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SAE-AISI 1146 Steel vs. C31400 Bronze

SAE-AISI 1146 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 1146 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, % 13 to 17
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Shear Strength, MPa 410 to 440
180 to 240
Tensile Strength: Ultimate (UTS), MPa 670 to 730
270 to 420
Tensile Strength: Yield (Proof), MPa 360 to 630
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 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
43

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1050
28 to 420
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 24 to 26
8.7 to 13
Strength to Weight: Bending, points 22 to 23
11 to 14
Thermal Diffusivity, mm2/s 14
54
Thermal Shock Resistance, points 20 to 22
9.6 to 15

Alloy Composition

Carbon (C), % 0.42 to 0.49
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 98.3 to 98.8
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0.7 to 1.0
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