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OwnerWei Yuan, Ming Cai +2inventors
InventorsWei Yuan, Ming Cai, Xiaoming Xu, Jiahao Huang
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A steel material is disclosed. The steel material includes components in the following mass percentages: 14% to 20% of nickel, 7.5% to 11% of cobalt, 4% to 7% of molybdenum, to 0.5% of rhenium and/or a rare earth element, less than or equal to 0.2% of manganese, less than or equal to 0.2% of silicon, less than or equal to 0.1% of carbon, less than or equal to of oxygen, iron, and inevitable impurities. The steel mechanical part is made of the steel material. The preparation method includes: mixing alloy powder and a binder to prepare feed particles; performing injection molding on the feed particles to obtain an injection green billet of the steel mechanical part; performing debinding and sintering on the injection green billet in sequence to obtain a sintered blank; and performing heat treatment on the sintered blank to obtain the steel mechanical part.
A steel material, wherein the steel material comprises components in the following mass percentages:
A steel mechanical part, wherein the steel mechanical part comprises a steel material, wherein the steel material comprises components in the following mass percentages:
A terminal, wherein the terminal comprises a steel mechanical part, wherein the steel mechanical part comprises a steel material, wherein the steel material comprises components in the following mass percentages:
Dependencies are inferred from the claim text.