| Tensile Strength | Yield Strength | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
| S44627 | A268 | 65,000 | 450 | 65 | 40,000 | 275 | 65 | 12* | — | 95 Rb | 29.0 | 5.2 | 116 |
*for 0.049” average wall
| UNS Designation | S44627 |
|---|---|
| Nickel (Ni) | 0.5* |
| Chromium (Cr) | 25.0–27.5 |
| Iron (Fe) | Bal. |
| Molybdenum (Mo) | 0.75–1.50 |
| Titanium (Ti) Max. | — |
| Aluminum (Al) Max. | — |
| Cobalt (Co) Max. | — |
| Tungsten (W) | — |
| Vanadium (V) Max. | — |
| Copper (Cu) Max. | 0.2 |
| Manganese (Mn) Max. | 0.40 |
| Niobium (Nb) plus Tantalum | 0.05–0.20 |
| Carbon (C) Max. | 0.01* ** |
| Nitrogen (N) Max. | 0.015 |
| Silicon (Si) Max. | 0.40 |
| Sulphur (S) Max. | 0.02 |
| Phosphorous (P) Max. | 0.02 |
| Other Elements | — |
*Nickel + Copper
**0.015 Max. for OD<0.500" and for T<0.049"
| UNS Designation | Werkstoff NR. | Specifications* |
|---|---|---|
| S44627 | N/A | A267/SA267 |
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.
