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EN 1.7701 Steel vs. C34500 Brass

EN 1.7701 steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
340 to 430

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 420
120
Melting Completion (Liquidus), °C 1460
910
Melting Onset (Solidus), °C 1420
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
29

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
24
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 26
45
Embodied Water, L/kg 52
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 24 to 71
12 to 15
Strength to Weight: Bending, points 22 to 45
13 to 16
Thermal Diffusivity, mm2/s 12
37
Thermal Shock Resistance, points 20 to 59
11 to 14

Alloy Composition


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Carbon (C), % 0.48 to 0.56
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 96.2 to 97.7
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0.7 to 1.1
0
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Vanadium (V), % 0.1 to 0.2
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4