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NINGBO BEILUN LEMA MACHINERY TECHNOLOGY CO.,LTD
Home > News > The Common materials of Die casting
The Common materials of Die casting

The Common materials of Die casting

Alloy die castings used mainly non-ferrous alloys, as ferrous metals (steel, iron, etc.) As the mold material and other issues, less use. The colored aluminum alloy die castings again using more extensive, followed by zinc alloy. Following is a brief look at the situation of non-ferrous metal die-casting.
(1), classification die-casting non-ferrous alloys hindered shrink shrink shrink freely mixing lead alloy ----- 0.2-0.3% 0.3-0.4% 0.4-0.5% low-melting alloy solder alloy zinc alloy -------- 0.3 -0.4% 0.4-0.6% 0.6-0.8% 0.5-0.7% LAS --0.3-0.5% 0.7-0.9% copper aluminum-magnesium alloy die-colored aluminum alloy aluminum --- 0.5-0.7% 0.7-0.9% 0.9-1.1% refractory alloy aluminum and zinc based alloys ---------- 0.5-0.7% 0.7-0.9% 0.9-1.1% Cu alloy
(2), the average temperature of the wall thickness of the casting of various types of die-cast alloy castings species recommended ≤3mm casting average thickness> 3mm simple structure and a simple structure complicated complex structure
Aluminum Al-Si 610-650 ℃ 640-680 ℃ 600-620 ℃ 610-650 ℃
Aluminum copper 630-660 ℃ 660-700 ℃ 600-640 ℃ 630-660 ℃
Aluminum-magnesium 640-680 ℃ 660-700 ℃ 640-670 ℃ 650-690 ℃
Aluminum zinc 590-620 ℃ 620-660 ℃ 580-620 ℃ 600-650 ℃
Zinc alloy 420-440 ℃ 430-450 ℃ 400-420 ℃ 420-440 ℃
Magnesium alloy 640-680 ℃ 660-700 ℃ 640-670 ℃ 650-690 ℃
Copper alloy ordinary brass 910-930 ℃ 940-980 ℃ 900-930 ℃ 900-950 ℃
Silicon brass 900-920 ℃ 930-970 ℃ 910-940 ℃ 910-940 ℃
* Note: ① generally casting temperature of molten metal holding furnace to a temperature measurement.

② zinc alloy casting temperature must not exceed 450 ℃, in order to avoid coarse grains.



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