It's called special duralumin.2000 serial is Al and Cu alloy.With higher strength and better cutting performance than A2017 alloy.Aluminium alloy 2024 has a very high strength, slightly higher than 2014. High fatigue strength is used to an advantage on structures and parts where good strength to weight ratio are required.It used in Airplane structural piece (casing, framework, rib-beam and bulkhead), rivet, missile component, wheel boss, propeller component and other structural components.
 

Shanghai BRESS aluminum Co.,Ltd  Optional specification of 2024

2024 Alloy(Chemical Composition Limits wt%)

Cu

Si

Fe

Mn

Mg

Zn

Cr

Ti

Pb.Bi

Al

3.8-4.9

0.50

0.50

0.3-0.9

1.2-1.8

0.25

0.10

0.15

/

Remainder

2024-T4,T351(Typical Mechanical & Physical Properties)

Weldable

Machinability

Corrosion Resistance

Electrical Conductivity
20℃(68℉) (%IACS)

Digital Density
(20℃)(g/cm3)

C

B

D

D

2.78

Tensile Strength
(25°C MPa)

Yield Strength
(25°C MPa)

Hardness(HB)
500kgf 10mm ball

Elongation
1.6mm(1/16in)thickness

Shearing Strength max.
MPa

472

325

120

10

285

2024-O(Typical Mechanical & Physical Properties)

Weldable

Machinability

Corrosion Resistance

Electrical Conductivity
20℃(68℉) (%IACS)

Digital Density
(20℃)(g/cm3)

C

B

D

D

2.78

Tensile Strength
(25°C MPa)

Yield Strength
(25°C MPa)

Hardness(HB)
500kgf 10mm ball

Elongation
1.6mm(1/16in)thickness

Shearing Strength max.
MPa

186

76

47

20

124

2024-T3, T3510, T3511(Typical Mechanical & Physical Properties)

Weldable

Machinability

Corrosion Resistance

Electrical Conductivity
20℃(68℉) (%IACS)

Digital Density
(20℃)(g/cm3)

C

B

D

D

2.78

Tensile Strength
(25°C MPa)

Yield Strength
(25°C MPa)

Hardness(HB)
500kgf 10mm ball

Elongation
1.6mm(1/16in)thickness

Shearing Strength max.
MPa

483

345

120

18

283

Explain:

Electrical Conductivity