Company Filing History:
3 out of 22,311 
3 out of 7 Years Active: 2021-2024
Title: Yiyin Shan: Innovator in Ultra-High Strength Maraging Stainless Steel
Introduction
Yiyin Shan is a prominent inventor based in Shenyang, China. He has made significant contributions to the field of materials science, particularly in the development of ultra-high strength maraging stainless steel. With a total of three patents to his name, his work is recognized for its innovative approach to enhancing material properties.
Latest Patents
One of Yiyin Shan's latest patents focuses on ultra-high strength maraging stainless steel with salt-water corrosion resistance. This steel features a nominal composition that includes C≤0.03%, Cr: 13.0-14.0%, Ni: 5.5-7.0%, Co: 5.5-7.5%, Mo: 3.0-5.0%, Ti: 1.9-2.5%, Si: ≤0.1%, Mn: ≤0.1%, P: ≤0.01%, S: ≤0.01%, and Fe as the balance. The developed steel exhibits ultra-high strength with σb≥2000 MPa, σ0.2≥1700 MPa, δ≥8%, and ψ≥40%. It also demonstrates high toughness with KIC≥83 MPa·m1/2 and superior salt-water corrosion resistance, making it suitable for structural parts used in harsh corrosive environments, such as marine settings containing chloride ions.
Career Highlights
Yiyin Shan has worked with notable organizations, including The Boeing Company and the Institute of Metal Research. His experience in these esteemed institutions has contributed to his expertise in materials engineering and innovation.
Collaborations
Some of Yiyin Shan's coworkers include Jialong Tian and Ke Yang. Their collaborative efforts have likely played a role in advancing research and development in their respective fields.
Conclusion
Yiyin Shan's contributions to the field of materials science, particularly through his patents on ultra-high strength maraging stainless steel, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the development of materials suitable for challenging environments.