Tenaris Siderca, Campana, Buenos Aires, Argentina
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Iron is made by direct reduction of iron ore and natural gas. Scrap metal is also a part of the process.
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Iron is made by direct reduction of iron ore and natural gas. Scrap metal is also a part of the process.
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Schematic of the electric arc furnace.
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Ladle being lined with ceramic.
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The steel production plant. Electric arc furnace in the background.
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The devices for pouring molten iron into the continuous casters.
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The device for pouring molten iron into the continuous casters.
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Ladles being preheated in a horizontal position. The preheating is needed to reduce the thermal shock when molten iron is poured in.
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Hot ladle, ready to receive molten iron.
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Hot ladle, ready to receive molten iron.
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The red hot components are special ceramic tubes for pouring molten iron from the ladle into the continuous casters below.
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The red hot components are special ceramic tubes for pouring molten iron from the ladle into the continuous casters below.
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Semi-solid continuously cast billets emerging from vibrating copper (water cooled) moulds in the caster.
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Semi-solid continuously cast billets emerging from the caster.
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Semi-solid continuously cast billets emerging from vibrating copper (water cooled) moulds in the caster.
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Continuously cast billets.
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Continuously cast billets emerging from the caster on the left, out of view.
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Carbon electrodes in the arc furnace.
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Mandrel piercing mill for making pipes from red-hot solid ingots.
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Mandrel piercing mill for making pipes from red-hot solid ingots.
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Pipe emerging.
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Pipe emerging.
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The mandrels.
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The finished pipes, which are then cut into practial lengths after non-destructive inspection.
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Stocks of pipes.
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Pipes are austenitised, and quenched using a quenching unit which sprays water, or by dropping into this quench tank.
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Pipe emerging from the quenching unit.
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Pipe emerging from the quenching unit.
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A peek into the austenitisation furnace.
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Coming out of the furnace.
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Pipe-straightening rolls.
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Pipe-straightening rolls with a pipe going through.
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Pipe-straightening rolls with a pipe going through.
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Stocks of steel pipes.
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The team.
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The original pilger mill at the Tenaris plant.
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The original pilger mill at the Tenaris plant.
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The threaded end produced on some of the pipes. The quenched and tempered pipes are frequently joined mechanically.
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Corrosion testing device in which a tensile specimen is statically loaded, immersed in a solution such as salt water, and hydrogen sulphide bubbled through. The blue ring is the load appliation mechanism.
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A different experiment to measure corrosion due to sulphide.
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