Copper Pipes, Tubes, Coils & Fittings
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Brass Tubes for Furniture & Lighting Fixtures
Product Overview
Brass tubes for furniture and lighting fixtures supplied by R V Metal Corporation are engineered to deliver a perfect balance of aesthetics, strength, and workability. Manufactured from high-quality brass alloys, these tubes offer excellent surface finish, consistent dimensional accuracy, and superior corrosion resistance, making them ideal for decorative as well as structural applications. Widely used in premium furniture frames, table bases, chair components, handrails, and architectural elements, these brass tubes also play a critical role in modern and traditional lighting fixtures such as lamp arms, chandelier structures, pendant lights, and designer luminaires. Their excellent formability allows easy bending, cutting, welding, brazing, polishing, and plating, while the natural golden finish of brass adds a refined, luxurious appeal. R V Metal Corporation supplies brass tubes in multiple sizes, wall thicknesses, tempers, and custom finishes to meet the exact requirements of furniture manufacturers, interior designers, lighting OEMs, and architectural fabricators across domestic and international markets.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product | Brass Tubes for Furniture & Lighting Fixtures |
| Material Grades | C26000, C27000, C27200, C28000, C36000 (as per application) |
| Copper Content (Cu) | 60% – 70% (grade dependent) |
| Zinc Content (Zn) | Balance |
| Outside Diameter (OD) | 6 mm to 100 mm (custom sizes available) |
| Wall Thickness | 0.5 mm to 5.0 mm |
| Length | Standard 3 m / 4 m / 6 m or custom cut lengths |
| Form | Round tubes (square & rectangular on request) |
| Temper | Soft (Annealed), Half-Hard, Hard |
| Surface Finish | Mill finish, Polished, Buffed, Satin, Lacquered |
| Fabrication | Excellent for bending, cutting, welding, brazing & polishing |
| Standards | ASTM B135 / B587, EN 12449, IS 407, JIS H3300 |
| Applications | Furniture frames, lighting fixtures, chandeliers, décor & architectural elements |
Chemical Composition
| Grade / UNS | Common Name | Copper (Cu) % | Zinc (Zn) % | Lead (Pb) % | Iron (Fe) % | Other Elements % |
|---|---|---|---|---|---|---|
| C26000 | Cartridge Brass | 68.5 – 71.5 | Balance | ≤ 0.07 | ≤ 0.05 | ≤ 0.10 |
| C27000 | Yellow Brass 65/35 | 64.0 – 68.0 | Balance | ≤ 0.07 | ≤ 0.05 | ≤ 0.10 |
| C27200 | Yellow Brass 63/37 | 62.0 – 65.0 | Balance | ≤ 0.07 | ≤ 0.05 | ≤ 0.10 |
| C28000 | Muntz Metal | 59.0 – 63.0 | Balance | ≤ 0.07 | ≤ 0.05 | ≤ 0.15 |
| C36000 | Free Cutting Brass | 60.5 – 63.5 | Balance | 2.5 – 3.7 | ≤ 0.35 | ≤ 0.50 |
UNS Codes & Grades
| UNS Code | Grade / Alloy | Common Name | Typical Composition | Form Availability | Typical Use in Furniture & Lighting |
|---|---|---|---|---|---|
| C26000 | CuZn30 | Cartridge Brass | Cu 68–72%, Zn Balance | Round / Square / Rectangular Tubes | Decorative frames, premium lighting arms, polished furniture tubes |
| C27000 | CuZn35 | Yellow Brass 65/35 | Cu 64–68%, Zn Balance | Round / Square Tubes | Architectural furniture, lamp bodies, brushed finish components |
| C27200 | CuZn37 | Yellow Brass 63/37 | Cu 62–65%, Zn Balance | Round / Rectangular Tubes | Structural furniture parts, decorative light fittings |
| C28000 | CuZn40 | Muntz Metal | Cu 59–63%, Zn Balance | Heavy Wall Tubes | Load-bearing furniture frames, industrial-style lighting |
| C36000 | CuZn36Pb3 | Free-Cutting Brass | Cu 60–63%, Zn Balance, Pb 2.5–3.7% | Machined Tube Sections | Threaded lamp holders, machined joints & connectors |
| C38500 | CuZn39Pb3 | Architectural Brass | Cu 57–61%, Zn Balance, Pb ≤3% | Extruded Profiles & Tubes | Designer furniture, ornamental lighting profiles |
Mechanical, Physical & Fabrication Properties
| Property Category | Property | Typical Values / Characteristics | Relevance for Furniture & Lighting Fixtures |
|---|---|---|---|
| Mechanical Properties | Tensile Strength | 300 – 550 MPa (grade & temper dependent) | Ensures structural integrity for furniture frames and light arms |
| Yield Strength | 120 – 350 MPa | Prevents permanent deformation under service loads | |
| Elongation | 20 – 45% | High ductility allows smooth bending and forming without cracking | |
| Hardness | HV 80 – 150 (Soft / Half-Hard / Hard) | Selectable temper for decorative vs load-bearing components | |
