Mecasteel 145 is a steel grade delivered in prehardened condition (yield strength > 1000 MPa, or > 145 ksi) and available in very large dimensions (width 2 m, or 78 in.; thickness up to 635 mm, or 25 in.). This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on forming. Filing Code: SA-703. Producer or source: Industeel USA, LLC. Originally published as Alloy Digest SA-691, February 2014, revised July 2014.

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