Alloy Wire International
Datasheet: Nimonic® C-263
Nimonic® C-263
Nimonic® C-263 is an age-hardenable Nickel-Cobalt-Chromium-Molybdenum alloy designed for a combination of aged strength properties with exceptional fabrication characteristics. Nimonic® C-263 shows excellent intermediate temperature tensile ductility, and is typically used for applications such as aircraft turbine engine and land-based turbine applications.
Nimonic® C-263 is also known as Nicrofer 5120 CoTi, Haynes 263, and Hastelloy C-263.
Available in all profile options
Key Features
Nimonic® C-263 offers the following key features:
Excellent fabrication characteristics
in the annealed condition
Age Hardenable
High temperature static applications**
Typical Applications
Nimonic® C-263 is known to be suitable for the following applications:
Parts in gas turbines
Sealing rings
Designations
AMS 5872
AMS 5886
BS HR 10
BS HR 206
Specifications
W.Nr. 2.4650
UNS N07263
Chemical Composition
The chemical composition of Nimonic® C-263 is indicated in the table below:
| Element | Min % | Max % |
|---|---|---|
| C | 0.04 | 0.08 |
| Si | – | 0.40 |
| Mn | – | 0.60 |
| S | – | 0.007 |
| Ag | – | 0.0005 |
| AI | 0.30 | 0.60 |
| B | – | 0.005 |
| Bi | – | 0.0001 |
| Co | 19.0 | 21.0 |
| Cr | 19.0 | 21.0 |
| Cu | – | 0.20 |
| Fe | – | 0.70 |
| Mo | 5.60 | 6.10 |
| Pb | – | 0.002 |
| Ti | 1.90 | 2.40 |
| Ti+AI | 2.40 | 2.80 |
| Ni | Bal |
Alloy Details
Nimonic® C-263 density, melting point, coefficient of expansion, and modulus of elasticity is indicated in the table below:
| Density | Melting Point | Coefficient of Expansion | Modulus of Elasticity |
|---|---|---|---|
| 8.36 g/cm3 | 1325 °C | 10.6 μm/m• °C (20 – 100 °C) | 222.5 kN/mm² |
| 0.302 lb/in³ | 2415 °F | 5.7 x 10-6 in/in• °F (70 – 212 °F) | 32270 ksi |
Heat treatment of finished parts
The typical heat treatment of Nimonic® C-263:
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
|---|---|---|---|---|
| Annealed | Age Harden | 800 °C (1475 °F) | 8 Hr | Air |
| Spring Temper | Anneal | 1040 – 1165 °C (1900 – 2125 °F) | Suited to diameter | Water or Air |
| Spring Temper | Age Harden | 800 °C (1475 °F) | 8 Hr | Air |
Properties
The typical mechanical properties of Nimonic® C-263:
| Annealed | ||
|---|---|---|
| Approx. tensile strength | <1000 N/mm² | <145 ksi |
| Approx. operating temperature depending on load** and environment | up to 800 °C | up to 1500 °C |
| Annealed + Aged | ||
|---|---|---|
| Approx. tensile strength | 1000 – 1200 N/mm² | 145 – 174 ksi |
| Approx. operating temperature depending on load** and environment | up to 800 °C | up to 1500 °C |
| Spring Temper | ||
|---|---|---|
| Approx. tensile strength | 1200 – 1500 N/mm² | 174 – 217 ksi |
| Approx. operating temperature depending on load** and environment | up to 800 °C | up to 1500 °C |
| Spring Temper + Annealed + Aged | ||
|---|---|---|
| Approx. tensile strength | 1000 – 1200 N/mm² | 145 – 174 ksi |
| Approx. operating temperature depending on load** and environment | up to 800 °C | up to 1500 °C |
The above tensile strength ranges are typical. If you require different please ask.
**Static application = Still/Fixed/Motionless/Rigid ®Trade name of Special Metals Group of Companies.
