Machine Design

Superalloy Fasteners

The MP98T fasteners, manufactured from SPS MP98T superalloy, have a minimum tensile strength of 180 ksi and fracture toughness that exceed 200 ksi in.- 1/2.

This toughness makes them suitable for critical aerospace engine and airframe applications. The alloy also resists embrittlement in high-pressure hydrogen environments, such as rocket motors using liquid hydrogen for fuel. Available in a variety of configurations, the MP98T fasteners come in sizes up to 1.75 in., with larger sizes possible.

SPS Technologies,
301 Highland Ave., Jenkintown, PA 19046-2692,
(215) 572-3565, spstech.com/aero

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