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Property class

Material

Notes

  • Property classes are defined differently depending on the material.For steel, X×100 of X.Y is the tensile strength; for stainless steel, ten times the class value is the minimum tensile strength; non-ferrous fasteners have no property class at all.
  • The values here are for room temperature.Mechanical properties change at high and low temperatures, so do not apply these values directly.
  • Sources: JIS B 1051 (including Annex B), JIS B 1054-1 (including Annex F), JIS B 1057
Bolts — Property class — Bolt Dimensions | Updraft - Mechanical Engineering Calculators