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Rockwell scale

Rockwell hardness scale based on indentation hardness of a material with a 120° diamond spheroconical under 150 kgf
Thing measure Q502723
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Rockwell scale

Summary

Rockwell scale is a measure[1]. It draws 266 Wikipedia views per month (measure category, ranking #4 of 35).[2]

Key Facts

  • Rockwell scale's instance of is recorded as measure[3].
  • Rockwell scale's GND ID is recorded as 4178271-9[4].
  • Rockwell scale's Library of Congress authority ID is recorded as sh85114783[5].
  • Rockwell scale's subclass of is recorded as ordinal scale[6].
  • Rockwell scale's Commons category is recorded as Rockwell hardness test[7].
  • Rockwell scale's ISO standard is recorded as ISO 6508[8].
  • Rockwell scale's ISO standard is recorded as ISO 2039[9].
  • Rockwell scale's ISO standard is recorded as ASTM E18[10].
  • Rockwell scale's Freebase ID is recorded as /m/01j8b1[11].
  • Rockwell scale's FAST ID is recorded as 1099506[12].
  • Rockwell scale's Quora topic ID is recorded as Rockwell-Scale[13].
  • Rockwell scale's Microsoft Academic ID is recorded as 96606946[14].
  • Rockwell scale's National Library of Israel J9U ID is recorded as 987007543783305171[15].
  • Rockwell scale's MetaSat ID is recorded as rockwellHardness[16].
  • Rockwell scale's OpenAlex ID is recorded as C96606946[17].
  • Rockwell scale's Encyclopedia of China is recorded as 74631[18].
  • Rockwell scale's Yale LUX ID is recorded as concept/454a35d5-9ddb-4886-a4b4-137e96ed2b84[19].

Why It Matters

Rockwell scale draws 266 Wikipedia views per month (measure category, ranking #4 of 35).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[20] It is known by 37 alternative names across languages and contexts.[21]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Freebase Data Dumps. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . Quora. wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . National Library of Israel. wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata sitelinks. wikidata.org.
  3. [21] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Rockwell scale. Retrieved May 3, 2026, from https://4ort.xyz/entity/rockwell-scale
MLA “Rockwell scale.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rockwell-scale.
BibTeX @misc{4ortxyz_rockwell-scale_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Rockwell scale}}, year = {2026}, url = {https://4ort.xyz/entity/rockwell-scale}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Rockwell scale — https://4ort.xyz/entity/rockwell-scale (retrieved 2026-05-03)

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