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ASTM A216 Cast Steel vs. C21000 Brass

ASTM A216 cast steel belongs to the iron alloys classification, while C21000 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A216 cast steel and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25 to 27
2.9 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 500 to 570
240 to 450
Tensile Strength: Yield (Proof), MPa 230 to 310
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1450 to 1460
1070
Melting Onset (Solidus), °C 1410
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49 to 52
230
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
56
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
57

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 45
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
21 to 830
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18 to 20
7.4 to 14
Strength to Weight: Bending, points 18 to 20
9.6 to 15
Thermal Diffusivity, mm2/s 13 to 14
69
Thermal Shock Resistance, points 16 to 18
8.1 to 15