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What is the the advantage of gray and white cast iron over malleable and ductile cast iron?

Gray iron with small amounts of magnesium and cesium which nodulates the graphite, resultinghigh strengthhigh ductilityWhite cast iron heat-treated to improvehigher ductility


Grain structure of gray cast iron?

The grain structure of gray cast iron falls into 4 main classifications, or types. The most desirable of the four is called Type 'A' wherein the carbon is solidified into flake like crystals, in a random distribution. The size is also classified, in sizes ranging from Size 2 to 7. The best grain structure for general service castings is Type 'A', Size 3 to 5. The smaller the size number indicates the longest flake length, and the excessively long flakes in Size 2 will render the iron somewhat weaker, so the most desirable size is a mixture of 3, 4 and 5. Some applications may call for Type 4, but generally the other Types are undesirable and are the result of defective chemistry or a process defect.


What is in steel?

A hard, strong, gray or bluish-gray alloy of iron with carbon and usually other elements, used extensively as a structural and fabricating material.


What is a cast iron trivet used for?

A trivet is an object that can be placed on a table and is used for putting hot dishes on top of to avoid damaging the table. A cast iron model is a heavy duty and long lasting trivet.


What is a long flexible rope called?

A long flexible rope is commonly referred to as a "line" or "cord." In specific contexts, it may also be called a "rope" or "string," depending on its thickness and intended use. For example, a climbing rope is designed for safety and durability, while a fishing line is thinner and more flexible. In nautical terms, various types of ropes are referred to as "lines" when used on boats.