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SAE-AISI 1078 Steel vs. C69710 Brass

SAE-AISI 1078 steel belongs to the iron alloys classification, while C69710 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 1078 steel and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 14
25
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Shear Strength, MPa 440 to 470
300
Tensile Strength: Ultimate (UTS), MPa 730 to 780
470
Tensile Strength: Yield (Proof), MPa 430 to 570
230

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 49
40
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
44
Embodied Water, L/kg 45
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 90
99
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 860
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 28
16
Strength to Weight: Bending, points 23 to 24
16
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 25 to 26
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0.72 to 0.85
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 98.5 to 99
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0.3 to 0.6
0 to 0.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
13.8 to 22
Residuals, % 0
0 to 0.5