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Metals
Of or pertaining to any element, compound or alloy that conducts both heat and electricity.
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Metals > Steel
nickel-based superalloys
Metals; Steel
Nickel-based alloys developed for very high temperature service where relatively high stresses are encountered and where high surface stability is frequently required. Typical ...
No. 1 heavy melt
Metals; Steel
Obsolete steel scrap grade, at least one-quarter inch in thickness and in sections no larger than five feet by two feet. Much of the metal comes from demolished buildings, truck ...
oil country tubular goods (OCTG)
Metals; Steel
Label applied to the pipe products used by petroleum exploration customers. OCTG includes casing, drill pipe, and oil well tubing, which, depending on their use, may be formed ...
opeb expense
Metals; Steel
Other Postretirement Employment Benefits: Usually refers to health care obligations to a mill’s retired workers, although its meaning also can include layoff benefits (see FAS ...
open hearth furnace
Metals; Steel
A broad, shallow hearth to refine pig iron and scrap into steel. Heat is supplied from a large, luminous flame over the surface, and the refining takes seven to nine hours. Open ...
operating rates
Metals; Steel
The ratio of raw steel production to the mill’s stated capacity. Each December, steel companies report to the AISI their estimated capacity (if they could sell all steel they ...
Sub-categories
- Aluminum (17950)
- Bronze (33)
- Copper (74)
- Gold (590)
- Heat treatment (45)
- Iron (290)
- Metallurgy (10306)
- Metalworking (124)
- Silver (2815)
- Steel (9564)