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ASTM A209 Steel vs. C31400 Bronze

ASTM A209 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 ASTM A209 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, % 34
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 280 to 310
180 to 240
Tensile Strength: Ultimate (UTS), MPa 420 to 460
270 to 420
Tensile Strength: Yield (Proof), MPa 220 to 250
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 410
180
Melting Completion (Liquidus), °C 1470
1040
Melting Onset (Solidus), °C 1420 to 1430
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 50
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 to 8.2
43

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
28 to 420
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 15 to 16
8.7 to 13
Strength to Weight: Bending, points 16 to 17
11 to 14
Thermal Diffusivity, mm2/s 13
54
Thermal Shock Resistance, points 12 to 14
9.6 to 15