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Crucible Steel S7 (AISI S7) Tool Steel
Categories: Metal; Ferrous Metal; Tool Steel; Mold Steel

Material Notes: Crucible S7 is a shock resisting tool steel with excellent toughness and high strength, along with low to medium wear resistance. It has been widely used for many years to make chisels and punches which undergo shock loading, and has found increasing use for small plastic molds. S7 is easy to machine in the annealed condition and can be readily heat treated. It is deep hardening and in many cases (except for large sections) it can be air quenched, exhibiting minimal distortion on hardening. Due to its relatively high attainable hardness (HRC 58/60) it offers high compressive strength (resistance to deformation) while retaining good toughness. Crucible S7 is a versatile tool steel for both cold and warm shock applications.

Information provided by Crucible Specialty Metals.

Vendors:
Available Properties
  • Density
  • Hardness, Brinell, Annealed
  • Hardness, Rockwell C
  • Modulus of Elasticity
  • Charpy Impact, Austenitizing Temperature- 955°C
  • CTE, linear
  • CTE, linear
  • Thermal Conductivity
  • Shrinkage, Tempered at 400°F
  • Carbon, C
  • Chromium, Cr
  • Iron, Fe, As Remainder
  • Manganese, Mn
  • Molybdenum, Mo
  • Silicon, Si
  • Vanadium, V
  
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