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Minerales, metales & materiales
Pipes made of steel material.
An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.
A generally hard, strong, durable, malleable alloy of iron and carbon, usually containing between 0.2 and 1.5 percent carbon, often with other constituents such as manganese, chromium, nickel, molybdenum, copper, tungsten, cobalt, or silicon, depending on the desired alloy properties, and widely used as a structural material.
A substance, such as stone, sand, salt, or coal, that is extracted or obtained from the ground or water and used in economic activities.
A mineral, Al2Si2O5(OH)4, that is the principal constituent of kaolin.
An alloy of iron and manganese used in the production of carbon steel.
An alloy of iron and silicon used in the production of carbon steel.
Strips that made of hot rolled steel.
A white or colorless crystalline compound, SiO2, occurring abundantly as quartz, sand, flint, agate, and many other minerals and used to manufacture a wide variety of materials, especially glass and concrete.
A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.
A clear vitreous solid, formed by melting pure quartz, that can withstand high temperatures and is extremely transparent to infrared, visible, and ultraviolet radiations.
A black, porous, carbonaceous material, 85 to 98 percent carbon, produced by the destructive distillation of wood and used as a fuel, filter, and absorbent for an Eastern smoking pipe designed with a long tube passing through an urn of water that cools the smoke as it is drawn through.
A mineral, essentially CaF2, that is often fluorescent in ultraviolet light and occurs in light green, blue, yellow, brown, and colorless forms. Also called fluor, fluorspar.
A bluish-black crystalline compound, SiC, one of the hardest known substances, used as an abrasive and heat-refractory material and in single crystals as semiconductors, especially in high-temperature applications.
A fine-grained white, greenish, or gray mineral, Mg3Si4O10(OH)2, having a soft soapy feel and used in talcum and face powder, as a paper coating, and as a filler for paint and plastics.
A relatively long, straight, rigid piece of round steel used as a fastener, support, barrier, or structural or mechanical member.
A mass of magnesium, such as a bar or block, that is cast in a standard shape for convenient storage or shipment.
A kind of tubes that made of quartz.
A bluish-black crystalline compound, SiC, one of the hardest known substances, used as an abrasive and heat-refractory material and in single crystals as semiconductors, especially in high-temperature applications.
A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.
Finely divided particles of a metal.
A flat piece of mica.
A kind of metal alloyed with silicon.
A kind of magnet.
A specialized type of rolling stock designed for the transport of coils of sheet metal, particularly steel.
An elongated, threadlike structure that is made of steel.
A broad, thin, usually rectangular mass or piece of mica.
A short, thick piece of aluminum.
The products that are made of copper.
A long narrow piece, usually of uniform width that is made of hot dipped galvanized steel.
Ceramic fiber tape is used as heat insulating materials and an excellent substitute for asbestos tape.
Ceramic fiber tape is used as heat insulating materials and an excellent substitute for asbestos tape.
A small-dimension filament or thread composed of a ceramic material, usually alumina and silica, used in lightweight units for electrical, thermal, and sound insulation, filtration at high temperatures, packing, and reinforcing other ceramic materials.
A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.
A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.
A kind of yarn that is made of small-dimension filament or thread composed of a ceramic material, usually alumina and silica, used in lightweight units for electrical, thermal, and sound insulation, filtration at high temperatures, packing, and reinforcing other ceramic materials.
BN A binary compound of boron and nitrogen, especially a white, fluffy powder with high chemical and thermal stability and high electrical resistance.
A compound of boron and carbon, especially B4C, an extremely hard, black crystalline compound or solid solution. It is used as an abrasive, in control rods for nuclear reactors, and as a reinforcing filament in composite structural materials.
A smooth, flat, relatively thin, rigid body of uniform thickness that is made of hot rolled steel.
A thin straight piece or bar of brass.
A relatively long, straight, rigid piece of deformed steel used as a fastener, support, barrier, or structural or mechanical member.
