![Leaded Brass 60/40 [Cu/Zn]](/wp-content/uploads/2018/08/RCI-Logo-01.png){kind=logo}
We make available the best grade that is ideally used for the manufacture of radiator tube and tank, lock and key, and electrical contact applications.
| Alloy Names (as per RoHS specifications) | |
|---|---|
| IS/ISO | CuZn40 |
| DIN CEN/TS 13388 | CW617N |
| UNS | C28000 |
| Chemical Composition | Weight percentage |
|---|---|
| Copper [Cu] | 58.5% to 61% |
| Lead [Pb] | 0.8% to 2% |
| Zinc [Zn] | 34.5% to 40% |
| Characterists |
|---|
|
| Main Applications |
|---|
| Industrial : Locks, Metal Fittings, Keys, Hinges,bearing cages, Valve Bodies for Refrigeration, Forgings and Pressings of All Kinds. Architecture : Decoration, Hardware,Door Frames, Large Architectural Trim,Large sheet., decorative Knobs, Furniture Hardware. Consumer : Golf Putters, Valve Bodies for Scuba & Propane Spray Tanks, Valve Bodies for Agricultural Spray Tanks. Electrical : Covers, Fuse Bodies. |
Leaded Brass
Properties
- Physical Properties Typical Values in annealed temper at 20 °C
- Mechanical Properties (EN 1652)
- Fabrication Properties
| Density | 8.41 | g/cm³ |
| Thermal expansion coefficient - 191 .. 16 | 20.3 | 10-6/K |
| 0 .. 300 °C | 21 | 10-6/K |
| Specific Heat Capacity | 0.375 | J/(g.k) |
| Thermal Conductivity | 117 | W/(m.k) |
| Electrical Conductivity (1 MS/m = 1 m/(O mm²) | iY 15 | MS/m |
| Electrical Conductivity (IACS) | 26 | % |
| Thermal coefficient of electrical resistance (0 - 200°C) | 1.7 | 10-3/K |
| Modulus of elasticity (1 Gpa = 1 kN/mm²) cold formed | 99 .. 115 | Gpa |
| 102 | GPa |
| Temper | Tensile Strength Rm Mpa(N/mm2) | Yield Strength Rp0.2 MPa(N/mm2) | Elongation Minimum A50mm % | Hardness HV |
| O (Soft) | 275 Min | - | 35 Min | 85 Max |
| HB (Half Hard) | 420 Min | - | 15 Min | 100 Min |
| HD (Hard) | 490 Min | - | 5 Min | 125 Min |
| HE (Extra Hard) | 525 Min | - | 165 Min |
| 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 |
| Bytt Weld | Fair |
| Capacity for Being Cold Worked | Poor |
| Capactity for Beiing Hot Formed | Excellent |
