OIL HARDENED AND TEMPERED SPRING STEEL WIRE

FDC, FDSiCr, FDSiCrV: Suittable for static application.
TDSiCr, TDSiCrV: Spring Steel wire for springs with medium fatigue level, such as required for some clutch springs from unalloyed or alloyed steel.

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PATENTED COLD DRAWN UNALLOYED SPRING STEEL WIRE

SL: Tension, compression or torsion springs which are predominantly subjected to low static stress.
SM: Tension, compression or torsion springs which are subjected to medium high static stresses or rarely to dynamic stresses.

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