Overview
37CrNi3 is a high-strength alloy steel primarily composed of chromium (Cr) and nickel (Ni). It is renowned for its exceptional mechanical properties, including high tensile strength, toughness, and resistance to wear and fatigue. These characteristics make it a preferred material for demanding industrial applications where durability and reliability are critical. The alloy's composition typically includes around 0.37% carbon, 1.5% chromium, and 3% nickel, along with other trace elements that enhance its performance. Its balanced chemical composition ensures a combination of hardness and ductility, making it suitable for heavy-duty components.
Physical and Chemical Properties
37CrNi3 exhibits a density of approximately 7.85 g/cm³, which is standard for alloy steels. Its melting point ranges between 1420-1460°C, reflecting its stability under high temperatures. The alloy is insoluble in water and resistant to corrosion when properly treated or coated. Key mechanical properties include a tensile strength of 1000-1200 MPa and an elongation at break of around 10-15%. These properties are achieved through heat treatment processes such as quenching and tempering, which optimize the material's microstructure for specific applications.
Main Applications
37CrNi3 is extensively used in industries that require materials capable of withstanding extreme stress and wear. In the aerospace sector, it is employed in landing gear components and engine parts. The automotive industry utilizes it for high-performance crankshafts, gears, and transmission components. Heavy machinery manufacturers rely on 37CrNi3 for constructing parts like axles, shafts, and hydraulic components. Its ability to endure high cyclical loads makes it ideal for applications where failure is not an option, such as in mining equipment and construction machinery.
Safety and Storage
When handling 37CrNi3, standard industrial safety measures should be followed. Workers should wear protective gear, including gloves and eye protection, especially during machining operations that generate dust or metal shavings. Proper ventilation is recommended to minimize inhalation risks. Storage conditions should be dry and cool to prevent oxidation and surface degradation. The material should be kept away from moisture and corrosive environments. For long-term storage, applying a light coating of oil can help preserve the steel's surface integrity.
B2B Procurement Guide
Procuring 37CrNi3 requires careful consideration of supplier reliability and material certifications. Buyers should request mill test reports (MTRs) to verify the alloy's chemical composition and mechanical properties. It is advisable to work with suppliers who adhere to international standards like ASTM or ISO. Pricing varies based on market conditions, order volume, and processing requirements. Bulk purchases typically offer cost advantages, but buyers should balance price with quality assurance. Lead times can vary, so early engagement with suppliers is recommended for critical projects.
Related Manufacturers
- 主营：模具钢、合金钢、镍合金、37CrNi3铬镍合金结构钢、冷轧钢板、优碳钢、冷拉钢、弹簧钢、耐磨板、耐候钢、线材、不锈钢、钛合金、热轧板、汽车钢板、纯铁、钨钢料、高速钢
- 主营：Q355D无缝方管、Q355E无缝方管、Q355D圆钢、Q355D工角槽、Q690D圆钢
- 主营：大圆钢、实心棒材、合金圆钢、37CrNi3棒材、螺钉钢棒、合金圆棒、冷拔圆钢、弹簧圆钢、调质圆棒、冷拉圆钢、锻造圆钢、合金结构钢棒
- 主营：无缝管、精密钢管、无缝钢管、37CrNi3圆钢、40cr精密管、冷轧精密管、高压合金管、精密薄壁管、无缝光亮管、精密光亮管、大口径合金管、球扁钢
- 主营：37CrNi3钢棒、圆钢、钢板
- 主营：耐酸板、中厚板、耐候板、37CrNi3圆钢、室外板、结构板、热轧板、高强板、容器板、hg70d钢板、耐磨钢板、高强度板、容器钢板、hg785d钢板、高强钢板、钢板切割、耐候钢板、耐酸钢板、q235nh钢板、hg785xye钢板、脱硫设备用、焊接结构钢、钢结构厂房、q345b低合金钢板、q345d耐低温钢板
- 主营：铬钼圆钢、钢板、无缝管、37CrNi3、齿轮钢、低温管
- 主营：Q235CH型钢、Q235DH型钢、Q355CH型钢、37CrNi3合金钢板、Q355DH型钢、Q235C槽钢、Q235D槽钢、Q355C槽钢、Q355D槽钢、Q355E槽钢、Q235C角钢、Q235D角钢、Q355C角钢、Q355D角钢、Q235C工字钢、Q235D工字钢、Q355C工字钢、Q355D工字钢、Q235C方管、Q355E工字钢、Q355C方管、Q355D方管、Q355NEH型钢、Q235D圆钢、Q355NE槽钢、Q355D圆钢
- 主营：工字钢、角钢、槽钢、H型钢、钢板、圆钢、无缝钢管
- 主营：电镀锌、热镀锌、电工钢、37CrNi3、镀铝锌、汽车钢、冷轧板、热轧酸洗板卷
- 主营：无缝管、镀锌钢管、流体管、37CrNi3圆钢、无缝钢管、精轧钢管、高压锅炉管、小口径钢管、精密钢管、等边角钢、镀锌工字钢、镀锌扁钢、热浸镀锌钢管、美标无缝钢管、中厚板、冷拉方钢、天然气用管线管、内外涂塑钢管、管线管、温室大棚管、镀锌H型钢、镀锌方管、镀锌椭圆管、螺旋管、保温钢管、螺旋焊管
- 主营：H型钢、工字钢、角钢、槽钢、钢板、圆钢、镀锌卷板、镀锌带钢、方管、无缝管
- 主营：冷轧卷、冲压冷板、镀锌板卷、275克锌铝镁板、冷成型RECC、正品冷轧余卷、冷板SPCC、冷轧卷板、冷轧盒板ST12、鞍钢冷轧盒板、镀锌板、镀锌卷板、镀锌钢卷、镀铝锌钢板、镀铝锌卷板、敷铝锌板、酸洗钢板、酸洗板、酸洗钢卷、高强汽车酸洗钢、热轧钢板Q235B、热轧锰板Q355B、锌铝镁板、XG800中厚钢板、纯铝板铝棒
- 主营：9Cr2Mo圆钢、45crnimov圆钢、5crnimo圆钢、crwmn圆钢、5crmnmo圆钢、60CrMoV圆钢、无缝钢管、合金钢板、铝棒铝管、20crmnti钢管、42CrMo钢管、大口径厚壁钢管、20crni3圆钢、20Cr2Ni4圆钢、Q355D圆钢、18Cr2Ni4W、8620H圆钢、GCr15轴承钢管、45#钢管、20#钢管、38crmoal钢管、30CrMnSi钢管、12Cr1MoV钢管、P91钢管、31CrMoV9圆钢
- 主营：高温合金、蒙乃儿合金、哈氏合金、37CrNi3材料、沉淀硬化钢、超级不锈钢、双相不锈钢、合金结构钢、特种钢、钛合金