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Nimonic C-263 is a nickel-chromium-cobalt-molybdenum alloy specially meant for use in high temperature and high strength applications. This alloy can be precipitation-hardened
Nimonic C-263 is also known as Nicrofer 5120 CoTi, Haynes 263, and Hastelloy C-263.
The chemical composition of Nimonic C-263 is given in the following table.
| Element | Content (%) |
|---|---|
| Nickel, Ni | Bal |
| Chromium, Cr | 19-21 |
| Iron, Fe | ≤0.7 |
| Cobalt, Co | 19-21 |
| Titanium, Ti | 1.9-2.4 |
| Aluminum, Al | ≤0.6 |
| Manganese, Mn | ≤0.6 |
| Silicon,Si | ≤0.4 |
| Molybdenum,Mo | 5.6-6.1 |
| Others | Remainder |
The following table discusses the physical properties of Nimonic C-263.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.36gm/cm3 | 0.302 lb/in3 |
The mechanical properties of Nimonic C-263 are tabulated below.
| PROPERTIES | ||||
|---|---|---|---|---|
| Condition | Approx. tensile strength | Approx. operating temperature depending on load and environment | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 800 – 1000 | 116 – 145 | up to 800 | up to 1500 |
| Annealed + Aged | 1000 – 1200 | 145 – 174 | up to 800 | up to 1500 |
| Spring Temper | 1200 – 1500 | 174 – 217 | up to 800 | up to 1500 |
| Spring Temper + Annealed + Aged | 1000 – 1200 | 145 – 174 | up to 800 | up to 1500 |