hot- - impa
- hydrostatic extrusion
- hydrostatic lift of iron
- hydrostatic pressing
- hydrostatic tension
- hydrostatic test
- hydrostatic-extrusion machine
- hydrotreat
- hydroxide
- hygroscopicity
- HYL process
- hypercarb process
- hypereutectic
- hypereutectic alloy
- hypereutectic cast iron
- hypereutectoid
- hypereutectoid alloy
- hypereutectoid steel
- hyperfine splitting
- hyperfine structure component
- Hypernick
- hyperoxide
- hyperpearlitic steel
- hyperpressure
- hypersonic
- hypersonic analyzer
- hypocutcctoid alloy
- hypoeutectic
- hypoeutectic alloy
- hypoeutectic cast iron
- hypoeutectoid
- hypoeutectoid alloy
- hypoeutectoid steel
- hypopearlitic steel
- hysteresis angle
- hysteresis losses
- hysteresis magnetic
- hysteresis mechanical
- hysteresis meter
- hysteretic motion of dislocation
- hyzone