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C68400 Brass vs. EN 1.6771 Steel

C68400 brass belongs to the copper alloys classification, while EN 1.6771 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
280 to 350
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
8.0 to 8.7
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 540
930 to 1180
Tensile Strength: Yield (Proof), MPa 310
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
440
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
46
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 47
25
Embodied Water, L/kg 320
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1460 to 3450
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
33 to 41
Strength to Weight: Bending, points 19
27 to 31
Thermal Diffusivity, mm2/s 21
13
Thermal Shock Resistance, points 18
27 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
92.2 to 95
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.5
3.0 to 4.0
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0