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US 8,702,835 B2Granted
High strength low alloyed sintered steel
AssigneeHöGanäS AB (Publ)
InventorsYang Yu, Norimitsu Hirose
Life of this patent
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Abstract
A water-atomized iron-based steel powder is provided which comprises by weight-%: 0.45-1.50 Ni, 0.30-0.55 Mo, less than 0.3 Mn, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities, and the balance being iron, and where Ni and Mo have been alloyed by a diffusion alloying process.
Claims9
A water-atomised iron-based steel powder which comprises in % by weight
- 0.45-0.65 Ni,
- 0.45-0.55 Mo,
- 0.15-0.3 Mn,
- less than 0.2 Cu,
- less than 0.1 C,
- less than 0.25 O,
- less than 0.5 of unavoidable impurities,
- and the balance being iron,
- and where Ni and Mo have been alloyed by a diffusion alloying process.
6 more elements
Dependencies are inferred from the claim text.