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EN 1.4971 Stainless Steel vs. C95700 Bronze

EN 1.4971 stainless steel belongs to the iron alloys classification, while C95700 bronze 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 C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
130
Elongation at Break, % 34
23
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
47
Tensile Strength: Ultimate (UTS), MPa 800
680
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1460
990
Melting Onset (Solidus), °C 1410
950
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 15
18

Otherwise Unclassified Properties

Base Metal Price, % relative 70
26
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.6
3.3
Embodied Energy, MJ/kg 110
54
Embodied Water, L/kg 300
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
390
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 3.4
3.3
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.5
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
71 to 78.5
Iron (Fe), % 24.3 to 37.1
2.0 to 4.0
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
11 to 14
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
1.5 to 3.0
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
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5