Overview
MAB42E is a RoHS compliant, lead-free copper alloy with good machinability, high strength, and excellent ductility. Lead content is limited in order to comply with a growing range of legislative and regulatory guidelines. MAB42E is targeted for electronic applications, however the alloy is recommended for any machined brass part requiring lead-free product.
Physical Properties
| Annealing Range (Min) | 900 °F |
| Annealing Range (Max) | 1075 °F |
| Density | 0.306 lb/in³ |
| Electrical Resistivity (Annealed) | 41.5 Ω·cir-mil/ft @ 68 °F |
| Electrical Conductivity (Annealed) | 25% IACS @ 68 °F |
| Thermal Conductivity | 65 Btu/ft²/ft·hr/°F @ 68 °F |
| Coefficient of Thermal Expansion | 11.1 per °F (68-572 °F) |
| Modulus of Elasticity (Tension) | 15 ksi |
| Melting Point (Solidus) | 1,620 °F |
| Melting Point (Liquidus) | 1,880 °F |
| Annealing Range (Min) | 482 °C |
| Annealing Range (Max) | 579 °C |
| Density | 8.47 gm/cm³ |
| Electrical Resistivity (Annealed) | 6.9 µΩ·cm @ 20 °C |
| Electrical Conductivity (Annealed) | 0.15 MS·cm @ 20 °C |
| Thermal Conductivity | 112 W/m·K @ 20 °C |
| Coefficient of Thermal Expansion | 20 per °C (20-300 °C) |
| Modulus of Elasticity (Tension) | 107 Mpa |
| Melting Point (Solidus) | 882 °C |
| Melting Point (Liquidus) | 1,027 °C |
