| 發佈時間：2012-09-24 |
| 鋅合金精密脫臘鑄造製程已成功量產 |
| 鋅合金精密脫腊鑄造製程，勤旺已成功量產，若您有鋅合金鑄件需要服務請與我們聯絡。
鋅合金精密鑄造之優點：
• 產品可獲得較高之尺寸精度
• 適合形狀複雜、難加工之鑄件，可節省大量加工費用
• 可獲得精密細緻之表面，以利加工後之表面處理
• 適合少量多樣
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 |
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 |
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