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C68400 Brass vs. ASTM A209 Steel

C68400 brass belongs to the copper alloys classification, while ASTM A209 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
34
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 330
280 to 310
Tensile Strength: Ultimate (UTS), MPa 540
420 to 460
Tensile Strength: Yield (Proof), MPa 310
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
410
Melting Completion (Liquidus), °C 840
1470
Melting Onset (Solidus), °C 820
1420 to 1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
50
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.1 to 8.2

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 460
130 to 170
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
15 to 16
Strength to Weight: Bending, points 19
16 to 17
Thermal Diffusivity, mm2/s 21
13
Thermal Shock Resistance, points 18
12 to 14