Thick 900MPa-grade high-surface steel for engineering machinery and preparation method of thick 900MPa-grade high-surface steel
The invention discloses steel for thick 900 MPa-grade high-surface engineering machinery and a preparation method of the steel, and belongs to the technical field of metallurgical technologies. The thickness of the steel for the engineering machinery is 20-25mm, the tensile strength is 900MPa, and t...
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Format: | Patent |
Sprache: | chi ; eng |
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