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C37100 Brass vs. EN 1.7729 Steel

C37100 brass belongs to the copper alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 8.0 to 40
17
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 260 to 300
560
Tensile Strength: Ultimate (UTS), MPa 370 to 520
910
Tensile Strength: Yield (Proof), MPa 150 to 390
750

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
430
Melting Completion (Liquidus), °C 900
1470
Melting Onset (Solidus), °C 890
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
3.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
1500
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
32
Strength to Weight: Bending, points 14 to 18
27
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 12 to 17
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 58 to 62
0 to 0.2
Iron (Fe), % 0 to 0.15
94.8 to 97
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0