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EN 1.4971 Stainless Steel vs. C87400 Brass

EN 1.4971 stainless steel belongs to the iron alloys classification, while C87400 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 34
21
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 800
390
Tensile Strength: Yield (Proof), MPa 340
160

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
920
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
28
Thermal Expansion, µm/m-K 15
18

Otherwise Unclassified Properties

Base Metal Price, % relative 70
27
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 7.6
2.7
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
65
Resilience: Unit (Modulus of Resilience), kJ/m3 280
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
13
Strength to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 3.4
8.3
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
79 to 85.5
Iron (Fe), % 24.3 to 37.1
0
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
2.5 to 4.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8