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Nippon/Sumitomo SUPER304H

Generic Family: Steel - Wrought - Stainless - AusteniticSupplied by: Nippon Steel & Sumitomo Metal Corporation
  • 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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Material Status
Commercial: Active
Documents
description

Technical Datasheet (English)

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Availability
Africa & Middle East, Asia Pacific, Europe, North America
Other Properties
Applicable Specifications, Forms Available, Metal Type, Alloy Identification, Type Analysis, Tensile Strength (Ultimate), Tensile Strength (Yield), 0.2%, Tensile Elongation (Yield), Tensile Modulus, Mean CTE, Thermal Conductivity
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Processing

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