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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。

There are lots of differing kinds of steel, Each individual outlined by the type and quantities of alloying features. These are generally shown below:

Standard specification for welded and seamless carbon steel and austenitic stainless steel pipe nipples

Cold-rolled steel is chosen For additional exact programs which include automotive parts, home appliances, and metal furniture. It’s also utilized for parts that require a fantastic surface area complete and tight tolerances.

An oxidization course of action is employed to eliminate extra carbon and likewise to vaporize or bind impurities manufactured from elements like silicon, phosphorus, and manganese.

Weldability: Most grades of steel are conveniently weldable, While some need specialised welding strategies.

A lot of people think that steel is simply a set combination of iron and carbon. But there are in actual fact find here around three,500 various grades of steel! You may ascertain the grade of steel by examining the quantity of carbon in it, one other alloying things it incorporates and also the way it’s look at this website processed.

It wasn’t till about 1912-1914 that stainless steel was initial produced with the addition of chromium and nickel. These best website materials had been steadily made and refined from the close of Earth War Two.

The chemical Homes of steel vary depending upon the alloy. Desk three under lists a few chemical Attributes of steel:

Standard specification for spill valves to be used in maritime tank liquid overpressure protections programs

Standard specification for electrical insulation displays for checking ground resistance site in Energetic electrical systems [metric]

The characteristics of carbon steel are generally affected because of the carbon written content in steel and alloying factors cause only negligible variations.

This process can be carried out various times to attain the desired thickness or shape. Cold rolled steels are usually reduced carbon steels which were even more processed to make larger power and harder surfaces. Between the most from this source typical cold-rolled steel grades are SPCC, SPCD, and SPCE.