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Toughness is the property that enables a material to withstand shock and to be deformed without rupturing. Brittleness - A brittle metal is one that breaks or shatters before it deforms. Ductility - Ductility is the property that enables a material to stretch, bend, or twist without cracking or breaking. Malleability - A malleable material is one that can be stamped, hammered, forged, pressed, or rolled into thin sheets. Corrosion Resistance is the property of a metal that gives it the ability to withstand attacks from atmospheric, chemical, or electrochemical conditions. Corrosion, sometimes called oxidation, is illustrated by the rusting of iron. Source: Fundamentals of Professional Welding Steel vs Aluminum
the higher numbers are for Steel Alloy 4140 - Oil-quenched and tempered (@315 °C) 2. Million Pascals: MPa = N/sq mm; 100 MPa = 14,500 psi; psi = pounds per square inch Ksi = 1,000 psi 3. The addition of alloying elements like manganese, silicon, copper and magnesium can increase the strength properties of aluminum and produce an alloy with properties tailored to particular applications.
4. Tensile Strength is also referred to as Ultimate Tensile Strength (UTS) and Ultimate Strength
Source: Properties of Metals:
Source: Titanium - Comparison of Properties with Other Metals Stainless Steel: Stainless steel, also known as inox, corrosion-resistant steel (CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains at least 10.5% chromium and usually nickel, as well as 0.2 to 2.11% carbon. Stainless steel's resistance to corrosion results from the chromium, which forms a passive film that can protect the material and self-heal in the presence of oxygen. There are five basic families of "stainless steel": austenitic, ferritic, martensitic, duplex, and precipitation hardened. Some containing chromium among other constituents, such as nickel and molybdenum, are more corrosion-resistant than others, forming an impervious and protective molecular-scale surface barrier of chromium oxide.
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