GH80A alloy square steel and preparation method thereof
The invention discloses GH80A alloy square steel and a preparation method thereof, and relates to the technical field of alloy material forging, and the preparation method comprises the following steps: S1, carrying out turning treatment on surface defects of a GH80A alloy steel ingot; s2, slowly he...
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| creator | WU HAIBIN PEI BINGHONG WANG RUI FENG XU HE YUNHUA TANG PING |
| description | The invention discloses GH80A alloy square steel and a preparation method thereof, and relates to the technical field of alloy material forging, and the preparation method comprises the following steps: S1, carrying out turning treatment on surface defects of a GH80A alloy steel ingot; s2, slowly heating the cast ingot obtained in the step S1 to 1130-1170 DEG C for more than or equal to 5 hours; discharging, carrying out first upsetting and drawing on a 5000t fast forging machine, and carrying out remelting heat preservation for more than or equal to 1h; discharging again for secondary upsetting and drawing, and remelting and preserving heat for more than or equal to 1h; discharging and drawing to obtain an octagonal intermediate billet; and S3, slowly heating the octagonal intermediate billet obtained in the S2 to 1160-1170 DEG C for more than or equal to 3 hours, discharging, and forging by 2-3 fire through a 2000t high-frequency precision forging machine to form square steel. According to the method, repea |
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According to the method, repea</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | GH80A alloy square steel and preparation method thereof |
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