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Alloy Digest (2019) 68 (9): SA-851.
Published: 01 September 2019
... Aldur 550QL1 chemical composition low-temperature alloys physical properties tensile properties Aldur® steels are a family of water-quenched, high-strength fine-grained steels with a minimum yield strength between 500 and 960 MPa (72.5 and 139 ksi) and with excellent toughness at low temperatures...