bedra46500
Tin Brass

Characteristics:
This copper-tin-zinc ternary alloy offers high mechanical strength, excellent corrosion and wear resistance, as well as superior fabrication characteristics such as hot workability and machinability. It is widely employed in sanitary ware, valves, and other related applications.
Typical applications:
The alloy is primarily utilized in sanitary ware, refrigeration and plumbing valve bodies, as well as other related industries.
Standardization and composition
| UNS | C46500 |
|---|---|
| EN | / |
| JIS | / |
| GB | / |
| Cu | 59.0-62.0% |
| Pb | ≤ 0.2% |
| Sn | 0.5-1.0% |
| As | 0.02-0.06% |
| Fe | ≤ 0.1% |
| Zn | balance% |
Physical properties①
Note①:The testing temperature is 20℃. Note②:The testing temperature range is 20℃ to 300℃.
| Density (g/cm³) | 8.41 |
|---|---|
| Metling temperature (℃) | 898.9 |
| Electrical conductivity (%IACS) | 26 |
| Thermal conductivity (W / m x K) | 116 |
| Coefficient of thermal expansion② (10-6/K) | 21.2 |
| Modulus of elasticity (GPa) | 103 |
Fabrication Properties
Note③:C37700 = 100% Note④:C36000 = 100%
| Cold workability | Fair |
| Hot workability | Excellent |
| Brazing | Excellent |
| Resistance welding | Good |
| Forgeability rating③ | 90% |
| Machinability rating④ | 30% |
Mechanical Properties⑤
Note⑤:bedra technical standard
| Temper | Diameter(mm) | Tensile Strength(Mpa min.) | Yield Strength(Mpa min.) | Elongation(A50mm% min.) | Hardness(HRB min.) |
|---|---|---|---|---|---|
| M07 | Φ ≤ 80 | 345 | 140 | 35 | / |
Dimension Tolerance and Delivery Forms
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 max.) | Length(mm max.) | Straightness(mm/m max.) | ID(mm) | Weight(kg) |
| 3 ≤ Φ < 6 | 0.03 | 0.015 | 4000 | 0.5 | 800 | 100 |
| 6 ≤ Φ < 10 | 0.05 | 0.025 | 4000 | 0.5 | 1400 | 500 |
| 10 ≤ Φ < 18 | 0.06 | 0.03 | 4000 | 0.5 | 1600 | 1000 |
| 18 ≤ Φ < 25 | 0.08 | 0.04 | 4000 | 0.5 | / | / |
| 25 ≤ Φ < 40 | 0.18 | 0.09 | 4000 | 0.5 | / | / |
| 40 ≤ Φ < 60 | 0.18 | 0.09 | 4000 | 0.75 | / | / |
| 60 ≤ Φ < 80 | 0.30 | 0.15 | 3000 | 1.0 | / | / |











