低磁导率高耐腐蚀奥氏体不锈钢及其制造方法和应用
By optimizing the composition and process of C-Ni-Cr-VN, the problems of high corrosion resistance and low magnetic permeability of austenitic stainless steel in nuclear magnetic resonance medical equipment have been solved, achieving high-performance and environmentally friendly production of the material.
CN120443044BActive Publication Date: 2026-07-17SHANXI TAIGANG STAINLESS STEEL CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANXI TAIGANG STAINLESS STEEL CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-07-17
Smart Images
Figure BDA0005394790770000101
Abstract
本发明属于钢铁冶金行业的不锈钢新材料技术领域，涉及一种低磁导率高耐腐蚀奥氏体不锈钢及其制造方法和应用。本发明的低磁导率高耐腐蚀奥氏体不锈钢，按重量百分比计，包括：C：0.030‑0.100％；Si：0.30‑1.00％；Mn：1.50‑2.00％；P≤0.035％；S：≤0.005％；Cr：18.50‑24.00％；Ni：10.50‑12.00％；V：0.05‑0.30％；N：0.050‑0.120％；Cu≤0.30％，Mo≤0.30％，Pb+Sn+As≤0.0050％，余量为Fe及不可避免的杂质。本发明通过优化合金成分，显著提高了材料的耐腐蚀性能，满足核磁医疗设备在复杂环境中的长期稳定使用需求。
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