Also known as: CH., CH-, CH$, CH+
CH stands for various terms. Discover the full forms, meanings, and possible interpretations of CH across different fields and industries.
A term used to denote longitudinal gouges arising from fracture in case-hardened gears. Or The action of adding carbon to the surface of a mild steel object and heat treating to produce a hard surface.
To harden the outer surface of metal to a given case or shell depth, while leaving the inner portion soft to absorb shocks and allow bending.
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