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EN 1.4378 Stainless Steel vs. CC491K Bronze

EN 1.4378 stainless steel belongs to the iron alloys classification, while CC491K bronze belongs to the copper alloys. There are 25 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 1.4378 stainless steel and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
73
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14 to 34
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
260
Tensile Strength: Yield (Proof), MPa 430 to 970
120

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1390
980
Melting Onset (Solidus), °C 1350
900
Specific Heat Capacity, J/kg-K 480
370
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
51
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
27
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
67
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28 to 41
8.1
Strength to Weight: Bending, points 24 to 31
10
Thermal Shock Resistance, points 16 to 23
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
81 to 87
Iron (Fe), % 61.2 to 69
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 11.5 to 14.5
0
Nickel (Ni), % 2.3 to 3.7
0 to 2.0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0