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C31400 Bronze vs. ASTM A204 Steel

C31400 bronze belongs to the copper alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
18 to 22
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 180 to 240
330 to 360
Tensile Strength: Ultimate (UTS), MPa 270 to 420
520 to 590
Tensile Strength: Yield (Proof), MPa 78 to 310
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
410
Melting Completion (Liquidus), °C 1040
1470
Melting Onset (Solidus), °C 1010
1420 to 1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 180
52
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 43
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.4
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 310
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
220 to 290
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.7 to 13
18 to 21
Strength to Weight: Bending, points 11 to 14
18 to 20
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 9.6 to 15
15 to 17