Cold-rolled austenitic stainless steel for low-earing-rate deep-drawing sensor shell and manufacturing method of cold-rolled austenitic stainless steel
By adopting the preparation method of cold-rolled austenitic stainless steel for deep-draw sensor shells with low-ear rate, the problem of ear making phenomenon during the stretching process of sensor shells is solved, which improves production efficiency and reduces material waste.
CN119702754AActive Publication Date: 2025-03-28TIANJIN TISCO & TPCO STAINLESS STEEL CO LTD
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Patent Information
- Application Number
- CN202411938177.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-12-26
AI Technical Summary
Technical Problem
The sensor shell is prone to ear making during stretching, resulting in mold wear, increased production costs and waste of raw materials.
Method used
The preparation method of cold-rolled austenitic stainless steel for low-ear rate deep-drain sensor shells is adopted, including hot rolling, cold rolling, cold rolling annealing and other processes to control the grain size and deformation of the material to reduce the ear making phenomenon.
Benefits of technology
It effectively reduces the ear-making problems of the sensor shell during the stretching process, reduces mold wear, improves production efficiency, and avoids material waste.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides low-earing-rate cold-rolled austenitic stainless steel for a deep-drawing sensor shell and a manufacturing method thereof.The manufacturing method comprises the following steps that S1, hot-rolled black skin passes through a hot-rolling continuous fire pickling unit, and a white skin raw material is obtained; s2, the white skin raw material obtained in the step S1 is rolled through a twenty-roller single-rack reversible cold rolling mill, and a hard plate is obtained; s3, the hard plate obtained in the step S2 is subjected to intermediate process annealing through a cold rolling annealing process, and a soft material with the grain size being 7.5-8 is obtained; and S4, rolling the soft material obtained in the step S3 to obtain a hard material. And S5, the hard material is subjected to cold rolling, annealing and acid pickling, and the grain size of the obtained material is 8. The die has the beneficial effects that the abrasion of the die is greatly reduced, the production efficiency is improved, and the waste of materials is avoided.
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