Alliages résistants à la chaleur H840 en acier inoxydable austénitique
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Spécification, Chemical & Performance mécanique
Alliages résistants à la chaleur
H840
H840 is an austenitic stainless steel with excellent oxidation resistance and high temperature corrosion resistance against chlorides. It is suitable for use in high grade sheathed heater clad tubes. We supplies H840 in sheet and strip forms.
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bobine -
feuille
Soudabilité
H840 has superior weldability. After plasma welding, no cracking occurred in the bending test or 30% tensile test.
Traitement thermique
Heat treatment of H840 can be performed in the same manner as with other austenitic stainless steels. The heat treatment temperature range which is normally used is as follows:
- Solution treatment: 1030~1100℃; water cooling
Applications
Sheathed heater clad tubes, various types of heat resistant parts
