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Steel is the world's most popular construction material because of its unique combination of durability, workability, and cost. It's an iron alloy that contains between 0.2 and 2 percent carbon by weight.According to the World Steel Association, in 2016 global crude steel production reached a high of 1, 628.5 million tonnes. Of this, approximately three-quarters were produced using BOS plants, while EAF facilities accounted for the remaining quarter.Some of the largest steel producing countries are China, Japan, US, and India. China accounts for roughly 50 percent of this production.The world's largest steel producers include ArcelorMittal, Hebei Steel Group, Baosteel, POSCO and Nippon Steel.

 2017-12-18T12:35:14

Modern steelmaking can be broken down into six steps:1. Ironmaking: In the first step, the raw inputs iron ore, coke, and lime are melted in a blast furnace.The resulting molten iron, also referred to as 'hot metal, ' still contains 4-4.5% carbon and other impurities that make it brittle.2. Primary Steelmaking: There are two primary steelmaking methods: BOS (Basic Oxygen Furnace) and the more modern EAF (Electric Arc Furnace) methods. BOS methods add recycled scrap steel to the molten iron in a converter.

 2017-12-18T13:11:51

Sheet metal is metal formed by an industrial process into thin, flat pieces. Sheet metal is one of the fundamental forms used in metalworking and it can be cut and bent into a variety of shapes. Countless everyday objects are fabricated from sheet metal. Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate.

 2017-12-18T09:14:02

Methods for manufacturing steel have evolved significantly since industrial production began in the late 19th century. Modern methods, however, are still based the same premise as the original Bessemer Process, which uses oxygen to lower the carbon content in iron.Today, steel production makes use of both recycled materials, as well as the traditional raw materials, such as iron ore, coal, and limestone. Two processes; basic oxygen steelmaking (BOS) and electric arc furnaces (EAF) account for virtually all steel production.

 2017-12-18T12:41:01

Hi from siddharth

 2023-02-28T11:37:02

Best jaquar fittings with free installaion and 30 % discount offer with unlimited services with 10 years warantee

 2024-06-05T06:51:52

check update

 2023-04-11T09:09:01

hi from siddharth

 2023-03-31T10:28:33

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