Aciers inoxydables haute résistance S20910 excellente résistance à la corrosion XM-19
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Spécification, Chemical & Performance mécanique
High Strength Stainless Steels
UNS S20910
S20910 is a nitrogen-strengthened austenitic stainless steel with excellent corrosion resistance. In comparison with Type 316L, S20910 provides higher corrosion resistance and higher strength. Forms,
- bobine
-
feuille -
Assiettes
Manque de maniabilité
Hot and cold workability are substantially the same as other austenitic stainless steels. However, in both hot working and cold working, the fact that this is a high strength material must be considered.
Soudabilité
Welding is possible by TIG, MIG, and shielded metal arc welding in the same manner as with standard austenitic stainless steels. ER209 welding rods, which have the same composition, are frequently used.
Traitement thermique
As this steel has an austenitic microstructure like that of other austenitic stainless steels, heat treatment also conforms to that of austenitic stainless steels. The typical heat treatment temperature is as follows:
- Solution heat treatment: 1065~1120℃; rapid cooling
Applications
Chemical plants, spent nuclear fuel containers (casks), heat exchanger components, pumps, structural components.
