4.89 — Haynes

The reference "Haynes 4.89" most likely refers to the density of Chromium Dioxide ( cap C r cap O sub 2 as recorded in the authoritative CRC Handbook of Chemistry and Physics , edited by William M. Haynes Chromium Dioxide ( cap C r cap O sub 2 ) Properties CRC Handbook , specifically within

Haynes

Researchers like often utilize the Hollingshead Index to ensure that these developmental findings are not skewed by socioeconomic status (SES). By controlling for SES, researchers can more accurately attribute the 4.89-point MDI difference to intrinsic developmental pathways rather than external environmental wealth [25]. haynes 4.89

1. Likely contexts and interpretations

Verdict:

If you need 800°C performance with a density under 5.0, Haynes 4.89 would win. However, if you can tolerate higher density, Inconel 718 or Haynes 188 are cheaper and more available. The reference "Haynes 4

1. Optical Emission Spectrometry (OES): A PMI (Positive Material Identification) gun can tell you the exact percentage of Cr, Ni, Co, Mo, and Al. Compare this against any known data sheet.
2. Check the Heat Number: Haynes International prints heat numbers on every product. Call Haynes Technical Support (in Kokomo, Indiana) and provide the full heat number. They maintain archives of every lot produced since the 1950s.
3. Density Test (Archimedes Method): Weigh the sample in air and then in water. If you calculate exactly 4.89 g/cm³ (±0.02), you have confirmed the physical spec referenced in the keyword.