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EN 1.7240 Steel vs. C38000 Brass

EN 1.7240 steel belongs to the iron alloys classification, while C38000 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 1.7240 steel and the bottom bar is C38000 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
39
Tensile Strength: Ultimate (UTS), MPa 670 to 1990
380

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 420
110
Melting Completion (Liquidus), °C 1460
800
Melting Onset (Solidus), °C 1410
760
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
110
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
22
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 50
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
Strength to Weight: Bending, points 22 to 45
14
Thermal Diffusivity, mm2/s 12
37
Thermal Shock Resistance, points 20 to 59
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
55 to 60
Iron (Fe), % 96.7 to 97.9
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5