Zinc Alloys
Zinc Alloys
|
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 |
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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 – 0.06 |
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 |
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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 |
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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 Modules 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 |
|
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