| Physical Properties | Density | 8.4 – 8.6 g/cm³ | Provides solid, premium feel for luxury furniture and lighting |
| Thermal Conductivity | 105 – 130 W/m·K | Aids heat dissipation in lighting fixtures | |
| Electrical Conductivity | 20 – 30 % IACS | Sufficient for grounding and decorative electrical elements | |
| Corrosion Resistance | Good in indoor & mild atmospheric conditions | Maintains appearance and durability over long service life | |
| Fabrication Properties | Formability | Excellent (especially C260 / C270 grades) | Ideal for curved, artistic and custom furniture designs |
| Bendability | Very good in annealed condition | Allows tight-radius bends for lighting arms and frames | |
| Machinability | Good to excellent (free-cutting grades highest) | Supports precision joints, threads and connectors | |
| Weldability / Brazability | Good with proper filler and flux | Reliable joining for frames and decorative assemblies | |
| Surface Finish Compatibility | Polishing, brushing, lacquering, plating | Essential for premium aesthetic finishes in furniture & lighting |
Common Names & International Identifiers
| Category | Common / Trade Name | UNS / Alloy Code | International Standard | Region / Industry Usage |
|---|---|---|---|---|
| Cartridge & Decorative Brasses | Cartridge Brass Tube | C26000 | ASTM B135 / EN CW505L | Furniture frames, premium lighting fixtures, decorative tubing |
| Yellow Brass Tube | C27000 | ASTM B135 / EN CW508L | Architectural furniture, lamps, chandeliers | |
| Commercial Brass Tube | C22000 | ASTM B135 / EN CW617N | General-purpose furniture components | |
| High-Zinc Brasses | Architectural Brass Tube | C28000 | ASTM B135 / EN CW509L | Structural decorative elements, designer furniture |
| Deep Drawing Brass | C26800 | ASTM B135 / EN CW504L | Complex-shaped lighting fixtures and artistic forms | |
| European / International Names | Ms63 Brass Tube | C27200 | DIN 17660 / EN CW508L | European furniture and lighting manufacturers |
| CuZn30 Brass Tube | C26000 | EN CW505L | Designer lighting, premium décor segments | |
| Indian / Asian Trade Names | IS 319 Brass Tube | C26000 / C27000 | IS 319 Grade I / II | Furniture, lighting, architectural fabrication in India |
| Decorative Brass Pipe | — | Customer / OEM Specification | Custom furniture & bespoke lighting applications |
Standards & International Equivalents
| Region / Country | Standard | Standard Number | Equivalent Alloy / Grade | Typical Designation | Application Relevance |
|---|---|---|---|---|---|
| USA | ASTM | ASTM B135 / ASTM B587 | C26000, C27000, C26800 | Cartridge Brass, Yellow Brass | Furniture frames, lighting fixtures, decorative tubes |
| Europe | EN | EN 12164 / EN 12168 | CW505L, CW508L, CW504L | CuZn30, CuZn37 | Architectural furniture, designer lighting |
| Germany | DIN | DIN 17660 | CuZn30, CuZn37 | Ms63, Ms70 | Decorative brass structures and lighting components |
| India | BIS | IS 319 | Grade I / Grade II | Free-Cutting / Cartridge Brass | Furniture, lighting, architectural fabrication |
| Japan | JIS | JIS H3300 | C2600, C2680 | BsBM, BsC | Precision decorative and lighting assemblies |
| United Kingdom | BS | BS EN 12164 / BS EN 12168 | CW505L, CW508L | CuZn30, CuZn37 | High-end furniture & lighting fabrication |
| International | ISO | ISO 426-1 / ISO 426-2 | CuZn30, CuZn37 | Wrought Brass Tubes | Global OEM and export-oriented furniture products |
| Custom / OEM | OEM Specification | As per drawing | Custom brass composition | Decorative / Architectural Brass | Bespoke furniture & designer lighting projects |
Applications
| Application Area | Specific Use | Preferred Brass Grade | Common Tube Shapes | Typical Surface Finish | Key Functional Requirement |
|---|---|---|---|---|---|
| Furniture Frames | Chairs, tables, stools, shelving structures | C26000 / CW505L | Round, Square, Rectangular | Polished, brushed, antique | High strength with clean aesthetics |
| Decorative Furniture Elements | Handles, legs, trims, supports | C26800 / CW508L | Round, Oval | Mirror polish, matte | Excellent formability & surface finish |
| Lighting Fixture Bodies | Pendant lights, floor lamps, wall sconces | C26000 / IS 319 Grade I | Round, Tapered | Lacquered, electroplated | Uniform wall thickness & visual symmetry |
| Lighting Arms & Supports | Chandeliers, articulated lamp arms | C27000 / CW508L | Round, Square | Brushed, satin | Fatigue resistance & bendability |
