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ASTM A203 Steel vs. C44400 Brass

ASTM A203 steel belongs to the iron alloys classification, while C44400 brass belongs to the copper alloys. There are 26 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 A203 steel and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 520 to 590
350
Tensile Strength: Yield (Proof), MPa 290 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
140
Melting Completion (Liquidus), °C 1460
940
Melting Onset (Solidus), °C 1420
900
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5 to 8.7
27

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
26
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
2.8
Embodied Energy, MJ/kg 21 to 23
46
Embodied Water, L/kg 50 to 52
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
65
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 21
12
Strength to Weight: Bending, points 18 to 20
13
Thermal Diffusivity, mm2/s 14
35
Thermal Shock Resistance, points 15 to 17
12