NK-301ZF combines high strength with high ductility, enabling both weight reduction of parts and simplification of manufacturing processes. These characteristics have led to its adoption in a wide range of applications, including smartphone components, diaphragm, and flat spiral spring.
As part of its environmentally conscious “Eco-Product” series, NIPPON KINZOKU presents “NK-301ZF,” a spring-use stainless steel that achieves both outstanding processability and high strength within the chemical composition range of SUS301 (JIS). Numerous industries, including the semiconductor, automotive, and electronic component sectors, have made extensive use of this material.
Because NK-301ZF combines high strength and high ductility, items can be made lighter and manufacturing procedures can be made simpler. This helps the customer’s production process as a whole by increasing energy efficiency and lowering environmental impact.
Its increased design flexibility also makes it possible to optimize shapes and specifications, which raises processing yield and efficiency. Because of these qualities, it has been used in many different applications.
Based on these factors, NK-301ZF is classified as a “Eco-Product” at its organization. In order to achieve Net Zero CO2 emissions by 2050, we are dedicated to sustainable production through the promotion of eco-friendly products.
The 11th business strategy of NIPPON KINZOKU, “NIPPON KINZOKU 2030,” which focuses on the fundamental idea of “Near Net Performance”—achieving the performance demanded by end goods through material design—was followed in the development of this product.
Our goal is to increase sales even more in the semiconductor, automotive, and electronic component industries.
Features
1. Chemical Composition
The chemical composition is adjusted to meet the JIS standard range.
2. Mechanical Property
Compared to conventional SUS301, NK-301ZF has greater elongation, helping to prevent cracking during forming. It is also a high-strength material that can achieve a hardness level of HV580 or higher.
At equivalent strength levels, it offers higher elongation and superior ductility to conventional SUS301.
3. Fatigue Resistance, Processability
We controlled the inclusions in the steel, which significantly reduced the amount of macroscopic nonmetallic inclusions.
Consequently, we anticipate improved fatigue resistance.
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