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C34500 Brass vs. ASTM A285 Carbon Steel

C34500 brass belongs to the copper alloys classification, while ASTM A285 carbon steel belongs to the iron alloys. There are 29 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 C34500 brass and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 12 to 28
30 to 34
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 220 to 260
250 to 290
Tensile Strength: Ultimate (UTS), MPa 340 to 430
380 to 450
Tensile Strength: Yield (Proof), MPa 120 to 180
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 910
1470
Melting Onset (Solidus), °C 890
1420 to 1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 320
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
110
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
94 to 150
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 15
13 to 16
Strength to Weight: Bending, points 13 to 16
15 to 17
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 11 to 14
12 to 14