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EN 1.1221 Steel vs. CC755S Brass

EN 1.1221 steel belongs to the iron alloys classification, while CC755S brass belongs to the copper alloys. There are 29 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 EN 1.1221 steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
110
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 10 to 21
9.5
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 730 to 870
390
Tensile Strength: Yield (Proof), MPa 390 to 550
250

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
120
Melting Completion (Liquidus), °C 1460
820
Melting Onset (Solidus), °C 1410
780
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 48
120
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 19
46
Embodied Water, L/kg 47
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
33
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
290
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 31
14
Strength to Weight: Bending, points 23 to 26
15
Thermal Diffusivity, mm2/s 13
38
Thermal Shock Resistance, points 23 to 28
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0.57 to 0.65
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 97.1 to 98.8
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0.6 to 0.9
0 to 0.050
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.050
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9