Company record
H & H Castings, Inc. produces aluminum and dry‑sand castings. The alloy portfolio includes 319, SR‑319, A‑356, SR‑A‑356, 535 (ALMAG) and 713 (TENZALLOY). Production capacity spans low‑volume to high‑volume runs, delivering castings that range from a few ounces up to 300 lb. Standard dimensional tolerance is ±0.020 in., and tighter tolerances of ±0.010 in. are attainable with CNC‑machined tooling. Typical offerings comprise housings, regulators, valves and complex parts with internally cored passageways that require precise dimensional control and a fine surface finish of 150 RMS to 300 RMS. Post‑processing capabilities cover all finishing types, heat treating, machining and 3D modeling, while the company also provides finished‑goods stocking programs, turn‑key project execution and just‑in‑time scheduling.
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