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ASTM A209 Steel vs. C69400 Brass

ASTM A209 steel belongs to the iron alloys classification, while C69400 brass belongs to the copper alloys. There are 29 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 A209 steel and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 34
17
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 280 to 310
350
Tensile Strength: Ultimate (UTS), MPa 420 to 460
570
Tensile Strength: Yield (Proof), MPa 220 to 250
270

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1470
920
Melting Onset (Solidus), °C 1420 to 1430
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 50
26
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 47
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
80
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 15 to 16
19
Strength to Weight: Bending, points 16 to 17
18
Thermal Diffusivity, mm2/s 13
7.7
Thermal Shock Resistance, points 12 to 14
20