Hardening

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Related to casehardening: Nitriding, Case hardening compound

Hardening

1. The process by which a sudden change to the price of a commodity or futures contract slow and gradually corrects itself, bringing the price into alignment with fundamentals. See also: Reversion to the Mean.

2. A slow but steady rise in price for a futures market or contract.
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He's the first, and as far as I know, the only gunsmith who can take a piece of sterile looking stainless steel and give it a finish to match the wonderful colors of traditional color casehardening. You know the colors I'm talking about, they're alive, putting life into the piece of steel.
Surface roughness for end milling: a semi-free cutting carbon casehardening steel (EN32) in dry condition, Journal of Material Processing Technology, 124: 183-191.
The wonderful engraving is by Ken Hurst, the sights by Tom Axtell and the flawless rust blue and color casehardening by Classic Guns.
The difference in drying rate may induce a different distribution of drying stresses and sets (casehardening) remaining in the cross section of the wood between the two drying methods.
True casehardening produces a thin "skin" of wear resistant, glass-hard steel over a tough, shock-resistant core.