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C37100 Brass vs. SAE-AISI 1340 Steel

C37100 brass belongs to the copper alloys classification, while SAE-AISI 1340 steel belongs to the iron 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 C37100 brass and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 8.0 to 40
11 to 23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
72
Shear Strength, MPa 260 to 300
340 to 440
Tensile Strength: Ultimate (UTS), MPa 370 to 520
540 to 730
Tensile Strength: Yield (Proof), MPa 150 to 390
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 900
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 320
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
240 to 1040
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
19 to 26
Strength to Weight: Bending, points 14 to 18
19 to 23
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 12 to 17
17 to 23

Alloy Composition

Carbon (C), % 0
0.38 to 0.43
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.15
97.2 to 97.9
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
1.6 to 1.9
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0