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ASTM A217 Cast Steel vs. C85700 Brass

ASTM A217 cast steel belongs to the iron alloys classification, while C85700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 21 to 27
17
Poisson's Ratio 0.28 to 0.29
0.31
Shear Modulus, GPa 73 to 75
40
Tensile Strength: Ultimate (UTS), MPa 540 to 710
310
Tensile Strength: Yield (Proof), MPa 270 to 460
110

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
170
Maximum Temperature: Mechanical, °C 410 to 600
120
Melting Completion (Liquidus), °C 1450 to 1460
940
Melting Onset (Solidus), °C 1410 to 1420
910
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 26 to 50
84
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
25

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
2.8
Embodied Energy, MJ/kg 20 to 28
47
Embodied Water, L/kg 47 to 87
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
41
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
59
Stiffness to Weight: Axial, points 13 to 14
7.2
Stiffness to Weight: Bending, points 24 to 25
20
Strength to Weight: Axial, points 19 to 25
11
Strength to Weight: Bending, points 19 to 23
13
Thermal Diffusivity, mm2/s 6.9 to 14
27
Thermal Shock Resistance, points 16 to 20
10