bedra 68350
Silicon Brass
Characteristics：
bedra 68350 alloy is a lead-free silicon brass alloy offers an excellent combiation of mechanical properties, machinability, and corrosion resistance. It is an environmentally friendly material that complies with the RoHS directive.
Typical applications:
This alloy is widely used as faucet parts, sanitary wares, valves, electrical parts, and terminals for air conditioners.
Standardization and composition
| UNS | C68350 |
|---|---|
| GB | HSi62-0.6 |
| Cu | 59.0-64.0% |
| Pb | ≤ 0.09% |
| Si | ≤ 0.3-1.0% |
| Sn | ≤ 0.06% |
| P | ≤ 0.05-0.1% |
| Zn | balance |
Physical properties①
Note①：The testing temperature is 20℃. Note②：The testing temperature range is 20℃ to 300℃.
| Density (g/cm³) | 8.33 |
|---|---|
| Metling temperature (℃) | 910 |
| Electrical conductivity (%IACS) | 22 |
| Thermal conductivity (W / m x K) | 79 |
| Coefficient of thermal expansion② (10-6/K) | 17.5 |
| Modulus of elasticity (GPa) | 108.9 |
Fabrication Properties
Note③：C37700 = 100% Note④：C36000 = 100%
| Capacity for being cold worked | Excellent |
| Capacity for being hot formed | Excellent |
| Brazing | Excellent |
| Resistance welding | Poor |
| Forgeability rating③ | 65% |
| Machinability rating④ | 100% |
Mechanical Properties⑤
Note⑤：bedra technical standards
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (% min.) | Hardness (HV5 min.) |
|---|---|---|---|---|---|
| 3.0 ≤ Ф < 12 | H02 | 450 | / | 3.0 | 145 |
| 12 ≤ Ф < 25 | H02 | 420 | / | 5.0 | 140 |
| 25 ≤ Ф < 50 | H02 | 420 | / | 8.0 | 135 |
| 50 ≤ Ф ≤ 80 | H02 | 390 | / | 10 | 130 |
Dimension Tolerance and Delivery Form
Note⑥：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) | Tolerance⑥ (mm) | Ovality (mm) | Length (mm. max.) | Straightness (mm/m max.) | ID (mm) | weight (kg) |
| 3.0 ≤ Φ < 6.0 | 0.02 | 0.010 | 3600 | 0.5 | 800 | 500 |
| 6.0 ≤ Φ < 10 | 0.03 | 0.015 | 3600 | 0.5 | 1200 | 800 |
| 10 ≤ Φ < 18 | 0.04 | 0.020 | 3600 | 0.5 | 1500 | 1000 |
| 18 ≤ Φ < 25 | 0.06 | 0.030 | 6000 | 0.5 | ||
| 25 ≤ Φ < 40 | 0.10 | 0.050 | 6000 | 0.5 | ||
| 40 ≤ Φ < 60 | 0.15 | 0.750 | 4000 | 0.5 | ||
| 60 ≤ Φ < 80 | 0.30 | 0.150 | 3000 | 2.0 |
Other Delivery Forms
Tubes, Profiles
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
Sales Europe
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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