Zinc Aluminum Alloy Structural Shape

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• Aluminum
  Though light in weight, commercially pure aluminum has a tensile strength of about 13,000 psi. Cold working the metal approximately doubles its strength. In other attempts to increase strength, aluminum is alloyed with elements such as manganese, silicon, copper, magnesium, or zinc. The alloys can...
• Magnesium parts with muscle
  for structural applications. But alloying elements including aluminum and zinc can significantly boost its strength. AZ-91D magnesium alloy is used in hot-chamber, high-pressure die casting where its excellent fluidity creates close tolerance, net-shape castings. The A and Z denotes aluminum and zinc...
• Faster, more predictable die casting
  is the most widely used zinc alloy. It offers the best combination of mechanical properties and economics. Zamak 2 and 5, with higher copper content, better resist wear. In addition, Zamak 5 offers higher creep resistance, while Zamak 2 has the highest shear strength. ZA alloys have high aluminum...
• Magnesium
  properties. Cast magnesium alloys are dimensionally stable to about 200 F. Some cast magnesium-aluminum-zinc alloys may undergo permanent growth if used above that temperature for long periods. Permanent-mold castings are as strong as sand castings, and they generally provide closer dimensional...
• HSLA Steel
  , and plates designated ASTM A656) have yield strengths up to 80,000 psi, yet cost only about 24% more than a typical 34,000-psi plain-carbon steel. Because these alloys must compete with other structural metals such as AISI 1010 steel and aluminum, they must be as inexpensive as possible. However...
• Casing the extrusion joint
  joints are frequently disassembled. Here, extruded channels prevent unwanted turning of nuts or bolts. When using steel fasteners, paint aluminum contact surfaces with zinc chromate and sealing compound to help prevent corrosion. Physically insulate steel bolts from aluminum surfaces in strongly...
• Designing with Engineering Plastics
  with aluminum, magnesium, zinc, and metal alloys, while offering the advantages of light weight, corrosion resistance, molded-in color and manufacturing methods that produce three-dimensional, net-shape parts faster and, therefore, less expensively. untitled LNP* Specialty Compounds. Designing...
• Where die casting makes "cents"
  of hot-chamber die-cast zinc alloys. Magnesium (AZ91D, designated by ASTM as die-casting grade) is the lightest of all structural metals but has the highest strength-to-weight ratio. It is two-thirds the weight of aluminum and about one-quarter that of steel and zinc. Both magnesium and zinc alloys...
• Steering knuckles deck the competition
  in standard computer racks. The aluminum and zinc die castings replace previous plastic versions and provide greater structural rigidity, the ability to mold all features needed in a single piece, and EMI shielding with no need for secondary-coating operations. MAKE CONTACT. North American Die...
• 12 Ways to Save
  of the most. widely used die casting alloys--aluminum, mag-. While it is important for prints destined for toolmak-. nesium and zinc. ing to contain all relevant part specifications for die. For example, an OEM product program initially. casting production, post-casting machining and fin-. planned...

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