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SAE-AISI 1141 Steel vs. C31400 Bronze

SAE-AISI 1141 steel belongs to the iron alloys classification, while C31400 bronze 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 1141 steel and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 17
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Shear Strength, MPa 460 to 480
180 to 240
Tensile Strength: Ultimate (UTS), MPa 740 to 810
270 to 420
Tensile Strength: Yield (Proof), MPa 400 to 700
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 51
180
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
42
Electrical Conductivity: Equal Weight (Specific), % IACS 12
43

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 47
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
28 to 420
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 29
8.7 to 13
Strength to Weight: Bending, points 23 to 25
11 to 14
Thermal Diffusivity, mm2/s 14
54
Thermal Shock Resistance, points 24 to 26
9.6 to 15

Alloy Composition

Carbon (C), % 0.37 to 0.45
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 97.7 to 98.2
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 1.4 to 1.7
0
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0.080 to 0.13
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4