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C68800 Brass vs. ASTM A209 Steel

C68800 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 (3, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 36
34
Poisson's Ratio 0.32
0.29
Rockwell B Hardness 81 to 99
77 to 81
Shear Modulus, GPa 41
73
Shear Strength, MPa 380 to 510
280 to 310
Tensile Strength: Ultimate (UTS), MPa 570 to 890
420 to 460
Tensile Strength: Yield (Proof), MPa 390 to 790
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 960
1470
Melting Onset (Solidus), °C 950
1420 to 1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
50
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.4
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 350
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
130 to 170
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19 to 30
15 to 16
Strength to Weight: Bending, points 19 to 25
16 to 17
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 19 to 30
12 to 14