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C34500 Brass vs. ASTM A36 Carbon Steel

C34500 brass belongs to the copper alloys classification, while ASTM A36 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 A36 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 12 to 28
22
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 220 to 260
300
Tensile Strength: Ultimate (UTS), MPa 340 to 430
480
Tensile Strength: Yield (Proof), MPa 120 to 180
290

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 910
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
12
Electrical Conductivity: Equal Weight (Specific), % IACS 29
14

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
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
92
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
220
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 15
17
Strength to Weight: Bending, points 13 to 16
17
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 11 to 14
16

Alloy Composition

Carbon (C), % 0
0 to 0.26
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
99.25 to 100
Lead (Pb), % 1.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0