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EN 1.7701 Steel vs. C47940 Brass

EN 1.7701 steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is C47940 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
380 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 420
130
Melting Completion (Liquidus), °C 1460
850
Melting Onset (Solidus), °C 1420
800
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
110
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 26
47
Embodied Water, L/kg 52
330

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
13 to 17
Strength to Weight: Bending, points 22 to 45
14 to 17
Thermal Diffusivity, mm2/s 12
36
Thermal Shock Resistance, points 20 to 59
13 to 17

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
63 to 66
Iron (Fe), % 96.2 to 97.7
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0.7 to 1.1
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
1.2 to 2.0
Vanadium (V), % 0.1 to 0.2
0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4