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tensile strength of stainless steel 302

Question Ayman

How much tensile strength of stainless steel 302 for 0.625″ wire diameter?

Answer Tokai Spring

Dear Question Ayman
Thank you for your inquiry.
I would like to reply regarding tensile strength.
According to the Japanese standard JIS G4314, there are two types of SUS302: SUS302-WPA and SUS302-WPB.
Each and every tensile strength is different as follows.
φ0.625     tensile strength 
SUS302-WPA :  1530~1780 N/mm²
SUS302-WPB : 1850~2100 N/mm²

Please feel free to contact us if you have any questions.

Best Regards
Tokai Spring Support team

Answer Ayman

Thank you dear for your answer. ..

When we have to apply stress correction factor in comparison spring design calculation?

Answer Tokai Spring

Dear Ayman,

For compression coil springs, the stress correction factor is considered when the spring is used under a dynamic load.
For more information, please visit this site:

Compression Springs: How To Calculate Spring Stress

Best regards,
Tokai Spring’s Support Team

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