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ASTM A27 Cast Steel vs. C66200 Brass

ASTM A27 cast steel belongs to the iron alloys classification, while C66200 brass 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 C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25 to 27
8.0 to 15
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 460 to 550
450 to 520
Tensile Strength: Yield (Proof), MPa 230 to 310
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1460
1070
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 52
150
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
36

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
29
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
43
Embodied Water, L/kg 45 to 46
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
760 to 1030
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 16 to 20
14 to 17
Strength to Weight: Bending, points 17 to 19
15 to 16
Thermal Diffusivity, mm2/s 14
45
Thermal Shock Resistance, points 15 to 18
16 to 18