Do you need custom fasteners created with Brass? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.
Below are the technical specifications of the Brass Bar Stock we have available to meet your needs.
Medium-leaded brass, UNS C34000, OSO25 Temper rod
Subcategory: Brass; Copper Alloy; Metal; Nonferrous Metal Key Words: 340 brass, CZ118, ISO CuZn35Pb1, CEN CW600N
| Component | Wt. % |
| Cu | 62.5 – 66.5 |
| Fe | Max 0.1 |
| Other | Max 0.5 |
| Pb | 0.8 – 1.4 |
| Zn | 34 |
Material Notes: Please Note: Zinc content is calculated as a remainder. Fair to excellent corrosion resistance. Fabricated by blanking, heading and upsetting, machining, piercing and punching, roll threading and knurling, stamping. Applications: couplings, free machining screws and rivets, gears, nuts, or tire valve stems.
Test specimen: rod – 25mm diameter.
| Physical Properties | Metric | English | Comments |
| Density | 8.47 g/cc | 0.306 lb/in³ | at 20°C (68°F) |
| Mechanical Properties | |||
| Hardness, Rockwell F | 70 | 70 | |
| Tensile Strength, Ultimate | 345 MPa | 50000 psi | |
| Tensile Strength, Yield | 135 MPa | 19600 psi | 0.5% extension under load |
| Elongation at Break | 60 % | 60 % | In 50 mm |
| Modulus of Elasticity | 105 GPa | 15200 ksi | |
| Poisson’s Ratio | 0.346 | 0.346 | |
| Machinability | 60 % | 60 % | UNS C36000 (free-cutting brass) = 100% |
| Shear Modulus | 39 GPa | 5660 ksi | |
| Shear Strength | 235 MPa | 34100 psi | |
| Electrical Properties | |||
| Electrical Resistivity | 6.6e-006 ohm-cm | 6.6e-006 ohm-cm | |
| Thermal Properties | |||
| CTE, linear 250°C | 20.3 µm/m-°C | 11.3 µin/in-°F | from 20-300°C (68-570°F) |
| Heat Capacity | 0.38 J/g-°C | 0.0908 BTU/lb-°F | |
| Thermal Conductivity | 115 W/m-K | 798 BTU-in/hr-ft²-°F | at 20°C (68°F) |
| Melting Point | 885 – 925 °C | 1630 – 1700 °F | |
| Solidus | 885 °C | 1630 °F | |
| Liquidus | 925 °C | 1700 °F | |
| Processing Properties | |||
| Annealing Temperature | 425 – 650 °C | 797 – 1200 °F | |
| Recrystallization Temperature | 288 °C | 550 °F | |
