bedra 62200
Aluminum Bronze
Characteristics：
bedra 62200 is a special high-strength bronze, the addition of iron and nickel enhances strength and corrosion resistance, while the increased aluminum content forms a hard beta phase in the microstructure, improving overall strength and hardness. This alloy uniquely combines high strength, good fatigue resistance, excellent wear and abrasion resistance, along with oxidation resistance and corrosion resistance in seawater and other aggressive environments. It also maintains high strength at elevated temperatures.
Typical applications:
It is widely used in marine hardware, including gears, bearings, bushings, bearing races, pump parts, valve bodies, and also components of plastic injection molds.
Standardization and composition
| EN | CuAl11Ni6Fe6 (CW308G) |
|---|---|
| GB | QAl11-6-6 |
| Cu | balance |
| Al | 10.0-11.5% |
| Fe | 5.0-6.5% |
| Ni | 5.0-6.5% |
| Mn | ≤ 0.50% |
| Zn | ≤ 0.60% |
| Sn | ≤ 0.20% |
| Pb | ≤ 0.05% |
| Si | ≤ 0.20% |
Physical properties①
Note①：The testing temperature is 20℃. Note②：The testing temperature range is 20℃ to 300℃.
| Density (g/cm³) | 7.6 |
|---|---|
| Metling temperature (℃) | 1054 |
| Electrical conductivity (%IACS) | 7 |
| Thermal conductivity (W / m x K) | 39.1 |
| Coefficient of thermal expansion② (10-6/K) | 15.6 |
| Modulus of elasticity (GPa) | 121 |
Fabrication Properties
Note③：C37700 = 100% Note④：C36000 = 100%
| Cold workability | Poor |
| Hot workability | Good |
| Brazing | Fair |
| Resistance welding | Good |
| Forgeability rating ③ | 75% |
| Machinability rating ④ | 30% |
Mechanical Properties⑤
Note⑤：bedra technical standards
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (A% min.) | Hardness (HBW min.) |
|---|---|---|---|---|---|
| 10 ≤ Ф ≤ 120 | R740 | 740 | 420 | 5 | 170 |
| 10 ≤ Ф ≤ 80 | R830 | 550 | / | 200 | / |
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 | ||||
| Diameter (mm) | Tolerance⑥ (mm) | Ovality (mm) | Length (mm. max.) | Straightness (mm/m max.) |
| 10 ≤ Φ < 18 | 0.16 | 0.08 | 3600 | 1.0 |
| 18 ≤ Φ < 50 | 0.30 | 0.15 | 4000 | 1.0 |
| 50 ≤ Φ < 60 | 0.40 | 0.20 | 4000 | 1.0 |
| 60 ≤ Φ < 70 | 0.80 | 0.40 | 3000 | 3.0 |
| 70 ≤ Φ < 90 | 1.20 | 0.60 | 4000 | 3.0 |
| 90 ≤ Φ ≤ 120 | 2.00 | 1.00 | 2000 | 5.0 |
Other Delivery Forms
Square rods, Rectangular rods, 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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