|
壓鑄鋅合金國際標準成份
Designation / 通用牌號 |
No.2(%) |
No.3(%) |
No.4(%) |
No.5(%) |
No.7(%) |
ZA-8(%) |
ZA-12(%) |
ZA-27(%) |
Aluminum(Al)鋁 |
3.9-4.3 |
3.9-4.3 |
3.9-4.32 |
3.9-4.3 |
3.9-4.3 |
8.2-8.8 |
10.8-11.5 |
25.5-28.0 |
Magnesium(Mg)鎂 |
0.025-0.05 |
0.025-0.05 |
0.025-0.05 |
0.03-0.06 |
0.010-0.02 |
0.020-0.030 |
0.020-0.030 |
0.012-0.020 |
Copper (Cu)銅 |
2.6-2.9 |
0.10max |
0.3-0.4max |
0.75-1.25 |
0.10max |
0.8-1.3 |
0.5-1.2 |
2.0-2.5 |
Lead (Pb)鉛 |
0.004max |
0.004max |
0.004max |
0.004max |
0.002max |
0.005max |
0.005max |
0.005max |
Cadmium(Cd)鎘 |
0.003max |
0.003max |
0.003max |
0.003max |
0.002max |
0.005max |
0.005max |
0.005max |
Tin(Sn)鍚 |
0.002max |
0.002max |
0.002max |
0.002max |
0.001max |
0.002max |
0.002max |
0.002max |
Iron(Fe)鐵 |
0.075max |
0.075max |
0.075max |
0.075max |
0.075max |
0.065max |
0.065max |
0.072max |
Nickel(Ni)鎳 |
- |
- |
- |
- |
0.005-0.020 |
- |
- |
- |
Zinc(Zn)鋅 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
Balance餘量 |
壓鑄鋅合金物理特性
Designation / 通用牌號 |
No.2(%) |
No.3(%) |
No.4(%) |
No.5(%) |
No.7(%) |
ZA-8(%) |
ZA-12(%) |
ZA-27(%) |
Density(g/cm)
密度 |
6.6 |
6.6 |
6.6 |
6.6 |
6.6 |
6.3 |
6.0 |
5.0 |
Melting Range(C)
溶點 |
379-390 |
381-387 |
380-386 |
380-386 |
381-387 |
375-404 |
377-432 |
376-484 |
Electrical Conductivity(%IACS)
電導率 |
25 |
27 |
26-27 |
26 |
27 |
27.7 |
28.3 |
29.7 |
Thermal Conductivity(100c,W/m.k)
熱傳導率 |
104.7 |
113 |
180.9-113.0 |
108.9 |
11.3 |
114.7 |
116.1 |
125.5 |
Coefficient of Thermal Expansion
(20-100c,um/mm/c)
熬膨脹系數 |
27.8 |
27.4 |
27.4 |
27.4 |
27.4 |
23.3 |
24.2 |
26.0 |
Specific Heat(J/kg.k)
比熱 |
418.7 |
418.7 |
418.7 |
418.7 |
418.7 |
435.4 |
448.0 |
534.4 |
Die Shrinkage(mm/mm)
縮模率 |
0.006 |
0.006 |
0.007 |
0.006 |
0.006 |
0.007 |
0.0075 |
0.008 |
鋅合金壓鑄品的特性及優點：
◎適合大量生產，低生產成本
◎表面品質極佳，避免表面處理費用
◎流動性極佳，機械強度較高
◎產品尺寸精度較高
◎產品薄壁最少可以0.5mm
◎鋅合金壓鑄模具壽命長，且開模費用較鋁合金低廉
| 