — batch > 100 pcs: 20–40% discount. Single pieces: × 2
- ·Finish — mirror: standard. Satin: +20%. Matte: +30%
- ·System — single-layer Ni: budget. Cu-Ni-Cr: × 2–3 (3 layers)
- ·Geometry — flat parts: standard. Complex 3D: +50–100%
Care & Longevity
Daily Care
Soft cloth + neutral cleaner. Chrome: microfiber (fingerprints show on mirror surfaces).
What to Avoid
Abrasives — destroy mirror polish (irreversible). Chlorine-based cleaners — pitting corrosion. Ammonia — damages nickel sublayer.
Periodic Maintenance
Chrome polish: specialty paste (Autosol, Mothers) every 3–6 months. Unlacquered brass/copper: tarnish removal (Brasso).
Professional Care
Chrome re-polishing: from $12/dm². Re-plating: from $18/dm² (stripping + application). Usually cheaper to replace the part.
Expert Reviews
Average Rating · 5 expert reviews
«20 years in electroplating: chrome is an eternal classic. Cu (5–10 µm) + Ni (20+ µm) + Cr (0.3 µm) system: 200+ h salt spray. Secret is in the nickel: thicker and more uniform Ni = longer-lasting chrome. Transitioning to Cr³+ (REACh): visually identical result, ecology — dramatically better.»
«Brass handles and gold-plated hardware — 30% of my projects. 18K electroplated gold: tactile — real metal, visual — 'old money.' PVD alternative is cheaper but thinner and cooler to touch. For luxury: electroplating only. Problem: finding a quality shop (3 out of 10 — defects within 6 months).»
«Chrome chair legs: our Bauhaus heritage. 25mm steel tube + Cu-Ni-Cr: mirror chrome. 8 years of production: if Ni > 20 µm — zero complaints. If you cut corners (Ni < 10 µm) — rust within a year. Cheap chrome = expensive mistake. Quality: from $12/chair (plating only).»
«Table with chrome legs: after 3 years — one leg (near floor) developed spot marks (pitting). Likely cleaning products + moisture. Other 3 legs — perfect. Fabricator: 'probably thin nickel at that spot.' On expensive chairs (Knoll) — nothing after 10 years. Conclusion: cheap chrome is a gamble.»
«Restoring 1930s–60s chrome furniture: strip → re-polish → Cu-Ni-Cr from scratch. 80% of original chrome still in decent condition after 60–80 years. That says everything about longevity. Modern plating: better chemistry, worse integrity (cutting thickness). A 1929 chair — chrome better than a 2020 chair.»
Frequently Asked Questions
Chrome: mirror finish (65–70% reflectance), tactile 'real metal' feel, 100 years proven, but: Cr⁶+ toxic, large parts difficult, corrodes if damaged. PVD: more eco-friendly, wider palette, doesn't corrode, but: thinner (0.3–5 µm vs 0.5–50 µm), costlier for small batches. For handles/faucets: both work. For designer colors: PVD.
Quality Cu-Ni-Cr system (20+ µm Ni + 0.3–0.5 µm Cr): 15–20 years interior. Barcelona Chair: 1929 originals — chrome preserved. Problem: cheap plating (thin layer without Cu): corrosion in 2–3 years. Check Ni thickness: minimum 15 µm for furniture.
The finished coating is safe. Chrome (Cr⁰) on surfaces is inert. Nickel — allergen with prolonged skin contact (EN 1811): for handles (brief contact) — ok. The PROCESS is dangerous: Cr⁶+ is carcinogenic (for plant workers). REACh restricts Cr⁶+ since 2024. Transition to Cr³+ is safer.
Electroplated gold: yes, real gold (Au). 24K (999.9) for museum restoration. 18K for furniture (stronger). Thickness: 0.5–5 µm (thin layer). 1 sq ft ≈ 0.2–1 g gold. Alternative: gold PVD (TiN — gold-toned, but not Au). Budget option: brass plating (Cu-Zn imitation, 50× cheaper).
Mirror: base polished to Ra 0.01–0.05 µm → plating → 65–70% reflectance. Satin: base sandblasted/brushed (Ra 0.3–1.0 µm) → plating → soft matte sheen. Same protective properties, different aesthetics. Satin hides fingerprints (more practical for handles).
Yes — vacuum metallization (underlayer) + electroplating. Automotive: bumpers, trim (ABS plastic). For furniture: decorative elements. Limitations: only ABS and ABS/PC plastics (chemical etching). Durability: lower than on metal. Trend: replacing chrome with PVD (more eco-friendly).
Because the BASE rusts (brass/steel), not the chrome. Causes: 1) Thin nickel (< 10 µm) — corrosion penetrates. 2) Mechanical damage — even a micro-scratch = path for water. 3) Chlorinated water — accelerates pitting. Premium faucets (Grohe, Hansgrohe): Cu-Ni-Cr 30+ µm — 10+ years trouble-free.
Mirror chrome (Cu-Ni-Cr): $3–18/pc (depends on size and geometry). Satin: +20%. Batch 100+ pcs: 30–40% discount. Nickel (cheaper): $2–9/pc. Gold plating: $30–180/pc (depends on Au thickness). Comparison: PVD handle coating: $18–48/pc.
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