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C94700 Bronze vs. ASTM A302 Alloy Steel

C94700 bronze belongs to the copper alloys classification, while ASTM A302 alloy steel belongs to the iron 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 C94700 bronze and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 7.9 to 32
20 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 350 to 590
590 to 620
Tensile Strength: Yield (Proof), MPa 160 to 400
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 1030
1460
Melting Onset (Solidus), °C 900
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 54
39 to 51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.4 to 3.0
Density, g/cm3 8.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.5
1.5 to 1.6
Embodied Energy, MJ/kg 56
20 to 21
Embodied Water, L/kg 350
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
330 to 410
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11 to 19
21 to 22
Strength to Weight: Bending, points 13 to 18
20 to 21
Thermal Diffusivity, mm2/s 16
10 to 14
Thermal Shock Resistance, points 12 to 21
17 to 18