Chinalcometal

4032 T1 AMS 4318 Motorsport Aluminum Round Bar

4032 T1 AMS 4318 Aluminum Round Bar is a high-strength aluminum-silicon alloy widely used in the racing industry. With excellent wear resistance, thermal stability, and lightweight performance, this 4032 aluminum material is ideal for motorsport components like pistons and connecting rods. The AMS 4318 round bar ensures precision and durability under extreme engine conditions, making it a trusted choice for high-performance applications.

Key Characteristics of AMS 4318 4032-T1 Round Bar

High Strength & Wear Resistance:Ideal for high-friction parts like pistons and gears.

Thermal Stability:Performs reliably under extreme engine temperatures.

Moderate Ductility:Allows limited forming and machining without cracking.

Good Machinability:Easy to machine with oil-based lubricants.

Corrosion Resistance:Resists corrosion, but may pit in harsh environments.

4032 T1 Aluminum Round bar Chemical Composition 

Element

Composition (%)

Aluminum (Al)

Balance

Chromium (Cr)

0.1 max

Copper (Cu)

0.5 – 1.3

Iron (Fe)

1.0 max

Magnesium (Mg)

0.8 – 1.3

Nickel (Ni)

0.5 – 1.3

Remainder (Each)

0.05 max

Remainder (Total)

0.15 max

Silicon (Si)

11.0 – 13.5

Zinc (Zn)

0.25 max

Mechanical Properties AMS 4318 4032 T1 Aluminum Round bar

Property

Value

Unit

Tensile Strength

380 - 415

MPa

Yield Strength

275 - 310

MPa

Elongation at Break

8-12

%

Brinell Hardness

110 - 120

HB

Density

~2.68

g/cm3

Elastic Modulus

71

GPa

Thermal Conductivity

~120

W/m.K

Electrical Conductivity

~30 - 35

% IACS

Stock list of 4032 T1 Aluminum Round bar

Alloy

Temper

Dia.(mm)

Length(mm)

4032

T1

10

2500/3000

4032

T1

15

2500/3000

4032

T1

20

2500/3000

4032

T1

25

2500/3000

4032

T1

30

2500/3000

4032

T1

35

2500/3000

4032

T1

40

2500/3000

4032

T1

45

2500/3000

4032

T1

50

2500/3000

4032

T1

55

2500/3000

4032

T1

60

2500/3000

4032

T1

65

2500/3000

4032

T1

70

2500/3000

4032

T1

75

2500/3000

4032

T1

80

2500/3000

4032

T1

85

2500/3000

4032

T1

90

2500/3000

4032

T1

95

2500/3000

4032

T1

100

2500/3000

4032

T1

110

2500/3000

4032

T1

120

2500/3000

4032

T1

130

2500/3000

4032

T1

140

2500/3000

4032

T1

150

2500/3000

4032

T1

160

2500/3000

4032

T1

170

2500/3000

4032

T1

180

2500/3000

Applications of AMS 4318 4032 T1 Aluminum Round Bar

AMS 4318 4032 T1 Aluminum Round Bar is widely used in the racing industry due to its high strength, wear resistance, and thermal stability. In motorsport, it is a go-to material for 4032 aluminum pistons, connecting rods, and cylinder liners—components that must endure extreme heat and friction under high RPMs. Its superior performance under stress makes it ideal for high-performance engines in both professional and amateur racing. Beyond motorsport, 4032 aluminum is also used in aerospace applications for load-bearing structures that require a balance of strength and weight. In industrial machinery, it serves in precision parts exposed to high wear conditions, benefiting from its durability and machinability.

 





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