This part of YY 0605 specifies the characteristics and corresponding test methods of stainless steel with a nitrogen content of 0.25%~0.50% for surgical implants that require high strength and good corrosion resistance.
YY 0605.9-2015 history
2015YY 0605.9-2015 Implants for surgery.Metallic materials.Part 9:Wrought high nitrogen stainless steel
2007YY 0605.9-2007 Implants for surgery-Metallic materials-Part 9: Wrought high nitrogen stainless steel