MakeItFrom.com
Menu (ESC)

SAE-AISI A7 Steel vs. C31400 Bronze

SAE-AISI A7 steel belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1470
1040
Melting Onset (Solidus), °C 1430
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 37
180
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 13
2.6
Embodied Energy, MJ/kg 200
42
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29 to 77
8.7 to 13
Strength to Weight: Bending, points 25 to 48
11 to 14
Thermal Diffusivity, mm2/s 10
54
Thermal Shock Resistance, points 27 to 72
9.6 to 15

Alloy Composition

Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
87.5 to 90.5
Iron (Fe), % 81.4 to 87.7
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.7
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4