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EN 1.7108 Steel vs. C47940 Brass

EN 1.7108 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 1.7108 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 72
40
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
380 to 520

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 410
130
Melting Completion (Liquidus), °C 1430
850
Melting Onset (Solidus), °C 1390
800
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 46
110
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 47
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 75
13 to 17
Strength to Weight: Bending, points 22 to 47
14 to 17
Thermal Diffusivity, mm2/s 12
36
Thermal Shock Resistance, points 20 to 63
13 to 17

Alloy Composition

Carbon (C), % 0.57 to 0.65
0
Chromium (Cr), % 0.2 to 0.45
0
Copper (Cu), % 0
63 to 66
Iron (Fe), % 95.9 to 96.9
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.6 to 2.0
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4