Classification of common disc springs:
1. Ordinary disc spring
2. Stainless steel disc spring
3. High temperature resistant disc spring
Disc spring materials and suggestions:
Spring steel: 60Si2MnA, 50CrVA ≤ 250 ° C, recommended for normal environment.
Stainless steel: ss301, ss302, SS304, SS316, 17-7ph ≤ 300 ° C, recommended for use in corrosive environment.
High temperature resistance: Inconel 718 (American Standard) GH4169 (national standard) ≤ 800 ° C, recommended for use in high temperature environment.