52100

noun

A common ball bearing metal, also used for blademaking, knifemaking. A high-carbon low-alloy chromium steel; typically containing 1.0% carbon and 1.5% chromium, with low silicon (0.25%) and manganese (0.35%).

“In the annealed condition 52100 is comparatively easy to machine.”

Similar
1.3505100Cr652100 alloy steel52100 bearing steel52100 steel52100 steel alloyAISI 52100alloy steel 52100
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Meanings

noun52100 (uncountable)
  1. USuncountableengineeringA common ball bearing metal, also used for blademaking, knifemaking. A high-carbon low-alloy chromium steel; typically containing 1.0% carbon and 1.5% chromium, with low silicon (0.25%) and manganese (0.35%).

    52100 continues to be the most used bearing steel.

    2 more examples

    52100 bearings developed the largest compressive residual stress.

    In the annealed condition 52100 is comparatively easy to machine.

    Synonyms: 1.3505, 100Cr6, 52100 alloy steel, 52100 bearing steel, 52100 steel, 52100 steel alloy, AISI 52100, alloy steel 52100

Synonyms & antonyms

nounA common ball bearing metal, also used for blademaking, knifemaking. A high-carbon low-alloy chromium steel; typically containing 1.0% carbon and 1.5% chromium, with low silicon (0.25%) and manganese (0.35%).

Similar
1.3505100Cr652100 alloy steel52100 bearing steel52100 steel52100 steel alloyAISI 52100alloy steel 52100ASTM 52100DIN 1.3505EN 1.3505ISO 100Cr6SAE 52100UNI 100Cr6

Origin

Coined by the U.S. SAE iron and steel committee in 1919, replacing the earlier designation 52-95; being a 52-series iron alloy (steel).

Full word history & related roots →

Translations

French 100C6, AFNOR 100C6
  • 100C6Translations
  • AFNOR 100C6Translations
German 1.3505, DIN 1.3505
  • 1.3505Translations
  • DIN 1.3505Translations
  • DIN 100Cr6Translations
  • 100Cr6Translations
Italian 100Cr6, UNI 100Cr6
  • 100Cr6Translations
  • UNI 100Cr6Translations
Cite this entry
APA

52100. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/52100

MLA

“52100.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/52100. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “52100,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/52100.

Source: 52100 on Wiktionary, CC BY-SA 4.0.