14 common CNC materials compared by tensile strength and machinability rating
FIG.09 · The tradeoff at a glance — Inconel is 10× stronger than UHMW but 15× harder to machine. Pick where your part sits on this chart.
§ 01 / Aluminum

Aluminum alloys — the workhorse of CNC machining.

§ 02 / Stainless steel

Stainless steels — corrosion resistance, strength, and hygiene.

§ 03 / Titanium & superalloys

High-performance alloys for extreme environments.

§ 04 / Carbon & alloy steels

Structural, tool, and wear-resistant steels.

§ 05 / Copper & brass

Electrical and thermal conductivity specialists.

§ 06 / Engineering plastics

Machinable plastics for electrical, chemical, and low-weight applications.

— CAN'T FIND YOUR MATERIAL?

We can source almost anything. Ask.

This page shows our most-requested materials. We machine another 40+ alloys regularly — Monel, Hastelloy, Kovar, Invar, cobalt-chrome, various tool steels, filled plastics, and more. If you don't see what you need, send your spec and we will confirm sourcing and lead time.

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