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C68400 Brass vs. EN 1.7779 Steel

C68400 brass belongs to the copper alloys classification, while EN 1.7779 steel belongs to the iron alloys. There are 30 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 C68400 brass and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
240
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
16
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 330
500
Tensile Strength: Ultimate (UTS), MPa 540
810
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 130
470
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
39
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 320
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1150
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
29
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 21
11
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.040
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
3.0 to 3.3
Copper (Cu), % 59 to 64
0 to 0.3
Iron (Fe), % 0 to 1.0
93.8 to 95.4
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0.030 to 0.3
0 to 0.025
Silicon (Si), % 1.5 to 2.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0.45 to 0.55
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0