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C68400 Brass vs. EN 1.6368 Steel

C68400 brass belongs to the copper alloys classification, while EN 1.6368 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
18
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 330
410 to 430
Tensile Strength: Ultimate (UTS), MPa 540
660 to 690
Tensile Strength: Yield (Proof), MPa 310
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
410
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
40
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
3.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 320
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
580 to 650
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
23 to 24
Strength to Weight: Bending, points 19
21 to 22
Thermal Diffusivity, mm2/s 21
11
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.015 to 0.040
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.17
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 59 to 64
0.5 to 0.8
Iron (Fe), % 0 to 1.0
95.1 to 97.2
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0 to 0.5
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0.030 to 0.3
0 to 0.025
Silicon (Si), % 1.5 to 2.5
0.25 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0