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C68700 Brass vs. EN 1.7220 Steel

C68700 brass belongs to the copper alloys classification, while EN 1.7220 steel belongs to the iron alloys. There are 24 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 C68700 brass and the bottom bar is EN 1.7220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 390
520 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 160
420
Melting Completion (Liquidus), °C 970
1460
Melting Onset (Solidus), °C 930
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 100
44
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 25
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 340
51

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13
18 to 61
Strength to Weight: Bending, points 14
18 to 41
Thermal Diffusivity, mm2/s 30
12
Thermal Shock Resistance, points 13
15 to 50

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0.3 to 0.37
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
96.8 to 98.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0 to 0.5
0