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C36500
Brass consists primarily of copper alloyed with zinc. This alloy possesses both strength and malleability, rendering it a prevalent option across a wide range of applications. Through the manipulation of zinc content, a diverse array of attributes can be achieved, encompassing varying degrees of corrosion resistance, ductility, and suitability for machining.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 58.00 | 61.00 |
| Pb | 0.25 | 0.70 |
| Fe | – | 0.15 |
| Total Others | – | 0.40 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO ASTM B981 (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 | 63 | 28 | 10 | – | – |
| 0.500 | 1.000 | 55 | 26 | 12 | – | – | |
| 1.000 | 2.000 | 48 | 24 | 20 | – | – | |
| 2.000 | 2.952 | 45 | 20 | 25 | – | – | |
| Hex (A/F) | 0.118 | 0.500 | 63 | 28 | 10 | – | – |
| 0.500 | 1.000 | 55 | 26 | 12 | – | – | |
| 1.000 | 2.000 | 48 | 24 | 20 | – | – | |
| 2.000 | 2.756 | 45 | 20 | 25 | – | – | |
| Square (A/F) | 0.118 | 0.500 | 63 | 28 | 10 | – | – |
| 0.500 | 1.000 | 55 | 26 | 12 | – | – | |
| 1.000 | 2.000 | 48 | 24 | 20 | – | – | |
| 2.000 | 2.362 | 45 | 20 | 25 | – | – |
| Range (mm) | From | To | UTS Min (MPa) | PS Min (MPa) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 1.5 | 12 | 430 | 190 | 10 | – | – |
| 12 | 25 | 380 | 180 | 12 | – | – | |
| 25 | 50 | 330 | 165 | 20 | – | – | |
| 50 | 75 | 310 | 135 | 25 | – | – | |
| Hex (A/F) | 3 | 12 | 430 | 190 | 10 | – | – |
| 12 | 25 | 380 | 180 | 12 | – | – | |
| 25 | 50 | 330 | 165 | 20 | – | – | |
| 50 | 70 | 310 | 135 | 25 | – | – | |
| Square (A/F) | 3 | 12 | 430 | 190 | 10 | – | – |
| 12 | 25 | 380 | 180 | 12 | – | – | |
| 25 | 50 | 330 | 165 | 20 | – | – | |
| 50 | 60 | 310 | 135 | 25 | – | – |
| PHYSICAL PROPERTIES | |
| Melting Point – Liquidus°F | 1650 |
| Melting Point – Solidus°F | 1630 |
| Density lb/cu in. at 68°F | 0.304 |
| Specific Gravity | 8.41 |
| Electrical Conductivity % IACS at 68°F | 28 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 71 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) | 11.6 |
| Specific Heat Capacity Btu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15000 |
| Modulus of Rigidity ksi | 5600 |
| FABRICATION PROPERTIES | |
| Technique | Suitability |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Excellent |
| Machinability Rating | 60 |
