Aluminum alloy
713 (Tenzaloy) aluminum castings
Reaches high strength at room temperature, with no heat treatment and high impact strength.
713, also known as Tenzaloy, ages naturally at room temperature to properties similar to heat-treated 300-series alloys in about three weeks, then keeps gaining slightly for up to six months.
Its impact strength is higher than heat-treated 319, 355 or 356, which makes it a good choice when heat treatment would add cost, distortion or lead time.
We cast 713 in green sand, no-bake and permanent mold, and machine and heat treat it in-house.
- Composition
- About 7.5% zinc and 0.35% magnesium with a little copper and low silicon; the balance is aluminum.
- Typical uses
- Parts that need toughness without heat treatment.
- Processes
- Green sand, no-bake, permanent mold
Other alloys we pour
- A356The higher-purity version of 356: strong, ductile and corrosion resistant, usually heat treated to T6.
- 356The general-purpose workhorse: good castability, weldability and pressure tightness at a good price.
- 333 & A333A permanent mold favorite with better as-cast properties than 319 at a similar price.
- C355Copper-strengthened and pressure-tight, and keeps its strength at higher temperatures than A356.
- 319A versatile aluminum-silicon-copper alloy with good strength as cast.
- 535 (Almag 35)High strength and excellent corrosion resistance without heat treatment.
Related reading
A Guide To Non-ferrous Metal Alloy Casting
Metal casting is a complicated process that involves pouring liquid metal into a mold, allowing it to cool, and then extracting the product. Depending on the metal used and the required outcome, we utilize sand casting or permanent mold casting to create prototypes and products. Non-ferrous sand casting is highly efficient and cost-effective. Permanent mold utilizes gravity when pouring molten aluminum into molds (or dies) machined from cast iron or steel. Ermak takes pride in producing high-quality castings that are consistent, repeatable, and cost-effective. We customize the casting process to meet your needs using the best, most efficient non-ferrous metal casting process for your product.
Read the article →Why Aluminum?
Aluminum applications span from everyday items like fuel-efficient vehicles to smart phones to window frames to airplanes. It has a long list of inherent assets that makes it referred to as a “miracle metal” – lightweight, corrosion resistant, easily formed, highly conductive, highly reflective, non-toxic, durable and recyclable – and gives manufacturers and designers a wide range of options for product innovation and process improvements.
Read the article →
Have a drawing? Get a quote.
Tell us about your part, or just send the file. A real person reviews every request.