how do you tell the difference between stainless steel and aluminum?
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The Key Test To do the test, simply press the key down and drag it along a flat surface on a given piece of unidentified metal that may be aluminum or stainless steel. If the piece is aluminum, it will scratch fairly deeply without much pressure, because aluminum is much softer than stainless steel.
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Physical Properties: Aluminum is a shiny, silvery white colored metal that is light in weight and strong. Th density of aluminum is 2.7 g/mL, which means the metal will sink in water, but is still relatively light.
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The stainless steels, including 304 and 316, are more positive than zinc and steel, so when stainless steel is in contact with galvanised steel and is wet, the zinc will corrode first, followed by the steel, while the stainless steel will be protected by this galvanic activity and will not corrode.
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Key points: Stainless steels are defined as low-carbon steels with at least 10% chromium with or without other alloying elements. | AISI 4130 alloy steel has properties better than or similar to aircraft-grade stainless steels. | Alloy steels are less expensive and more-easily machined than standard stainless grades.
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Even with the possibility of corrosion, steel is harder than aluminum. ... Steel is strong and less likely to warp, deform or bend underweight, force or heat. Nevertheless, the strength of steel's tradeoff is that steel is much heavier/much denser than aluminum. Steel is typically 2.5 times denser than aluminum.
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Due to this difference, ferritic stainless steels are generally magnetic while austenitic stainless steels usually are not. A ferritic stainless steel owes its magnetism to two factors: its high concentration of iron and its fundamental structure.
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Better Materials/Construction One of the most obvious differences is going to be the all aluminum construction, where the factory radiators are usually a mix of aluminum and plastic. ... With most aluminum radiators, you will get wider, more efficiently shaped tubes that help cool coolant faster.
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18 gauge vs 20 gauge stainless steel sinks 18 gauge features 0.05-inch thickness and 20 gauge features 0.0375- inch. 18 gauge stainless steel is thicker than that of 20 gauge. So, 18 gauge sinks are more durable than 20 gauge. 18 gauge sinks come with somewhat higher price tag than that of 20 gauge sinks.
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The key difference between All-Clad D3 and D5 is that D3 has 3 bonded layers (steel, aluminum, steel), and D5 has 5 (steel, aluminum, steel, aluminum, steel). D3 heats faster and is more responsive, while D5 heats more evenly and is more forgiving.
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Both the metals '“ Iron and Aluminiumcome with different molecular mass, atomic weight and atomic numbers. They also come up with difference in the chemical and physical properties. One of the first differences that one can come across between the two metals is that iron is heavier than Aluminium.
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What is lighter: alloy or aluminum? To answer the question as written: Aluminum is lighter than some alloys, but heavier than others, yet exactly the same as a small select few. Alloy, unlike aluminum, refer to a very broad range of chemical mixtures, while aluminum, refers to a single specific chemical element.
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It also can discolor your food. Anodized aluminum is still very conductive, but the surface is much harder than regular aluminum. It is much more durable than, say, a nonstick pan. ... Hand-washing only for both, though the anodized aluminum can withstand more vigorous washing than a nonstick coated pan.
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Mild steel contains carbon as the alloy, whereas stainless steel includes chromium. The changes brought about by chromium to the internal structure of the steel result in properties which gives stainless steel its name: very high corrosion resistance and a surface which does not stain or tarnish.
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Zinc is cheaper than chromium, and therefore, in general, zinc alloys are relatively less expensive than compared to stainless steel. Though more expensive, stainless steel is a strong, tough material noted for its corrosion resistance. Though some Zinc alloys can be very strong, overall stainless steel is stronger.
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Copper wire is heavier, and aluminum is lighter and silver grey. The other main difference between copper and aluminum wires is the resistance of the material. ... Copper not only has a higher conductivity than aluminum, but is more ductile, with relatively high tensile strength, and can be soldered.
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As the series suggests, steel and aluminum are relatively compatible, but if brass and steel contact, the steel will corrode because it is more anodic than the brass. ... The aluminum will also corrode where its exposed surface contacts the brass plate because brass is more cathodic.
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Physical Properties of Aluminum Aluminum is silvery-white in color. It melts at 1220.576 Fahrenheit and boils at 4472.33. Aluminum has an atomic weight of 26.98154, and an atomic radius of 143.1 pm. It is one of the most ductile and malleable metals.