
Our Process
Solution heat treatment heats a casting to a high temperature to dissolve alloying elements into a uniform solid solution, then rapidly quenches the casting to lock in that microstructure. For aluminum alloys, the casting is then artificially aged — the T6 temper — to precipitate fine strengthening particles and achieve peak hardness and tensile strength.
For C95500 nickel aluminum bronze, solution annealing per MIL-B-21230 is a Navy-mandated treatment that dissolves harmful beta-phase microstructures and ensures uniform corrosion resistance across the casting cross-section — critical for propellers and seawater-exposed fittings.

In-House Capability
Furnace and water quench tank on-site — no outside vendor, no schedule risk between casting and heat treatment
Key Capabilities
Full solution treat and artificial age cycle for A356 aluminum castings — dissolves alloying elements, quenches to supersaturated solid solution, then ages to peak hardness and strength per T6 designation.
Solution annealing of nickel aluminum bronze (C95500) per MIL-B-21230 — required by the Navy to ensure uniform microstructure, corrosion resistance, and mechanical properties in propellers and critical fittings.
Water quench tank at our Newark foundry — castings are transferred directly from furnace to quench without delay, ensuring the microstructure is locked in at the correct condition.
Furnace charts, soak temperature and time records, quench details, and post-treatment hardness test data furnished with every solution-treated lot.
Specifications