Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics, Alro Industrial Supply and Alro Metals Outlet.
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Aluminum Cast Tool and Jig Plate

Aluminum Cast Tool and Jig Plate
Chemical Composition

5000 Series Cast Tool and Jig Plate

  • Si - max 0.40
  • Fe – max 0.40
  • Cu – max 0.10
  • Mn - 1
  • Mg – 4.90
  • Cr - 0.05 – 0.25
  • Zn - max 0.25
  • Ti + Zr 0.15

7000 Series Cast Tool and Jig Plate

This is a proprietary composition. Please contact Alro Sales for assistance if you need more information.
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Cast Tool and Jig

Aluminum Cast Tool and Jig Plate

About Aluminum Cast Tool and Jig Plates

Cast Tool and Jig Plate are commonly known by their trade names: Alca 5, ATP-5, MIC6, and K-100S.  Of these brands, Alro stocks the Alca 5, ATP-5 and MIC6. Each of these are produced from a very fine-grain aluminum alloy which is free from internal stresses. These plates are known for being internally stable, which assures minimum movement during machining. Tool and Jig plate is a machined product, with flat surfaces and a surface finish equal to 32 micro-inches or better on both sides (top and bottom). It is readily machined with very little distortion. Using proper aluminum machining methods, tolerances in the thousandths can be maintained. Sometimes referred to as CT&J Plate, these products are machine finished top and bottom to very tight tolerances and are the optimum choice when an application requires tight dimension control and flatness. Because they are aluminum, these plates are approximately one-third as heavy as steel plate, which usually eliminates the need for heavy handling equipment for installation or set up, and reduces the load on ways and screws. It is highly resistant to corrosion so it requires no protective treatment. After the tool is obsolete, Aluminum Tool and Jig plate has a higher salvage value than Steel Tool and Jig Plates. Cast Aluminum Tool and Jig Plate is used where minimal machining distortion along with flatness is required, but strength is not a requirement. This material is non-heat treatable. Cast Aluminum Tool and Jig Plate has electrical conductivity of 36% of copper.

Alro Stocks the Following Aluminum Cast Tool and Jig Plates:
Alca 5 - 5000 series cast
ATP-5 - 5000 series cast
MIC6 - 7000 series cast
 



Properties

5000 Series Cast Tool and Jig Plate

  • Tensile Strength (PSI) 41,000
  • Yield Strength (PSI) 18,000
  • Elongation in 2" 16%
  • Brinell Hardness 70 HB


7000 Series Cast Tool and Jig Plate

  • Tensile Strength (PSI) 24,000 – 32,000
  • Yield Strength (PSI) 15,000 – 20,000
  • Elongation in 2" 3
  • Brinell Hardness 60 HB
Typical Uses
Both the 5000 series and 7000 series plates are used for applications including the following:
  • Assembly jigs and fixtures
  • Welding fixtures
  • Hydro press form blocks
  • Drill jigs
  • Templates
  • Vacuum chucks
  • Index tables
  • Printing machinery components
  • Automotive tooling
  • Aircraft components
  • Electronic components
  • Vacuum chambers
  • Rubber and plastic molds
  • Prototypes
  • Medical instrumentation
  • Foundry patterns
  • Food machinery components
  • Packing machinery
  • CNC routing tables
  • Circuit printers
  • Aluminum non-strength applications where stability and flatness is required.