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AMS 4120 | Aluminum Alloy, Rolled or Cold Finished, Bars, Rods, & Wire | Solution Heat Treated and Naturally Aged (T4), Solution Heat Treated, Cold Worked, and Naturally Aged (T351)

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What AMS 4120 covers

AMS 4120 is the aerospace material specification for aluminum alloy, rolled or cold finished, bars, rods, & wire.

AMS 4120 applies to aluminum alloy 2024-T4/2024-T351, as aluminum alloy, rolled or cold finished, bars, rods, & wire, in the solution heat treated and naturally aged (T4), solution heat treated, cold worked, and naturally aged (T351) condition.

Specifications that cross-reference AMS 4120 include AMS 4339, AMS-QQ-A-225/6A and ASTM B211.

For AMS 4120 material, request a quote online or contact your nearest Titanium Industries location. The information on this page is for reference only and does not replace the specification itself.

Wire, one of the product forms Titanium Industries stocks to AMS 4120

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AMS 4120

Aluminum Alloy: 2024-T4/2024-T351 Product Forms: Aluminum Alloy, Rolled or Cold Finished, Bars, Rods, & Wire Condition: Solution Heat Treated and Naturally Aged (T4), Solution Heat Treated, Cold Worked, and Naturally Aged (T351) Scope: Specifies two tempers of aluminum alloy in the form of bars, rods, and wire up to 8.000 inches (203.2 mm) in nominal thickness.

Product availability: Aluminum Alloy 2024-T4/2024-T351 round bar DISCLAIMER: The use of this information should be considered strictly voluntary. Information contained in this page or across the domain, may contain typographical errors and are for reference only. Information presented are purely generalizations and are not a substitution for AMS specifications.

DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.

AMS 4120 Specification — Table 1
Chemical Composition
Al 93% Cu 4.4% Si 0.5% Mn 0.6% Fe 0.5 % Max
Mg 1.5% Zn 0.2% Max Ti 0.2% Max Cr 0.1% Max Other 0.1%
AMS 4120 Specification — Table 2
Mechanical Properties
Tensile Strength: 21 - 70 ksi Yield Strength: 14 - 41 ksi Elongation: 20%

Tensile properties and associated requirements vary due to orientation, section thickness, and engineering requirements.

Aluminum Alloy 2024 Applications:

  • Aerospace - Wing and Fuselage
  • Aircraft Fittings
  • Gears and Shafts
  • Bolts and Fasteners
  • Orthopedic Equipment

Cross Reference Specifications

AMS 4120: questions and answers

What does AMS 4120 cover?

Specifies two tempers of aluminum alloy in the form of bars, rods, and wire up to 8.000 inches (203.2 mm) in nominal thickness.

Which specifications cross-reference AMS 4120?

AMS 4339, AMS-QQ-A-225/6A and ASTM B211.

What is Aluminum Alloy 2024 used for?

Specifications on this page

Alloys and products for AMS 4120