bedra 38500
Leaded Brass
Characteristics:
This material exhibits high strength, corrosion and wear resistance, good hot formability and weldability, but poor cold formability.
Typical applications:
It is used for parts and components requiring precision machining, such as screws, nuts, rotating parts, shafts, gears, pneumatic tools and connectors, valves, lighters, camera and watch components.
Standardization and composition
| UNS | C38500 |
|---|---|
| EN | CuZn39Pb3/CW614N |
| JIS | C3604 |
| GB | HPb58-3 |
| Cu | 57.0-61.0% |
| Pb | 1.8-3.7 % |
| Fe | ≤ 0.5% |
| Sn+Fe | ≤ 1.0% |
| Zn | balance |
Physical properties①
Note①：The testing temperature is 20℃. Note②：The testing temperature range is 20℃ to 300℃.
| Density (g/cm³) | 8.47 |
|---|---|
| Electrical conductivity (%IACS) | 25 |
| Thermal conductivity (W / m x K) | 120 |
| Coefficient of thermal expansion② (10-6/K) | 20.1 |
| Modulus of elasticity (GPa) | 96.5 |
Fabrication Properties
Note③：C36000 = 100%
| Cold workability | Poor |
| Hot workability | Excellent |
| Brazing | Good |
| Resistance welding | Not recommended |
| Machinability rating③ | 80% |
Mechanical Properties
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Hardness (HV min.) | |
|---|---|---|---|---|
| 1 ≤ Φ < 110 | F | 335 | 80 |
Dimension Tolerance and Delivery Form
Note④：The tolerances listed in the table are specified as all plus or all minus. When tolerances are specified as plus and minus (±), half the values given.
| Straight bar | Coil wire | |||||
| Diameter (mm) | Tolerance④ (mm) | Ovality (mm) | Length (mm. max.) | Straightness (mm/m max.) | ID (mm) | Weight (kg) |
| 2.0 ≤ Φ < 3.0 | 0.03 | 0.0075 | 2500 | 1.0 | 800 | 500 |
| 3.0 ≤ Φ < 6.0 | 0.04 | 0.01 | 2500 | 0.5 | 1200 | 800 |
| 6.0 ≤ Φ < 10 | 0.06 | 0.015 | 4000 | 0.5 | 1500 | 1000 |
| 10 ≤ Φ < 18 | 0.08 | 0.02 | 4000 | 0.5 | ||
| 18 ≤ Φ < 25 | 0.12 | 0.03 | 4000 | 0.5 | ||
| 25 ≤ Φ < 40 | 0.20 | 0.05 | 4000 | 0.5 | ||
| 40 ≤ Φ < 60 | 0.30 | 0.075 | 4000 | 0.5 | ||
| 60 ≤ Φ < 80 | 0.60 | 0.015 | 3000 | 3.0 | ||
| 80 ≤ Φ < 100 | 1.60 | 0.40 | 2000 | 5.0 | ||
| 100 ≤ Φ ≤ 120 | 2.00 | 0.50 | 1500 | 6.0 |
Further product information
PDF Datasheet | EN PDF Datasheet | VI PDF Datasheet | ZH
Please contact us
Sales Asia-Pacific (Excluding-India)
Sales India
Sales North America
Berkenhoff GmbH (headquarters)
- Kinzenbach plant
- Berkenhoffstrasse 14
- 35452 Heuchelheim
- Germany
- +49 641 601 0
- +49 641 601 222
- info(at)bedra.com
Berkenhoff GmbH
- Merkenbach plant
- Rehmühle 1
- 35745 Herborn
- Germany
- +49 2772 5002 0
- +49 2772 5002 155
- info(at)bedra.com
bedra Vietnam Alloy Material Co., Ltd
- Lot CN-06, Hoa Phu Industrial Park,
Mai Dinh Commune,
Hiep Hoa District, Bắc Ninh Province,
Vietnam
- +84 2043900104
- +84 2043900110
- info-asia(at)bedra.com
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