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ASTM A209 Steel vs. C27400 Brass

ASTM A209 steel belongs to the iron alloys classification, while C27400 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A209 steel and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Rockwell B Hardness 77 to 81
53 to 91
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 420 to 460
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1470
920
Melting Onset (Solidus), °C 1420 to 1430
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
31

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
45
Embodied Water, L/kg 47
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 15 to 16
13 to 23
Strength to Weight: Bending, points 16 to 17
14 to 21
Thermal Diffusivity, mm2/s 13
37
Thermal Shock Resistance, points 12 to 14
12 to 22