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C43400 Brass vs. SAE-AISI 1045 Steel

C43400 brass belongs to the copper alloys classification, while SAE-AISI 1045 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C43400 brass and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 49
13 to 18
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72
Shear Strength, MPa 250 to 390
380 to 410
Tensile Strength: Ultimate (UTS), MPa 310 to 690
620 to 680
Tensile Strength: Yield (Proof), MPa 110 to 560
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 1020
1460
Melting Onset (Solidus), °C 990
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 140
51
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.8
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 320
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
300 to 900
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10 to 22
22 to 24
Strength to Weight: Bending, points 12 to 20
21 to 22
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 11 to 24
20 to 22

Alloy Composition

Carbon (C), % 0
0.43 to 0.5
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
98.5 to 99
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0 to 0.5
0