Fatigue resistant 301 stainless steel spring strip is a special material designed for high cycle stress applications. Its unique austenite structure can induce martensitic transformation through cold rolling, significantly improving tensile strength (up to 1500MPa) and fatigue life.
301 stainless steel material strictly follows spring steel standards such as ASTM A313, with a typical composition of 16-18% chromium and 6-8% nickel. Precision-controlled grain size (usually 8-10 grades) ensures excellent elastic recovery and stress relaxation resistance.
301 stainless steel spring belt is particularly suitable for manufacturing high-demand parts such as automotive suspension springs and medical device springs. Its corrosion resistance is 3-5 times higher than that of ordinary carbon steel spring materials, and it can still maintain stable performance in humid environments.
When purchasing 301 stainless steel, you need to pay attention to the fatigue limit curve (S-N curve) and surface finish of the material (Ra≤0.4μm is recommended). Professional suppliers will provide heat treatment process certification and fatigue test reports for the material.
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