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C37100 Brass vs. EN 1.1121 Steel

C37100 brass belongs to the copper alloys classification, while EN 1.1121 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 EN 1.1121 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 8.0 to 40
28
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 260 to 300
260
Tensile Strength: Ultimate (UTS), MPa 370 to 520
400
Tensile Strength: Yield (Proof), MPa 150 to 390
210

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1420
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 27
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
110
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
14
Strength to Weight: Bending, points 14 to 18
15
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 12 to 17
13

Alloy Composition

Carbon (C), % 0
0.070 to 0.13
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.15
98.8 to 99.63
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0