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Glossary | |
| A glossary of terms relating to alloys, their properties, and the processes used in metallurgy.
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All Terms in Glossary | A | B | C | D | E | F | G | H | I | K | L | M | N | O | P | Q | R | S | T | U | W | Y
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| All Terms in Glossary | |
| Pages: 1 2 3 4 5 6 7 8 9 10 | |
| Term | Definition |
| Off Gauge | Deviation of thickness or diameter of a solid product, or wall thickness of a tubular product, from the standardpr specified dimensional tolerances. |
| Oil Can | A buckle that can be snapped from one position to another. Also referred to as snap buckle. |
| Oil Stain | Discoloration produced during thermal treatment due to incomplete oxidation of lubricants on the surface. The color may vary from dark brown to white. |
| Orange Peel | Surface roughening on formed products resulting from the use of coarse grained material. |
| Ovalness | Deviation from a circular periphery, usually expressed as the total difference found at any one cross section between the individual maximum and minimum diameters which usually occur at or about 90 degrees to each other. Ovalness is not expressed as plus or minus. |
| Oxide Discoloration | Discoloration of the metal surface due to oxidation during thermal treatment. |
| Pack Marks | Small densely distributed abrasions on the surface of sheet or foil resulting from rolling in packs of two or more. |
| Partial Annealing | Thermal treatment given cold worked metal to reduce the strength to a controlled level. |
| Passivation | Passivation is the process of making a material "passive" in relation to another material prior to using the materials together. For more information on Passivation see our Encyclopedia Page on this topic.
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| Patterned or Embossed Sheet | Sheet on which a pattern has been impressed on one or both sides. |
| Physical Properties | The properties, other than mechanical properties, that pertain to the physics of a material; for example, density, electrical conductivity, thermal expansion. |
| Pickup | Small particles of oxide adhering to the surface of a product. |
| Pinch Marks | Pressed-in folds generally running parallel to the direction of rolling. |
| Pipe | Tube in standardized combinations of outside diameter and wall thickness commonly designated by "Nominal Pipe Sizes" and "ANS Schedule Numbers". |
| Pipe, Seamless | Pipe produced from hollow extrusion ingot. |
| Pipe, Structural | Extruded pipe, which may contain an extrusion seam, suitable for application not involving internal pressure. |
| Pit | A sharp depression in the surface. |
| Plate | A rolled rectangular section of thickness 0.250 inch or more, with either sheared or sawed edges. Alclad plate: Composite plate consisting of an aluminum alloy core having on both surfaces (if on one surface only, Alclad One Side Plate) a metallurgically bonded aluminum or aluminum alloy coating that is anodic to the core, thus electrolytically protecting the core against corrosion.
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| Polishing | A mechanical finishing operation for the purpose of producing a gloss or luster on the surface of a product. |
| Preheating | A high temperature soaking treatment to provide a desired metallurgical structure. Homogenizing is a form of preheating. |
All Terms in Glossary | A | B | C | D | E | F | G | H | I | K | L | M | N | O | P | Q | R | S | T | U | W | Y
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| Glossary V2.0 | |
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