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儘管在文藝復興之前很久，人們已經懂得使用各種低效的方法來生產鋼，但是鋼的普及化要等到十七世紀，也就是有了更高效的生產方法之後。自從在十九世紀發明了貝塞麥煉鋼法之後，鋼就成了一種可大量生產的廉價材料。後來煉鋼法經過更多的改進，例如鹼性氧氣煉鋼法，使得鋼的生產價格更低，但同時品質更好。時至今日，鋼已經成為世界上普遍的材質，年生產量達十三億噸。在各種建築、基礎設施、工具、船隻、汽車、機械、電器及武器中，鋼都是一種主要的成份。現代鋼鐵一般用各種標準化團體所制定的不同品質標準來區分。
Standard specification for steel castings, carbon and alloy, with tensile necessities, chemical demands comparable to standard wrought grades
ASTM 1011 is right when some surface area imperfections are not an issue. ASTM 1011 is perfect for forming and welding. Heat treatment can have an effect on the Qualities on the steel.
The Uncooked material for this method were bars of iron. In the course of the seventeenth century, it was realized that the best steel came from oregrounds iron of the location north of Stockholm, Sweden. This was still the standard Uncooked material source inside the 19th century, almost so long as the procedure was made use of.[fifty eight][59]
Steel is really a type of metal although not all metals are steel. Steel’s Qualities vary from All those of other metals. Depending on the quality of steel, it can be A great deal more robust and may corrode or resist corrosion otherwise.
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Our Duplex 2205 Stainless Steel is a nitrogen-enhanced duplex used in programs requiring significant energy and fantastic corrosion resistance.
Malleability is the flexibility of a component for being compressed into thin เหล็กหล่อเครื่องจักร sheets and will allow the steel to be deformed under compression. Steel could be transformed into sheets of variable thicknesses, normally produced by hammering or rolling.
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The pluses and minuses of sizzling-rolled steel occur down to energy versus price. Warm-rolled steel is weaker than cold-rolled, but it’s also more cost-effective since it doesn’t go from the second production system.
Producing industries hire plenty of steel, especially for device parts and tools. Its toughness causes it to be a well known option for hefty-obligation try here applications.
These will often be generally known as the ‘Main’ and ‘secondary’ paths. The former process creates new or ‘virgin’ steel as well as the latter is usually accustomed to recycle the steel scrap.
The greater sizeable difference in the way to utilize it useful link is how distinct your material desires are. Warm-rolled official website steel is great for welding, railroad tracks, And that i-beams due to the fact There is certainly much less issue for smooth finishes and precise shapes.