ATI Steel ATI 304B7 P/M™
The ATI NuShield™ family of borated stainless steels offer the superior performance of powder metallurgy processing. The uniform, fine dispersion of boron containing particles resulting from the P/M process imparts superior neutron absorption and enhanced toughness and ductility.
GENERAL CHARACTERISTICS
ATI 304B7 P/M™ Alloy (UNS S30467) is a boron containing stainless steel with boron content between 1.75 and 2.25 weight %. The alloy has an optimum microstructure and properties imparted by powder metallurgy processing. A typical SEM micrograph may be seen below. The microstructure consists of chromium rich boride particles (darker phase) in an austenite matrix. The composition and properties of the alloy conform to Specification ASTM A887-89 for 304B7 Grade A.
APPLICATIONS
Borated stainless steels are widely used for applications where neutron absorption is needed. The high strength and good ductility of borated stainless steels make them attractive for structural applications where other neutron absorbing materials lack the necessary properties. Typical applications include racks for wet storage of used nuclear fuel, baskets for casks used for dry storage of used nuclear fuel, glove box components, and general reactor shielding. ATI 304B7 P/M™ Alloy is available as sheet and plate products.
General Properties
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Technical Datasheet (English)
Download DocumentProcessing
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Where To Buy
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