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SAE-AISI 1140 Steel vs. C85900 Brass

SAE-AISI 1140 steel belongs to the iron alloys classification, while C85900 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 1140 steel and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
85
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 14 to 18
30
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 600 to 700
460
Tensile Strength: Yield (Proof), MPa 340 to 570
190

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1460
830
Melting Onset (Solidus), °C 1420
790
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 51
89
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
28

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 18
49
Embodied Water, L/kg 46
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
170
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21 to 25
16
Strength to Weight: Bending, points 20 to 22
17
Thermal Diffusivity, mm2/s 14
29
Thermal Shock Resistance, points 18 to 21
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
58 to 62
Iron (Fe), % 98.4 to 98.9
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.7 to 1.0
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0.080 to 0.13
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7