Sunday, October 1, 2023
ZA2 | ZA3 | ZA5 | ZA8 | ACuZinc | |
CEN Specification | |||||
Alloy Symbol | ZnAl4Cu3-P | Zn Al4-P | ZnAl4Cu1-P | ZnAl8Cu1-P | |
Alloy Number | ZP0430 | ZP0400 | ZP0410 | ZP0810 | |
CEN Short | ZP2 | ZP3 | ZP5 | ZP8 | |
Designation Colour | White/Green | White/Yellow | White/Black | White/Blue | |
Chemical Composition | |||||
Aluminium | 3.7 - 4.3 | 3.7 - 4.3 | 3.7 - 4.3 | 8.0 - 8.8 | 2.8 - 3.3 |
Copper | 2.7 - 3.3 | 0.1 Max | 0.7 - 1.2 | 0.8 - 1.3 | 5.0 - 6.0 |
Magnesium | 0.025 - 0.06 | 0.025 - 0.06 | 0.025 - 0.06 | 0.015 - 0.03 | 0.025 - 0.05 |
Iron | 0.05 Max | 0.05 Max | 0.05 Max | 0.06 Max | 0.075 Max |
Silicon | 0.03 Max | 0.03 Max | 0.03 Max | 0.045 Max | - |
Nickel | 0.02 Max | 0.02 Max | 0.02 Max | 0.02 Max | - |
Lead | 0.005 Max | 0.005 Max | 0.005 Max | 0.006 Max | 0.005 Max |
Cadmium | 0.005 Max | 0.005 Max | 0.005 Max | 0.006 Max | 0.004 Max |
Tin | 0.002 Max | 0.002 Max | 0.002 Max | 0.003 Max | 0.003 Max |
Zinc | Remainder | Remainder | Remainder | Remainder | Remainder |
Physical Properties | |||||
Melting Range Deg' C | 379 - 388 | 381 - 387 | 380 - 386 | 375 - 404 | 402 - 502 |
Density g/cm3 | 6.7 | 6.7 | 6.7 | 6.3 | 6.85 |
Coef Thermal expansion | 27.4 | 27.4 | 27.4 | 23.3 | 24 |
Thermal Conductivity W/m C | 105 | 113 | 109 | 115 | 106 |
Electrical Conductivity | 25 | 27 | 26 | 27.7 | 26.9 |
Mechanical Properties | |||||
Tensile Strength | 359 | 283 | 328 | 374 | 407 |
Yield Strength (0.2%) | 270 | 221 | 228 | 290 | 338 |
Impact Strength | 47 | 58 | 65 | 42 | - |
Elongation % | 7 | 10 | 7 | 8 | 6 |
Shear Strength MPa | 315 | 214 | 262 | 276 | 280 |
Brinell Hardness (500Kg) | Up To 100 | Up To 82 | Up To 91 | Up To 103 | Up To 118 |
Fatigue 5x108 cycles MPa | 58 | 48 | 56 | 103 | |
Young's Modulus MPa | >85,500 | >85,500 | >85,500 | >85,500 | |
Poisson's Ratio | 0.27 | 0.27 | 0.27 | 0.29 - 0.30 | |
Shear Modulus MPa | 34,000 | 34,000 | 34,000 | 34,000 |