Iron ore is any rock or mineral from which iron can economically be extracted. It comes in a variety of colors, including dark gray, bright yellow, deep purple, and rusty red. The iron comes in the form of iron oxides such as magnetite, hematite, limonite, goethite, or siderite. Economically viable forms of ore contain between 25% and 60% iron. In the old days of mining, some ores, known as "natural ores," had 66% iron and could be fed into iron-making blast furnaces directly.
The three primary sources of iron ore are banded iron formations, magmatic magnetite ore deposits, and hematite ore. The most metal is extracted from banded iron formations, geological structures laid down mostly between 3 and 1.2 billion years ago. Blue-green algae released oxygen in the days when the atmosphere and oceans were very oxygen-poor, binding together with dissolved iron in the world's oceans. These iron fixation events went through cycles as the algae had alternating blooms and busts, leaving the characteristic bands seen in banded iron formations. This ore is in either the form of magnetite or hematite. Banded iron formations are found on all continents, but especially rich deposits are found in Australia, Brazil, and the United States.
Another prominent source of iron is found as magmatic magnetite iron ore deposits, formed during ancient volcanic eruptions that released large amounts of magnetite which later crystallized. Granite-associated deposits have been found in places like Malaysia and Indonesia and require very little post-processing to extract the iron. Titanomagnetite, a special class of magmatic magnetite ore, also serves as a source of titanium and vanadium, which is extracted via specialized smelters.
A third source is in hematite ore deposits, which are found on all continents, but especially in Australia, Brazil, and Asia. Most hematite originates from banded iron formations that have undergone chemical alteration over billions of years due to hydrothermal fluids. The world's largest producer of iron ore, Vale, located in Brazil, produces it from hematite ore. Vale produces 15% of the entire world's iron supply. In total, worldwide ore production is about one billion metric tons.
Our Zinc Scrap include - Score and Dross. Zinc score consists of clean, dry and unalloyed zinc sheet scrap. Zinc Score is being used for production of zinc sheets also meant for printing industry, for common castable alloys and lead copper-zinc alloys; for hot zinc plating of ready-made products as well as materials; for producing zinc powder used in metallurgical industry and also for production of zinc oxide used in chemico-pharmaceutical industry; for fine chemicals; for acquiring zinc powder used in accumulators.
We offer Zinc Scraps in various forms like Die Cast, Zinc plates, Roofing Zinc, Irony Zinc Boring and Turning, Ingots etc and Selling Zinc Scrap in very reasonable price interested buyers may contact us.
Brass is made from alloying Copper with Zinc. Some alloys are made by adding other elements such as Lead, Tin, Iron, Aluminium, Silicon and Manganese. Most brass alloys have good hot working properties and thus can easily be cast, forged, stamped and extruded. Some brass scrap can also have excellent anti-corrosive properties and find themselves used in high corrosive environments.
Brass Scrap is a cost-effective engineering material ideally suited for the manufacture of machined and stamped items.
We offer Brass Scraps in various forms like Tube, Sheets, Honey, Pipe, Ingots, Turnings etc. and Selling Brass Scrap in very comparative price interested buyers may contact us.
Aluminium and its alloy are used because of their optimum usage, lightness, corrosion resistance and strength. Aluminium alloys weight generally around a third of the weight of the equivalent sized steel component, with much better corrosion resistance. We will offer you most forms.
Shreeya International source various type of Alloys from its associate refineries situated in countries like China , Korea, Russia, Australia, Thailand, Middle East, Africa & Europe region with assured quality & competitive price . Aluminum Alloys like ADC12, ALSI132, LM4, LM24 and AC4B are some of the standard Alloys.
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