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19 Cards in this Set
- Front
- Back
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What two classes can metals need divided into? |
Ferrous and non ferrous |
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Composed primarily of iron and iron alloys |
Ferrous metals |
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Composed primarily of some element other then iron or small amounts of iron as an impurity? |
Non-ferrous metals |
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Types of Non-ferrous metals? |
Cooper, true brass, bronze, cooper nickel alloy, lead |
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What type of metals are magnetic? |
Ferrous ( iron based ) |
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Ferrous metals are___________and identified with the letter ______ |
Harder, "C" |
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Non-ferrous metals are_________and identified with the letter ______ |
Softer,"B" |
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ASTM? |
American society for testing materials |
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Subjecting glass or metal to a process of heating and slow cooling in order to toughen and reduce brittleness |
Annealing |
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Consisting mainly of austenite, which is non magnetic solid solution of ferric carbide, or carbon in iron used in making corrosive resistant steel |
Austenitic |
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Capable of great deformation without breaking, when subject to compressive stress |
Malleable |
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Consisting of solid solution or iron and up to one percent carbon, the chief constituent of hardened carbon tools steels |
Martensitic |
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Annealing is the ___________ of hardening |
Opposite |
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General name for high alloy steels that retain their hardness at very high temperature and are used for metal cutting tools |
High speed steel |
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The process of hardening the surface of a metal, often alow carbon steel, by infusing elements into the materials surface, forming a thin layer of harder alloy |
Case hardened steel |
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Oxyfuel gas welding? |
OFW |
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Shielded metal arc welding |
SMAW |
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Gas tungsten arc welding |
GTAW or TIG |
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Gas metal arc welding |
GMAW or MIG |
