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SAE-AISI 1144 Steel vs. C69400 Brass

SAE-AISI 1144 steel belongs to the iron alloys classification, while C69400 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1144 steel and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 17
17
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Shear Strength, MPa 460 to 510
350
Tensile Strength: Ultimate (UTS), MPa 750 to 840
570
Tensile Strength: Yield (Proof), MPa 420 to 690
270

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 47
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 30
19
Strength to Weight: Bending, points 23 to 25
18
Thermal Diffusivity, mm2/s 14
7.7
Thermal Shock Resistance, points 22 to 24
20

Alloy Composition

Carbon (C), % 0.4 to 0.48
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 97.5 to 98
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 1.4 to 1.7
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0.24 to 0.33
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5