Product Information
Composition of S44627 Pipe and Tubing
| 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 | — | 
 
Physical Properties of S44627 Alloys in the Annealed Condition at -20°F to +100°F
|  |  | 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 (x106 psi) | 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 | 
 
S44627 Product Range
| 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.