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Zamak 3 is the de facto standard for the zamak series of zinc alloys; all other zinc alloys are compared to this. Zamak 3 has the base composition for the zamak alloys (96% zinc, 4% aluminum). It has excellent castability and long term dimensional stability. More than 70% of all North American zinc die castings are made from zamak 3. [2]
Zinc pest (from German Zinkpest "zinc plague"), also known as zinc rot, mazak rot and zamak rot, is a destructive, intercrystalline corrosion process of zinc alloys containing lead impurities. [1] While impurities of the alloy are the primary cause of the problem, environmental conditions such as high humidity (greater than 65%) may accelerate ...
Rather than being machined from forged steel, the slide is die cast from Zamak-3. Zamak is a zinc alloy which is often used in low cost firearms; previous manufacturers using this technique included Lorcin Engineering Company and Raven Arms. Die casting is particularly commonplace in Ohio, which influenced the decision to implement it. [1]
The material used for the slide in the .380 ACP pistols is a zinc-aluminum alloy known as ZAMAK. [3] The guns chambered in 9x19 Parabellum, .357 SIG and .40 S&W used steel slides and were all locked breech firearms using the short recoil system developed by John Browning .
The metal must be molten prior to introduction into the mold. It is necessary for a spin casting furnace to have a temperature controller, as there is an optimal range for each metal. For example, a particular zinc alloy is typically cast between 413 and 427 °C (775 and 801 °F), whereas it actually melts much lower around 260 °C (500 °F).
Lorcin guns were constructed of injection-molded Zamak, a zinc alloy. In 1993, Lorcin was the number one pistol manufacturer in the United States, producing 341,243 guns. [3] However, in 1996, Lorcin filed for bankruptcy, with 18 pending product liability, personal injury, and wrongful death lawsuits. The company emerged from bankruptcy in 1997 ...
AA-8000: used for electrical building wire in the U.S. per the National Electrical Code, replacing AA-1350. [1]Al–Li (2.45% lithium): aerospace applications, including the Space Shuttle
In an effort to cut costs, many of these guns were made with cast components made of the zinc alloy zamak rather than the more typical machined or cast steel. As a result, legislation against "junk guns" subsequently targeted the zinc frames used in construction by specifying a melting point.