| Architectural Furniture | Partitions, railings, display units | C26800 / EN 12168 | Square, Rectangular | Antique, patina | Dimensional stability & corrosion resistance |
| Luxury Interior Décor | Accent structures, decorative frameworks | C26000 / CW505L | Custom profiles | Gold-tone, PVD coated | Premium appearance & finish consistency |
| Hospitality & Retail Fixtures | Hotel furniture, showroom lighting | C27000 / IS 319 | Round, Rectangular | Brushed, clear-coated | Durability with low maintenance |
| Custom OEM Designs | Bespoke furniture & designer lighting | Custom brass alloy | As per drawing | Client-specified | Tight tolerances & repeatability |
Standard Brass Tubes for Furniture and Lightning Dimensional Chart
| Brass Tubes (Round) – Standard Sizes (Furniture & Lighting) | ||||
|---|---|---|---|---|
| Tube OD (mm) | Wall (mm) | Tube ID (mm) | Theoretical Weight (kg/m) | Weight per 6m (kg) |
| 10 | 0.60 | 8.80 | 0.151 | 0.904 |
| 12 | 0.70 | 10.60 | 0.211 | 1.267 |
| 15 | 0.80 | 13.40 | 0.303 | 1.820 |
| 16 | 0.80 | 14.40 | 0.325 | 1.948 |
| 19 | 0.90 | 17.20 | 0.435 | 2.610 |
| 22 | 1.00 | 20.00 | 0.561 | 3.365 |
| 25 | 1.00 | 23.00 | 0.641 | 3.845 |
| 25 | 1.20 | 22.60 | 0.763 | 4.576 |
| 28 | 1.20 | 25.60 | 0.859 | 5.153 |
| 32 | 1.20 | 29.60 | 0.987 | 5.922 |
| 32 | 1.50 | 29.00 | 1.222 | 7.330 |
| 38 | 1.50 | 35.00 | 1.462 | 8.772 |
| 42 | 1.60 | 38.80 | 1.726 | 10.357 |
| 50 | 1.60 | 46.80 | 2.068 | 12.408 |
| 50 | 2.00 | 46.00 | 2.564 | 15.381 |
Note: Weights are theoretical and calculated using an assumed brass density of ~8.50 g/cm³. Actual weight can vary based on brass alloy (Cu/Zn %), temper, and manufacturing tolerances. Available in cut lengths (typically 3m / 4m / 6m) and custom lengths on request. Polished, lacquered, antique, brushed, and plated finishes can be supplied as per project requirement.
| Finishes & Colour Coating Options (Industry-Standard) | |||
|---|---|---|---|
| Finish / Coating Type | Appearance | Typical Process | Common Applications |
| Mill Finish (Natural) | Raw metallic, matte | As-extruded / drawn, no surface treatment | Industrial components, concealed installations |
| Bright Annealed | Smooth, shiny, clean surface | Controlled atmosphere annealing | Decorative furniture, lighting fixtures, exposed piping |
| Mirror / Polished Finish | High-gloss reflective | Mechanical polishing & buffing | Luxury furniture, architectural décor, premium lighting |
| Satin / Brushed Finish | Uniform linear texture, low glare | Abrasive brushing | Modern furniture, handrails, designer fixtures |
| Hairline Finish | Fine directional grain | Precision belt brushing | Interior décor, display structures |
| Antique / Vintage Finish | Aged, rustic appearance | Chemical patination + sealing | Classic furniture, heritage lighting, restorations |
| Oxidized / Patina Finish | Brown / greenish patina tones | Controlled oxidation | Architectural accents, artistic installations |
| Lacquered Clear Coat | Transparent protective layer | Clear lacquer / PU coating | Furniture & décor to prevent tarnishing |
| Electroplated Nickel | Silvery metallic | Nickel electroplating | Electrical fittings, decorative hardware |
| Electroplated Chrome | Bright chrome finish | Chrome electroplating | Premium fixtures, high-wear decorative parts |
| PVD Coating – Gold | Gold / champagne gold | Physical Vapor Deposition | Luxury furniture, architectural décor |
| PVD Coating – Rose Gold | Rose gold tone | PVD coating | Designer lighting, premium interiors |
| PVD Coating – Black / Gunmetal | Dark metallic black | PVD coating | Modern furniture, minimalist décor |
| Powder Coating (RAL Shades) | Solid colour matte / gloss | Electrostatic powder coating | Furniture frames, outdoor & indoor décor |
| Epoxy Coating | Thick protective coloured layer | Epoxy resin coating | Industrial & corrosion-resistant applications |
| PVC / Plastic Coated | Coloured polymer jacket | Extruded PVC coating | Electrical, protective & touch-safe components |
Industry Note: Finish selection directly impacts corrosion resistance, aesthetics, maintenance frequency, and cost. For furniture and lighting applications, lacquered, brushed, antique, and PVD finishes are preferred. For outdoor or high-humidity environments, epoxy, powder-coated, or PVD finishes are strongly recommended.
