steel piston

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• steel strut — Steel braces or rings which are cast into aluminum pistons. Because steel expands slower than aluminum, the steel struts tend to control or minimize the expansion of the piston …   Dictionary of automotive terms

• Piston ring — A piston ring is an open ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are:# …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• piston expansion — Because pistons are usually made of aluminum and the cylinder walls are made of iron, the piston will expand more rapidly than the cylinder when they get hot. Some type of compensation needs to be made for this expansion or the piston will seize… …   Dictionary of automotive terms

• piston pin — A steel pin that is passed through the piston, it is used as a base upon which to fasten the upper end of the connecting rod. It is round and may be hollow. Also called wrist pin or gudgeon pin. See floating piston pin …   Dictionary of automotive terms

• piston ring, pinned — A steel pin, set into the piston, is placed in the space between the ends of the ring. The ring is thus kept from moving around in the groove …   Dictionary of automotive terms

• Hypereutectic piston — “Hypereutectic” means over eutectic. The word eutectic refers to a condition in chemistry when two elements can be alloyed together on a molecular level, but only up to a specific percentage, at which point any additional secondary element will… …   Wikipedia

• 41xx steel — is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often referred to as chromoly steel or CRMO. They have an excellent …   Wikipedia

• autothermic piston — An aluminum piston in which steel or alloy inserts are cast to control expansion of the piston skirt …   Dictionary of automotive terms

• belted piston — A piston with a continuous steel band cast into the skirt below the rings for controlling skirt expansion …   Dictionary of automotive terms

• pinned piston ring — A steel pin, set into the piston, is placed in the space between the ends of the ring. The ring is thus kept from moving around in the groove …   Dictionary of automotive terms