X39Cr13 Stainless Steel
Overview
X39Cr13 is a martensitic stainless steel grade widely recognized for its combination of hardness, corrosion resistance, and machinability. It belongs to the 420 series of stainless steels, with a chromium content of approximately 13%, which provides moderate corrosion resistance. This steel is particularly valued in industries requiring sharp edges and durability, such as cutlery and surgical tool manufacturing. The material is typically supplied in annealed condition and achieves its full hardness through heat treatment. Its balanced composition makes it suitable for precision machining while maintaining edge retention, a critical factor for blades and cutting tools. The steel's performance can be further enhanced through processes like tempering or surface treatments.
Physical and Chemical Properties
X39Cr13 exhibits a density of approximately 7.75 g/cm³ and a melting point ranging between 1450-1510°C. In its hardened state, it can reach Rockwell hardness values of 50-55 HRC, making it significantly harder than many other stainless steels. The chromium content provides passivation against oxidation, though its corrosion resistance is lower than austenitic grades like 304 stainless. Chemically, the steel contains about 0.39% carbon, which contributes to its hardenability, along with 13% chromium for corrosion resistance. Small amounts of other elements like silicon, manganese, and phosphorus are typically present as well. The material is ferromagnetic and maintains its properties well at moderate temperatures, though prolonged exposure to high temperatures can affect its hardness.
Main Applications
The primary application of X39Cr13 is in the production of high-quality cutlery, including kitchen knives, professional chef's knives, and pocket knives. Its ability to hold a sharp edge while resisting corrosion makes it ideal for these uses. The medical industry also utilizes this steel for surgical instruments, where its combination of sterilizability and edge retention is valuable. Industrial applications include the manufacturing of mechanical components subject to wear, such as valve parts, pump shafts, and measuring instruments. The steel is also used in plastic molding applications where corrosion resistance and polishability are required. In recent years, it has found use in custom knife-making and artisanal blade crafting due to its balanced performance characteristics.
Safety and Storage
While X39Cr13 is not classified as hazardous in its solid form, proper safety measures should be taken during machining operations. Grinding or cutting the material produces dust that can be harmful if inhaled, requiring the use of appropriate respiratory protection. Eye protection is also essential when working with this material due to potential flying particles. For storage, the steel should be kept in a dry environment to prevent surface corrosion. Although it is stainless, prolonged exposure to moisture or corrosive atmospheres can lead to surface staining or pitting. Indoor storage with controlled humidity is recommended, especially for precision-finished components. For long-term storage, applying a light protective oil can help maintain surface quality.
B2B Procurement Guide
When procuring X39Cr13 in bulk, buyers should clearly specify their requirements regarding hardness (usually in HRC scale), dimensional tolerances, and surface finish. For critical applications like medical instruments, certifications such as ISO 7153-1 for surgical materials may be required. Lead times can vary significantly based on the form (bar, sheet, or wire) and the supplier's inventory. Quality verification should include chemical composition analysis and hardness testing. Many suppliers provide material test certificates (MTCs) with each batch. For cost-sensitive applications, consider comparing prices from multiple suppliers, but be wary of significantly lower prices that may indicate inferior quality or incorrect material composition. Just-in-time delivery options may be available from larger stockists to reduce inventory costs.
Related Manufacturers
- 主营：铝型材、铝青铜、热强钢、高速钢、特殊钢、弹簧钢、防锈铝、铬锆铜、铝合金、无氧铜、黄铜管、纯铜带、热处理、结构钢、铝卷板、低合金、铍青铜、合金钢、锰黄铜、标准件、铁素体、无磁钢、无缝管、紫铜板、铅黄铜
- 主营：纯锆管、车光棒、钛法兰、圆钢f51、纯钛板、镍合金、光棒材、高温合金、哈氏合金、蒙乃尔合金、镍铜合金、钴基合金、镍基合金、钛合金、双相不锈钢、不锈铁、铸造母合金、司太立合金、不锈钢棒、GH4169高温合金、718镍铁合金、904L不锈钢、2507双相钢棒、2205不锈钢棒
- 主营：无磁板、耐候板、精光板、轮钢棒、齿轮钢、中厚板、冷轧板、钢棒材、光亮棒、热轧板、紧固件、叶片钢、钻头钢、模具钢、2a49铝板、2a21铝板、8407板材、snc1圆钢、ly10铝板、ly13铝板、gh706圆钢、gh130圆钢、36mn6棒材、09mnd圆钢、gh163棒材
- 主营：铁素体、哈氏合金、耐腐蚀钢板
- 主营：轴承钢、研磨棒、无缝管、合金钢、圆钢料、合金圆钢、不锈钢棒、六角棒管、圆钢棒材、不锈钢管、锻打圆棒、六角钢棒、圆钢棒料、圆钢光棒、模块板材、易切削钢、模具钢板、不锈铁板、不锈钢圆钢、高韧性钢板、不锈钢圆棒、沉淀硬化钢、不锈钢板带、光亮六角钢、冷拉六角棒
- 主营：圆钢棒、圆锻件、钢板材、光棒车、研磨棒、复合板、挡渣板、钢棒材、圆棒材、圆棒料、锂靶材、无缝管、精密管、螺丝钉、合金板、钽靶材、时效钢、合金棒料、不锈钢板、膨胀合金、电热合金、六角螺母、热轧钢板、六角螺栓、合金靶材
- 主营：电磁不锈钢棒、不锈钢研磨棒
- 主营：铝合金、不锈钢、模具钢、钛合金、弹簧钢、电磁不锈钢、铜合金
- 主营：模具钢、特殊钢、合金钢、高速钢、粉末钢、耐磨钢、合结钢、欧标钢、德标钢、不锈钢、轴承钢、弹簧钢、薄钢板、高温合金、耐蚀合金、蒙乃尔合金
- 主营：精磨棒、直升机、高速钢、弹簧钢、电磁阀、耐候板、桥梁板、合金钢、容器板、钨钢棒、精光板、六角钢、齿轮钢、钨钢条、钨钢板、注塑机、结构钢、钨钢支、铍铜板、汽车钢、黄铜板、冷轧板、航空钢、镍合金、锰钢棒
- 主营：不锈钢、碳钢、高温合金、x39cr13钢圆、哈氏合金、镍基合金、铝合金
- 主营：12cr17ni7、0cr25ni20、06cr23ni13、06cr20ni11、16cr23ni13、00cr18ni10、00cr19ni10、1cr18ni11ti、07cr17ni7al、不锈钢板、合金圆钢、06cr18ni11ti、5cr21mn9ni4n、00cr25ni6mo2n、06cr17ni12mo2、33cr23ni8mn3n、0cr15ni7mo2al、镍合金、双相不锈钢、哈氏合金、高温合金
- 主营：模具钢、无磁钢、特殊钢、耐热钢、合金钢、耐磨钢、不锈钢、德标钢、欧标钢、高速钢、粉末钢、轴承钢、齿轮钢、弹簧钢、高温合金
- 主营：冷轧钢卷、琴钢线、弹簧钢、碳结钢、合金钢、工具钢、模具钢、锰钢、C67S、白钢刀、铜材、钢带、钢板、钢棒、钢线、钢管、1.1231、C70、易切削钢、CK67、1070、C67、SC67、CS67、080A67
- 主营：钛合金、镁合金、铝合金、切削钢、弹簧钢、轴承钢、合金钢、高速钢、模具钢、纯铁、铸铁、工具钢、不锈钢、高温合金