Investment Casting Metals

We pour everything from 400 series stainless steel to aluminum. In fact, we pour pretty much any alloy 24/7, with very few exceptions. Explore your options and discover the right alloy for your components.

Choose Your Alloys

• Tool Steels

  Signicast makes tools from alloys of iron containing 0.25-2.5% carbon with substantial amounts of chromium, molybdenum, tungsten, vanadium, cobalt, and to a lesser extent nickel to achieve the desired combination of hardenability, hardness, toughness, and wear resistance. 

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• 400 Series Stainless Steels

  The 400-series group of stainless steels contain 11-27% chromium, up to about 1% carbon, and 2.5% nickel maximum. The grades of stainless steel castings Signicast most often produces respond to heat treatment and can be supplied with a predominantly martensitic microstructure in a wide range of strength and hardness. 

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• Aluminum Investment Casting

  Aluminum alloys possess a unique combination of mechanical properties and corrosion resistance. These alloys are roughly one-third as dense as steel with higher strength to weight ratios. 

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• Carbon and Low Alloy Steels

  Carbon and low alloy steels are the workhorses of the mechanical world. No other class of materials offers as wide a range of mechanical properties as economically.

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• Cobalt Based Alloys

  Cobalt based alloys are very corrosion and heat resistant due, in large part, to the unique properties of cobalt. The alloys produced at Signicast are generally for heat resistance and/or wear resistance and therefore contain large amounts of carbon, chromium, and carbide formers like tungsten.

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• Nickel

  Consisting primarily of nickel, chromium, and molybdenum, smaller additions of other alloying elements are used to create alloys with very high corrosion resistance while other elements would be used to create alloys with very high hot strength.

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• Thermal Expansion Alloys

  Thermal expansion alloys, such as Invar and Kovar, are made up of an iron-nickel base and are known for their low coefficient of thermal expansion (CTE). Iron and nickel have very similar CTE, however with these alloys, thermal expansion is affected by the addition of nickel to iron. 

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• 300 Series Stainless Steels

  The 300-series group of stainless steels contain 16-30% chromium and from 6-35% nickel. Depending on the composition, the microstructure is predominantly or wholly austenitic and thus unresponsive to heat treatment.

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