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ASTM A27 Cast Steel vs. C38500 Bronze

ASTM A27 cast steel belongs to the iron alloys classification, while C38500 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 A27 cast steel and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 25 to 27
17
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
37
Tensile Strength: Ultimate (UTS), MPa 460 to 550
370
Tensile Strength: Yield (Proof), MPa 230 to 310
130

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Maximum Temperature: Mechanical, °C 400
110
Melting Completion (Liquidus), °C 1460
890
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 52
120
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
31

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
22
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 45 to 46
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
48
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
78
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 16 to 20
13
Strength to Weight: Bending, points 17 to 19
14
Thermal Diffusivity, mm2/s 14
40
Thermal Shock Resistance, points 15 to 18
12