2024

EN AW / AlCu4Mg1 / 2024 / T851

Chemical Properties % Value
Silicon (Si)0,00 - 0,5
Chromium (Cr)0,00 - 0,10
Manganese (Mn)0,30 - 0,9
Magnesium (Mg)1,20 - 1,80
Copper (Cu)3,80 - 4,90
Titanium (Ti)0,00 - 0,15
Iron (Fe)0,00 - 0,5
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Physical Properties Value
Density2.77 g/cm³
Melting Point502 °C
Thermal Expansion22.8 x 10^-6 /K
Modulus of Elasticity73 GPa
Thermal Conductivity190 W/m.K
Electrical Resistivity%51 IACS
Mechanical Properties Value
Proof Strength450 MPa
Yield Strength520 MPa
Elongation A50 mm%6
Modulus of Elasticity73 GPa

A medium to high strength alloy with, dependent upon temper, minimum Proof Stress up to 57 ksi / 390 Mpa and minimum Tensile Strength up to 66 ksi / 455 MPa

 

ALLOY DESIGNATIONS

Aluminium alloy EN AW 2024 has similarities to the following standard designations and specifications:

Alloy 20124 UNS A92024, ASTM B209

DIN AlCu4Mg1, 3.1355

 

TEMPER TYPES

2024 is supplied in a wide range of tempers:
T351 is intended to provide material with low residual stresses and thus minimal distortion during machining, but does not provide optimal corrosion resistance.

  • O - Soft
  • T3 - Solution heat treated, cold worked and naturally aged
  • T42 - Solution heat treated and naturaly aged to a substantially stable condition
  • T81 - Solution heat treated, cold worked then artificially aged
  • T351 - Solution heat treated then stress relieved by stretching. Equivalent to T4 condition.
  • T4 - Solution heat treated and naturaly aged to a substantially stable condition
  • T62 - Solution heat treated then artificially aged by the user
  • T851 - Solution heat treated then stress relieved by stretching then artificially aged.
  • T361 - Solution heat treated then stress relieved by stretching.
  • T72 - Solution heat treated then specially artificially aged for resistance to stress corrosion
  • T861

 

SUPPLIED FORMS

Alloy AMS 4037  is supplied in plate and sheet

  • Plate
  • Sheet
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 6,35 up to & incl. 12,7 400 MPa 460 MPa %5
Over 12,7 up to & incl. 25,7 400 MPa 455 MPa %5
Over 25,43 up to & incl. 38,07 395 MPa 455 MPa %5