CuZn35Pb2
EN12164, BS EN 12167
- Builders Hardware
- Plumbing
- Marin
- Industry
Typical Uses
Builders Hardware
Drawer Handles, Drawer Pulls, Hinges
Consumer
Clock Plates and Nuts, Clock and Watch Parts, Bicycle Spoke Nipples, Key Blanks
Fasteners
Nuts, Screws, Rivets
Industrial
Instrument Backs, Automatic Screw Machine Parts, Valve Stems, Pinions, Flare Fittings, Couplings, Adapters,
Bearing Cages, Channel Plate, Wheels, Gears, Ratchets
Plumbing
Plumbers Fittings, Pipe Fittings, Faucet Seats, Faucet Stems, Plumbers’ Brass Goods
Other
Engravers Plate
CW601N
Chemical Composition
(%max, unless shown as range or min)
| Cu | Al | Fe | Ni | Pb | Sn | Zn | Others total |
| Min/Max | 62.0 – 63.5 | 0.05 | 0.1 | 0.3 | 1.6 – 2.5 | 0.1 | Rem | 0.1 |
Applicable Specifications
*BS EN12164, BS EN 12167
Fabrication Processes
* Blanking
* Machining
* Piercing ang Punching
* Roll Threading and Knurling
* Stamping
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Poor |
| Machinability Rating | 90 |
Mechanical Properties
Round and Hexagon (BS EN 12164)
| Material Condition | Nominal Cross-Sectional Dimension | Tensile Strength Rm N/mm2 min. | 0.2% Proof Strength Rp0.2 N/mm2 approx. | Elongatio A % min. | Hardness HB approx. |
| Diameter (mm) | Across – Flats (mm) |
| From | Over | Up to and
including | From | Over | Up to and
including |
| M | 2 | — | 60 | 2 | — | 50 | As Manufactured |
| R370 | 2 | — | 14 | 2 | — | 10 | 370 | (250) | 25 | (110) |
| R370 | — | 14 | 40 | — | 10 | 35 | 370 | (180) | 30 | (90) |
| R330 | — | 40 | 60 | — | 35 | 50 | 330 | (150) | 30 | (90) |
| R440 | 2 | — | 14 | 2 | — | 10 | 440 | (340) | 14 | (130) |
Rectangle (BS EN 12167)
| Material Condition | Rectangular bar thickness (mm) | Tensile Strength Rm N/mm2 min. | 0.2% Proof
Strength Rp0.2 N/mm2
approx. | Elongation A % approx. | Hardness HB min. |
| Over | Up to and
Including |
| M | All | As Munufactured |
| R440 | — | 6 | 440 | (300) | (10) | — |
| H115 | — | 6 | — | — | — | 115 |
| R400 | 6 | 60 | 400 | (180) | (25) | — |
| H100 | 6 | 60 | — | — | — | 100 |
Physical Properties
| US Customary | Metric |
| Melting Point – Liquidus | 1670 F | 910 C |
| Melting Point – Solidus | 1630 F | 888 C |
| Density | 0.306 lb/in3 at 68 F | 8.47 gm/cm3 at 20 C |
| Specific Gravity | 8.47 | 8.47 |
| Electrical Resistivity | 39.9 ohms-cmil/ft at 68 F | 6.63 microhm-cm at 20 C |
| Electrical Conductivity | 26 %IACS at 68 F | 0.152 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 67.0 Btu · ft/(hr · ft2·°F) at 68 F | 116.0 W/m ·°K at 20 C |
| Coefficient of Thermal Expansion | 11.3·10-6 per °F (68-572 F) | 20.3·10-6 per °C (20-300 C) |
| Modulus of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Modulus of Rigidity | 5600 ksi | 38610 MPa |
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