Fatigue limits of spring materials

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keyword: SUS304; SUP; springmaterials; pianowire; SWP-A; SWP-B; SWOSC-V; SNcurve; fatiguelimit

Question Catshoes 2006/10/16(Mon) 11:52

I have a question. I’m always worried about fatigue limits when it comes to spring design. Is there any S-N curve data for piano wire (SWPA, SWPB), SUS304, SWOSC-V, SUP material, etc.?

Answer Tokai Spring 2006/10/16(Mon) 17:53

Thank you for writing to us, Catshoes!
Unfortunately, we do not have the S-N diagram for SUS material, but we have a fatigue strength diagram for piano wires and oil temper wires, so we will send them to you directly by email!

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