Materials We Work With

At Preece Machining and Assembly, we understand the importance of ensuring that the right materials are being used for each project. There are many factors that should be considered when choosing which material to use. Degree of strength, heat resistance, weight, corrosion resistance, and density are just to name a few. While striving to provide our customers with the highest quality of parts, we have worked with a wide scope of materials in order to give our customers exactly what they required.


4140 and 1018

Stainless steels:

316,303/304, 416, 17-4, 15-6


6061, Mic 6

Aerospace Alloy:

2025 & 7075


Polycarbonate, Polysulfone, ULTEM, PEEK, Delrin, G10, Teflon, ABS

High-temperature alloys:

Inconel, Invar 36, Monel

Copper alloys:

Copper 101, 110, and Brass