Ingot casting is a metalworking process where molten metal is poured into a mold to solidify into a specific shape, typically a rectangular or cylindrical ingot, for easy handling and storage. This method is fundamental for shaping metals like aluminum, copper, and steel. While continuous casting is now the dominant process for many metals, ingot casting remains relevant for specialty, forging, and remelted steels.
Hengchang is the leading producer of gray, ductile iron in China, melting more than 6000 tons per year, with more than 15 years experience. Tailored Ingot Molds are made of Ductile iron. Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of graphite-rich cast iron discovered in 1943 by Keith Millis .While most varieties of cast iron are weak in tension and brittle, ductile iron has much more impact and fatigue resistance, due to its nodular graphite inclusions.
Ductile iron is not a single material but part of a group of materials which can be produced with a wide range of properties through control of their microstructure. The common defining characteristic of this group of materials is the shape of the graphite. In ductile irons, graphite is in the form of nodules rather than flakes as in grey iron. Whereas sharp graphite flakes create stress concentration points within the metal matrix, rounded nodules inhibit the creation of cracks, thus providing the enhanced ductility that gives the alloy its name. Nodule formation is achieved by adding nodulizing elements, most commonly magnesium (magnesium boils at 1100 °C and iron melts at 1500 °C) and, less often now, cerium(usually in the form of mischmetal. Tellurium has also been used. Yttrium , often a component of mischmetal, has also been studied as a possible nodulizer.
Some smaller iron casting parts include components as gears, pulleys, crankshafts, connecting rods, and propellers. Larger applications include housings for large equipment and heavy machine bases. Iron casting is also common in producing automobile components, such as engine blocks, engine manifolds, cylinder heads, transmission cases, and a full array of marine, agricultural, construction, industrial and Rail parts.
Machined casting products are used in several industries such as: Automotive, marine, agricultural, construction, industrial, earth moving, highway, and HVAC.
Production Line Capabilities |
1.Vacuum Casting Line: Enables large-batch production and smooth surface medium parts

2.Resin Sand Casting Line: Delivers big complex geometries, but small quantity

3.Clay Sand Casting Line: Enables large-batch production small part and smooth surface medium parts

4.Medium-frequency Induction Furnace: Make sure uniform melting and stable quality

