| 马氏体不锈钢包括马氏体型不锈钢 |
| 添加时间：2022/1/28 11:14:32 浏览次数： |
| 马氏体不锈钢包括马氏体型不锈钢和沉淀硬化型不锈钢。在工程应用中，是以力学性能为主要目的。虽然这类钢在大气腐蚀和较缓和的腐蚀介质中（如水及某些有机介质）具有良好的抗腐蚀的能力，但其腐蚀性能往往不作为检验项目。 Martensitic stainless steel includes martensitic stainless steel and precipitation hardening stainless steel. In engineering application, mechanical properties are the main purpose. Although this kind of steel has good corrosion resistance in atmospheric corrosion and mild corrosive media (such as water and some organic media), its corrosion performance is often not used as an inspection item. 其化学成分的范围是：Cr13%-17%，Ni2%-6%，C≤0.06%。金相组织中主要是低碳板条状马氏体，因此，具有优良的力学性能，强度指标是奥氏体不锈钢的二倍以上，同时又具备良好的工艺性能，特别是焊接性能。因此在重要工程应用中占有极为重要的地位，是铸造不锈钢领域内的一个重要分支。 The range of chemical composition is: Cr13% - 17%, Ni2% - 6%, C ≤ 0.06%. The metallographic structure is mainly low-carbon plate and strip martensite. Therefore, it has excellent mechanical properties. The strength index is more than twice that of austenitic stainless steel. At the same time, it also has good process properties, especially welding properties. Therefore, it occupies a very important position in important engineering applications and is an important branch in the field of cast stainless steel. |
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