65Mn Steel [PDF]

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65Mn Steel



65Mn Spring Steel Specification 1. Chemical Composition of 65Mn Spring Steel C



Si



Mn



S



P



Cr



Ni



Cu



0.620.70



0.170.37



0.901.2



≤0.035



≤0.035



≤0.025



≤0.30



≤0.25



2. Mechanical Property of 65Mn Spring Steel Tensile Strength



Yield Strength



Elongation



Hardness



825-925



520-690



14-22.5



≤302HB ≤321HB



3. Application of 65Mn Spring Steel: - Common use bearing tool spring steel - Knife steel - Stationery clamp - Saw blade - Motor car horn reed - Roller shutter door - Torsion spring