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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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| Term | Definition |
| 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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