Uns C72900 C729 [best]

is a copper-nickel-tin (CuNiSn) spinodal alloy. It is often marketed under trade names such as ToughMet® 3 (produced by Materion) and is also referred to as CX95 in some specifications.

| Element | Symbol | Typical wt % | Allowed Range | |---------|--------|-------------|---------------| | Carbon | C | 0.07 | ≤ 0.07 | | Chromium | Cr | 15.0–17.5 | 15.0–17.5 | | Nickel | Ni | 3.0–5.0 | 3.0–5.0 | | Copper | Cu | 3.0–5.0 | 3.0–5.0 | | Manganese | Mn | ≤ 1.0 | ≤ 1.0 | | Silicon | Si | ≤ 0.75 | ≤ 0.75 | | Phosphorus | P | ≤ 0.045 | ≤ 0.045 | | Sulfur | S | ≤ 0.030 | ≤ 0.030 | | Nitrogen | N | ≤ 0.10 | ≤ 0.10 | | Iron | Fe | Balance | — | uns c72900 c729

[Your Organization] Prepared by: ChatGPT (OpenAI) – Technical Research Assistant Date: 10 April 2026 is a copper-nickel-tin (CuNiSn) spinodal alloy