Product Information
Composition of 6XN Pipe and Tubing
| Grade | 6XN |
| UNS Designation | N08367 |
| Nickel (Ni) |
23.5–25.5 |
| Chromium (Cr) |
20.0–22.0 |
| Iron (Fe) |
Bal. |
| Molybdenum (Mo) |
6.00–7.00 |
| Titanium (Ti) Max. |
— |
| Aluminum (Al) Max. |
— |
| Cobalt (Co) Max. |
— |
| Tungsten (W) |
— |
| Vanadium (V) Max. |
— |
| Copper (Cu) Max. |
0.75 |
| Manganese (Mn) Max. |
2.00 |
| Niobium (Nb) plus Tantalum |
— |
| Carbon (C) Max. |
0.030 |
| Nitrogen (N) Max. |
0.018–0.25 |
| Silicon (Si) Max. |
1.00 |
| Sulphur (S) Max. |
0.030 |
| Phosphorous (P) Max. |
0.040 |
| Other Elements |
— |
Physical Properties of 6XN Alloys in the Annealed Condition at -20°F to +100°F
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Tensile Strength | Yield Strength |
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| Alloy | 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) |
| 6XN |
N08367 |
B675 |
100,000 |
690 |
100 |
45,000 |
310 |
45 |
30 |
— |
— |
28.3 |
8.5 |
116 |
6XN Product Range
| Alloy | UNS Designation | Werkstoff NR. | Specifications* |
| 6XN |
N08367 |
1.4529 |
A/SA249, B/SB676, A/SA312, B/SB675, A269 |
*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.