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C69700 Brass vs. SAE-AISI 1045 Steel

C69700 brass belongs to the copper alloys classification, while SAE-AISI 1045 steel belongs to the iron alloys. There are 27 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 C69700 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, % 25
13 to 18
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
72
Shear Strength, MPa 300
380 to 410
Tensile Strength: Ultimate (UTS), MPa 470
620 to 680
Tensile Strength: Yield (Proof), MPa 230
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
51
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
1.8
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 250
300 to 900
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
22 to 24
Strength to Weight: Bending, points 16
21 to 22
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
20 to 22

Alloy Composition

Carbon (C), % 0
0.43 to 0.5
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
98.5 to 99
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0