Any steel used as a tool may be technically classified as a tool steel. However, the term "tool steel" is usually restricted to high-quality specialty steels used for cutting or forming purposes. True False
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Any steel used as a tool may be technically classified as a tool steel. However, the term "tool steel" is usually restricted to high-quality specialty steels used for cutting or forming purposes.
True
False
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Both Ferritic and Martensitic stainless steels belong to the AISI 400 series. Ferritic stainless steels are heat-treatable grades and martensitic stainless steels can only be strain hardened to improve their
mechanical properties.True
False
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The RIM (Reaction Injection Molding) process does not require the plastic materials to be heated before molding.
True
False
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An aluminum alloy designated as 3003-H16 aluminum means the following: 3XXX aluminum-manganese alloy, which has not been modified, specific alloy 03 in the alloy series, strain hardened only, with a 3/4 hard temper.
True
False
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Titanium is extensively used for jet engine components (rotors, fins, and compressor parts) and other aerospace parts because it is as strong as aluminum and 45 percent lighter.
True
False
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Many composites require two processes before they are able to meet a material need – the first one to create the composite itself and the second to shape and/or fit the composite material to the final application. In other cases a composite may be prepared and shaped to meet final requirements in one step.
True
False
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The alloy steel AISI 12L17 is a free-machining steel alloy where the elements sulfur, phosphorus, and lead are added to the steel to improve its machinability.
True
False
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For tool steels, AISI O1 is an oil-hardening tool steel, AISI S1 is a shock-resistant tool steel, AISI M2 is a molybdenum based high speed tool steel, and AISI A2 is an air hardening tool steel.
True
False
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