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EN 1.4903 Stainless Steel vs. C87500 Brass

EN 1.4903 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 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, % 20 to 21
18
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
42
Tensile Strength: Ultimate (UTS), MPa 670 to 680
460
Tensile Strength: Yield (Proof), MPa 500
190

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 650
170
Melting Completion (Liquidus), °C 1460
920
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 26
28
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 36
44
Embodied Water, L/kg 88
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
67
Resilience: Unit (Modulus of Resilience), kJ/m3 650
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 7.0
8.3
Thermal Shock Resistance, points 23
17

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.5
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0 to 0.3
79 to 85
Iron (Fe), % 87.1 to 90.5
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
3.0 to 5.0
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5