Chrome vanadium steel

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double wrench made of chrome-vanadium steel

The term chromium-vanadium steel (Abbreviations CrV , CrV , SAE 6xxx or AISI 6xxx ) denotes iron alloys which, in addition to that for steel typical carbon among others chromium and vanadium as alloying elements contained. Both chrome and vanadium make the steel easier to harden. Chromium also helps increase resistance to abrasion and corrosion. Chromium and carbon can increase elasticity. Some grades can be used as high speed steel (HSS).

The term chrome vanadium is often used to market tools to promote their quality. The decisive factor for the desired hardness and elasticity, however, is the tempering of the steel through hardening and subsequent tempering.

The chromium content is typically 0.4% to 1.2%, the vanadium content between 0.1% and 0.15%. In addition, it mostly contains silicon (0.15–3%), manganese (0.4–1%), phosphorus (0.035%) and sulfur (0.04%). Of these, the elements chromium, manganese and vanadium are desirable. In addition, small proportions of the elements nickel, molybdenum and titanium can be desirable. The other elements are not wanted and are considered impurities.

Individual evidence

  1. ^ Paul Oberhoffer: The forgeable iron . Ed .: Julius Springer. 1st edition. Springer-Verlag, Berlin 1920, ISBN 978-3-642-92063-9 , doi : 10.1007 / 978-3-642-92063-9 .
  2. ^ A b Oberhoffer, Paul, 1882–1927: The technical iron; Constitution and characteristics . J. Springer, 1936, OCLC 23338298 .
  3. Overview of materials for AISI 6000 Series Steel. Retrieved March 6, 2019 .