Specialty Metals

Specialist In Locating Hard To Find Metals

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Plates, Sheets & Coils

Aluminum, Armor Plate, Copper, Brass, Military Plates, Stainless Steel, Steel, Titanium....

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Round, Hex, Flat, & Square Bar

Aluminum, Brass, Bronze, Copper, Sintered Bronze, Stainless Steel, Steel, Titanium....

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Foil, Ribbon & Strip

Aluminum, Copper, Brass, Stainless Steel, Steel, Titanium....

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Round, Flat. Square, All Shapes of Wire; Aluminum, Brass, Bronze, Copper, Stainless Steel, Steel & Titanium Wire....

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                     The Strongest Name In Specialty Metals

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Aircraft Quality 4130 ANNEALED

MasterSource offers a complete line of AQ 4130 Annealed inventory as noted below.

Alloy Specifications
AQ E4130 ANN
AISI E4130 Aircraft Quality
Plate & Sheet
AMS 6350
AMS 6351
ASTM-A505 (Chemistry only)
ASTM-A506 (Chemistry only)


Plate and sheet.

Size Range:
Thickness: 0.025" thru 4"
Width: 18", 36" and 72"
Length: 72" and 144"

Compliance: Metals distributed by and thru MasterSource Company Inc. are in compliance with Section 1502 of the Dodd-Frank Act pertaining to conflict minerals.


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Supplying aviation grade metals to the DoD and Aerospace industry.
Aerospace, Defense, Marine, Nuclear and Industrial Metals.
Exotic Metals & Hard to Find Metals.