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HAYNES® Alloys

Resistance to Nitriding

HAYNES® 242® alloy have very good resistance to nitriding environments. Tests were performed in flowing ammonia at 1800°F (980°C) for 168 hours. Nitrogen absorption was determined by chemical analysis before and after exposure and knowledge of the specimen area.

Alloy Nitrogen Absorption (mg/cm2)
214®
0.3
242®
0.7
600
0.9
230®
1.4
X
3.2
800H
4.0
316 SS
6.0
304 SS
7.3
310 SS
7.7
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