• Chicago: 800-323-0740
Precision Steel Warehouse, Inc.
Your Flat Rolled Steel Specialist

Special Temper High Carbon Strip Steel

  • Rockwell Approx. C40 Min. Also available
  • C37-40
  • Analysis
  • C .68/.90
  • MN .60/.90
  • P .040 Max.
  • S .050 Max.

With its Rockwell at approximately C40 and tensile strength at 200,000 PSI minimum this SPECIAL TEMPER HIGH CARBON SPRING STEEL STRIP has been produced to fill a need between Annealed and Tempered Spring Steel, and is commonly used in spring clips . It is lower in cost than Tempered, it does not require hardening after forming which allows it to be used for flat spring clips and other parts where warpage in heat treatment is a problem. Stress relief is not recommended or required. The formability of this material is good for the Rockwell range, performance, and fatigue life compares very favorably with that of Scaleless Tempered Spring Steel of the same hardness. The flatness of this material does not compare with that of Tempered Spring Steel but may have a “coil set” similar to that found in Type 302 Full Hard Stainless. Sold only on approval of samples.
We would be happy to supply this same quality direct from Mill - Minimum quanities 6,000 to 10,000 lbs

COMPLETE FACILITIES for Slitting - Shearing - Blanking and Edging. Available in coils or cut lengths. Sizes other than those listed and in all thicknesses .001 and heavier are obtainable and may be ordered for you.


The minimum order for PSW coil products is $300. 

Special Temper High Carbon Spring Steel Tolerance Data
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