Mining resources are not infinite," Selby told the conference. SMELTING CAPACITY. Smelters in Indonesia in the past few years have ramped up production of NPI and ferronickel, or products made from nickel ore that are used in making stainless steel.
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Get PriceNickel: smelting; Extraction and purification; Nickel is recovered through extractive metallurgy: it is extracted from its ores by conventional roasting and reduction processes that yield a metal of greater than 75% purity. In many stainless steel applications, 75% pure nickel can be used without further purification, depending on the composition of the impurities.
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Get PriceSep 13, 2019· Indonesia said it expedited the ban to reserve ore for its fastexpanding smelting industries of nickel pig iron (NPI), stainless steel and electric vehicles (EV) battery nickel. The country first placed the nickel ore export ban in 2014, causing a price surge at the time, then relaxed it in 2017 under a quota system.
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