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A simply description on the materials, uses and process in which we use these elements.

oscar cruz

on 16 December 2010

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Transcript of Sheet/Plate

Oscar Cruz Differences on these materials: when thickness is 3 mm and less, it is called a sheet and 3 mm or more it is called a plate. Sheet is used... In packaging, used for cans and closures. In transportation, it provides panels for automobile bodies and for tractor trailer vehicles. Sheet is used in home appliances and cookware. In building and construction, it forms siding and gutters, downspouts and roofing, and awnings and carports. All types of sheet, plate, and coil •Hot Rolled: Rolling of metal bars or sheets when hot

•Pickled and Oiled: P&O is oil coated steel strip after scale removed by chemical treatment that produced during Hot Rolling Process

•Cold Rolled: cooled to a temperature at which the metal is no longer pliable or plastic, is forged or rolled into sheet.

•Coated Products: The process of covering steel with another material (tin, chrome, and zinc), primarily for corrosion resistance.

•Stainless: Any of various steels alloyed with at least 10 percent chromium and sometimes containing other elements and that are resistant to corrosion or rusting associated with exposure to water and moist air.

•Aluminum: A silvery-white, ductile metallic element, the most abundant in the earth's crust but found only in combination, chiefly in bauxite. Having good conductive and thermal properties, it is used to form many hard, light, corrosion-resistant alloys. Atomic number 13; atomic weight 26.98; melting point 660.2°C; boiling point 2,467°C; specific gravity 2.69; valence 3.
Structurals •Flats
•Wire Mesh
•Tubing and Pipe

Tips & Warnings when welding plates/sheets
•Use higher welding current for aluminum sheets. You may have to turn the voltage down near the end of your project, as heat/electrical resistance changes..

•If your sheet metal warps, increase the distance between each spot where you welded. Secure the ends and the middle of the sheet metal with a few spot welds to hold the parts in position..

•Keep the work area clean of fire hazards and flammables. Wear protective gloves, goggles or welding helmet and a protective apron.. 3 Types Of Bending sheet metal Air bending Coining Bottom Bending Air Bending Coining A bending operation performed by compressing the sheet metal between a matching V-shaped punch and die Bottom Bending In this process the die angle should match the intended angle of the work piece, adjusting a few degrees for spring back, hence the existence of 88 degree tooling to achieve 90 degree angles Metal Gauge Conversion Chart

Gauge # Mild Steel Stainless Steel Aluminum
24 Gauge 0.024 0.025 0.020
22 Gauge 0.030 0.031 0.025
20 Gauge 0.036 0.038 0.032
18 Gauge 0.048 0.050 0.040
16 Gauge 0.060 0.063 0.051
14 Gauge 0.075 0.075 0.064
12 Gauge 0.105 0.109 --
10 Gauge 0.135 0.141 -- Matthew Matheis Ricky Lewis Aaron Alford David Patchell COSTS:
99% of the metal is sold by being priced by the pound.

For a standard 4”8”, stock size will be .50 cents for sheet metal and .65 cents for metal plates.

aluminum A forming method in which the press brake tooling touches the workpiece tooling at three different points: at the tip of the V-shaped section of the upper die and at the top of each corner of the lower die.
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