Nippon/Sumitomo SUPER304H
- Highest strength among 18Cr-8Ni austenitic stainless steels utilizing Cu-rich phase.
- Fine-grained microstructure by Thermo-Mechanical Process, which contribute to superior steam oxidation resistance to conventional coarse grained TP347H.
- Superior weldability to TP347H due to smaller amount of niobium, PWHT is not mandatory and matching welding consumable is available.
- Good phase stability proven by long term creep-rupture tests and actual operation results in USC boilers.
- Global shipments of more than 70 thousand tons, mainly for USC boilers.
General Properties
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Technical Datasheet (English)
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