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EN 1.4031 Stainless Steel vs. C87500 Brass

EN 1.4031 stainless steel belongs to the iron alloys classification, while C87500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4031 stainless steel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 13
18
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 670 to 900
460
Tensile Strength: Yield (Proof), MPa 390 to 730
190

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 770
170
Melting Completion (Liquidus), °C 1440
920
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 30
28
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
27
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
44
Embodied Water, L/kg 100
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
67
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 32
16
Strength to Weight: Bending, points 22 to 27
16
Thermal Diffusivity, mm2/s 8.1
8.3
Thermal Shock Resistance, points 23 to 32
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.36 to 0.42
0
Chromium (Cr), % 12.5 to 14.5
0
Copper (Cu), % 0
79 to 85
Iron (Fe), % 83 to 87.1
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
3.0 to 5.0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5