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ASTM A302 Alloy Steel vs. C93500 Bronze

ASTM A302 alloy steel belongs to the iron alloys classification, while C93500 bronze belongs to the copper alloys. There are 28 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 ASTM A302 alloy steel and the bottom bar is C93500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 20 to 23
15
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
38
Tensile Strength: Ultimate (UTS), MPa 590 to 620
220
Tensile Strength: Yield (Proof), MPa 350 to 390
110

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
850
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 39 to 51
70
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
31
Density, g/cm3 7.8 to 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
3.0
Embodied Energy, MJ/kg 20 to 21
49
Embodied Water, L/kg 48 to 50
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
28
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
59
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 21 to 22
6.9
Strength to Weight: Bending, points 20 to 21
9.1
Thermal Diffusivity, mm2/s 10 to 14
22
Thermal Shock Resistance, points 17 to 18
8.5