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As per worldsteel, India's crude steel production in 2018 was at 106.5 million tonnes (MT), 4.9% increase from 101.5 MT in 2017, which means that India overtook Japan as the world's second largest steel production country. Japan produced 104.3 MT in year 2018, decrease of 0.3% compared to year 2017.
Case-hardening or carburization is the process of introducing carbon to the surface of a low-carbon iron, or more commonly a low-carbon steel object, in order to harden the surface. Iron which has a carbon content greater than ~0.02% is known as steel .
In 2005, the company acquired International Steel Group. In 2005, the company acquired Kryvorizhstal. In 2005, the company announced the investment of $9 billion in Jharkhand, India. In 2006, the company merged with Arcelor after much controversy. In 2006, the company announced investment for a 12 million tonne capacity steel plant in Odisha ...
FACOR acquired a small steel plant at Nagpur in Maharashtra. In 1979, FACOR developed the technology to produce charge chrome in their own R&D wing. They have established a charge chrome plant at D.P.Nagar, Randia in Bhadrak district of Odisha in 1983. It is a 100% Export Oriented Project with a production capacity of 50,000 tons per annum.
This method is applied particularly to steels with low case hardenability, such as the seat of the valve. The process applied is initially carburizing to the required case depth (up to 2.5 mm) at around 900-955°C, and then carbonitriding to achieve required carbonitrided case depth.
Frequently, the term "hardening" is associated with tempered steel. Both processes are used hand in hand when hardening steel. The two part process begins with hardening the steel so that it becomes hard and does not wear over time. However, very often, this process leaves the steel very brittle and susceptible to breaking during use.
The report claims the Posco India project will produce an average of Rs. 249 billion per year ($5.44 billion per year) of steel for India's economy, contribute an average of Rs. 49.9 billion per year ($1.1 billion per year) of domestic sales taxes, capital goods taxes, value added taxes (VAT), iron ore duties, and employee income taxes ...
Boronized metal parts are extremely wear resistant and will often last two to five times longer than components treated with conventional heat treatments such as hardening, carburizing, nitriding, nitrocarburizing or induction hardening. Most borided steel surfaces will have iron boride layer hardnesses ranging from 1200-1600 HV.
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