| 单词 | steel |
| 释义 | steelDefinition Iron alloy containing carbon from as low as 0.03 percent (as in ingot steel) to 2.5 percent by weight (as in cast iron), and varying amounts of other elements (mainly chromium, manganese, molybdenum, nickel, and silicon) depending on its end use. Higher amounts of carbon make the steel more fluid and castable, and lower amounts make it purer for specialized purposes such as electrical steel and stainless steel. Carbon steel exits in three main stable crystalline forms: (1) Ferrite (body centered cubic crystal), (2) Austenite (face centered cubic crystal), and (3) Cementite (orthorhombic crystal). See also stainless Steel, ferritic stainless steels, and martensitic stainless steels. Use 'steel' in a SentenceThe steel beam was carefully walked across by the construction man in building our new office as we watched on our lunch break. We could not break into the house because they had steel doors and they were too hard to break down. If you want to build a very tall building make sure to use a lot of steel even at the base so that it is very sturdy. |
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