The modulus of rigidity of SAE9254 spring material

Dear Karthikeyan,

Thank you very much for your question!
According to JIS B 2704 – the design standard for coil springs, the recommended modulus of rigidity is 78.5 GPa.
You can check this site out for more information.
http://www.matweb.com/search/datasheettext.aspx?matguid=265658bc5ad04ef1b42a73e51cdec2f1
(Click on the “View Data” button in the Property Data table)
The rigidity varies slightly depending on the documents even for the same steel type.

If you have any other questions, please let us know.

Best regards,

Dear Ayman,

We have free online design software so if you could please check it out, it will give you the specific answer to your question.
https://www.tokaibane.com/en/cl/compression-spring-calculator/
We hope it helps!

Best regards,
Tokai Spring’s Support Team