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ASTM A302 Alloy Steel vs. C52400 Bronze

ASTM A302 alloy steel belongs to the iron alloys classification, while C52400 bronze belongs to the copper alloys. There are 24 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 ASTM A302 alloy steel and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 590 to 620
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
840
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 39 to 51
50
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
35
Density, g/cm3 7.8 to 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
3.6
Embodied Energy, MJ/kg 20 to 21
58
Embodied Water, L/kg 48 to 50
390

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 22
14 to 28
Strength to Weight: Bending, points 20 to 21
15 to 23
Thermal Diffusivity, mm2/s 10 to 14
15
Thermal Shock Resistance, points 17 to 18
17 to 32