The high leaded naval brass is available in compliance with ASTM B21, AMS 4611 standards and is appreciated for high thermal and electrical conductivity. The material is highly ductile and easy to weld and is also appreciated for creeping resistance and low volatility under high vacuum.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 63.00 | 66.00 |
| Pb | 1.00 | 2.00 |
| Sn | 1.20 | 2.00 |
| Fe | 0.10 | 1.00 |
| Total Others | – | 0.40 |
| Zn | Remainder |
Mechanical Properties According To ASTM B21 (As Per Temper HO2)
| Range (Inch) | From | To | UTS Min (ksi) | PS Min (ksi) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 0.059 | 0.500 | 58 | 30 | 18 | – | – |
| 0.500 | 1.000 | 56 | 30 | 20 | – | – |
| 1.000 | 2.000 | 54 | 25 | 22 | – | – |
| 2.000 | 2.952 | 50 | 25 | 25 | – | – |
| Hex (A/F) | 0.118 | 0.500 | 58 | 30 | 18 | – | – |
| 0.500 | 1.000 | 56 | 30 | 20 | – | – |
| 1.000 | 2.000 | 54 | 25 | 22 | – | – |
| 2.000 | 2.756 | 50 | 25 | 25 | – | – |
| Square (A/F) | 0.118 | 0.500 | 58 | 30 | 18 | – | – |
| 0.500 | 1.000 | 56 | 30 | 20 | – | – |
| 1.000 | 2.000 | 54 | 25 | 22 | – | – |
| 2.000 | 2.362 | 50 | 25 | 25 | – | – |
| Range (mm) | From | To | UTS Min (MPa) | PS Min (MPa) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 1.5 | 12 | 400 | 210 | 18 | – | – |
| 12 | 25 | 390 | 210 | 20 | – | – |
| 25 | 50 | 375 | 175 | 22 | – | – |
| 50 | 75 | 345 | 175 | 25 | – | – |
| Hex (A/F) | 3 | 12 | 400 | 210 | 18 | – | – |
| 12 | 25 | 390 | 210 | 20 | – | – |
| 25 | 50 | 375 | 175 | 22 | – | – |
| 50 | 70 | 345 | 175 | 25 | – | – |
| Square (A/F) | 3 | 12 | 400 | 210 | 18 | – | – |
| 12 | 25 | 390 | 210 | 20 | – | – |
| 25 | 50 | 375 | 175 | 22 | – | – |
| 50 | 60 | 345 | 175 | 25 | – | – |
| PHYSICAL PROPERTIES |
| Densitylb/cu in. at 68 0F | 8.2g/cm3 |
| FABRICATION PROPERTIES |
| No Fabrication Properties for this alloy. |
