Castings

Our experience with aluminum castings, especially for automotive and other demanding industries is extensive. We offer the following aluminum alloys:

319 - has excellent casting and machining characteristics, as well as corrosion resistance and weldability. It has good fatigue strength and ductility but is low in tensile strength and pressure tightness and used in structural components for the automotive industry and general commercial applications.
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333 – developed for permanent mold use, it is a general purpose alloy that can be substantially improved with full T6 heat treatment for meter/regulator parts and automotive cylinder heads.
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354 – used when higher temperature strengths are needed and as a result, corrosion resistance and ductility are sacrificed. The thermal conductivity is also also reduced by the presence of copper. This alloy is a good choice for automotive parts such as air condition scrolls, impellers for superchargers, and some high strength suspension and brake components.
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356 – A356 – Aluminum and silicon alloys will harden and strengthen for machinability ease during the required heat treating process. The ability to withstand pressure and resist corrosion make these grades ideal for automotive components, high-voltage electrical products, valve fittings, agricultural products, as well as hand tools.
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ALMAG 535/35 – excellent for meeting high strength, light weight requirements. Does not need heat treating to reach it’s full properties. It has excellent corrosion resistance and machinability. It is significantly better than 319. It’s great for anodizing and polishing which makes it ideal for the marine industry as well as ornamental products.
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Red Brass (C83300 – C83600 – C84400) This is a medium strength, leaded copper alloy with good machining capabilities. Most commonly used for marine hardware, electric hardware, fire equipment, fittings, pumps/valves, and general contact products.
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Manganese Bronze (C86400 – C86500) This is a high strength, corrosion, and wear resistant alloy. It is used in applications requiring high strength properties. Most used in the marine industry, hardware, gears, bushings, and hydraulic cylinders.
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Silicon Bronze/Brass (C87610 – C87500) This is a low lead, high copper alloy with appealing surface finish and superior corrosion resistance (even when submerged in chemicals or water). It has great strength and thanks to the silicon, it works well for load-bearing applications. The surface finish makes it a good choice for decorative products and its strength makes it a common choice for ball bearings, spacers, gears, and valve parts used for: industrial machinery, aerospace, and hydraulic equipment.
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No-Lead Brass (C89833) This is a copper bismuth alloy used in components related to potable drinking water. This includes: bushings, adapters, couplers, flanges, valves, threaded fittings, & impellers.
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Tin Bronze (C90700 – C92200) This is an alloy high in lead that produces good thermal conductivity and machinability. It is a great choice for medium pressure steam equipment and other applications up to 550°Farenheit. It is commonly used for valves, fittings, pumps, impellers, gears, bushings, and bearing for industries such as: architecture, construction, marine, and plumbing.
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Aluminum Bronze (C95300 – C95500 – C95800) This is a high strength standard copper based alloy. Its tensile strength is greatly increased by heat treating. It has great ductility and corrosion resistance making it a good material for salt water submersion. Uses are: connectors, fasteners, high-strength clamps, valve bodies, gears, and hardware for marine, electrical, industrial, and mining applications.
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Chilled Ductile Iron Castings This alloy provides high wear resistance and toughness that is great for machine parts exposed to impact and wear. The cooling rate controls various chilled depth. High chromium content increases the chill depth and decreases graphite formation. High silicon promotes graphite while decreasing carbides precipitation.
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Austempered Ductile iron (ADI) Castings ADI offers high strength, resistance to abrasion, and cost savings over forgings and weldments. Its properties are achieved by applying a special austempering heat treatment which yields a product almost double the strength of pearlitic ductile but still retains high elongation and durability. Industries benefiting from ADI are Railroad, Automotive, Agriculture, Heavy Truck, Mining, and Construction.

Ductile Iron Castings are capable of more impact and fatigue resistance resulting in enhanced ductility through controlling its microstructure. Graphite is transforms into nodules rather than flakes as in grey iron. It can be a suitable replacement for steel and forgings (see ADI castings too). Most common industries are: automotive, heavy truck, railroad, agriculture, oil & gas, pumps, valves, and pipe fittings.
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Grey Iron Castings This is a versatile iron with good fluidity and little to no shrinkage. It is resistant to cracking, has high temperature properties, and inexpensive to produce. Depending on grade choice, tensile strength can run from 20k psi to 60k psi and hardness can vary from 100-300 BHN. It used in a wide range of industries including: pumps, valves, motors, railroad, mining, and agriculture.
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Widely used for more than 150 years. It is cast as a hard and brittle white iron then heat treated in an annealing cycle to create a ferritic or pearlitic matrix. This process creates a material than has great strength and ductility. When comparing metals for impact resistance, it out performs ductile and grey. It also has better abrasive resistance and shock absorption than cast steel. Common industries are: automotive, valves & pipe fittings, tools & hardware, railroad, and agriculture.
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This alloy is resistant to rust and corrosion with the addition of chromium. When exposed to oxygen, the chromium produces an invisible passivation layer of chromium oxide allowing the material to remain brilliant and shiny. Common industries using stainless steel are: Medical, Automotive, Food & Beverage, Machine tool, Petrochemical, Mining and Military
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Steel has greater strength and shock resistance than cast irons. They are extremely tough due to a good balance of strength and ductility. They can also withstand significant strain and stress. Alloying can increase resistance to impact and wear. Common industries using steel castings are: Industrial machinery, Railroad, Pumps & Valves, Mining, Marine, and Automotive
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