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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Commercial Grade Alloy Steel

MasterSource stocks commercial grade alloy steel in strip, coil, sheet, plate, round, square and flat bars and tubing, in a variety of sizes and grades.

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Alloy Steel (Commercial Quality)

  • ETD 150® CF
  • 4140 CF Annealed
  • 4140 CF QT SR
  • 41L40 CF Annealed+
  • 4140 HR Annealed
  • 4140 HR Q&T
  • 4140 Q&T TG&P
  • 4140 HT DCF
  • 4140 Annealed DCF
  • 4140 HR HT
  • 4150 HR Annealed
  • 4150 HR Q&T
  • 4150 Dy-Bar
  • 4320 HR & CD
  • 4340 HR Annealed
  • 4340 HR Q&T
  • 52100 HR & CD SPH ANNEALED
  • 6150 HRA
  • 6150 DCF Annealed
  • 8620 CF
  • 86L20 CF
  • 8620 HR
  • GRADE B16 (ASTM A193)


Plate, Sheet, Coil and Strip, Round, Hex, Square and Flat Bar, Tubing and Wire.

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

e.t.d. 150® is a Registered Trademark of LaSalle Steel Co.


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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.