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EN 1.3940 Stainless Steel vs. C93700 Bronze

EN 1.3940 stainless steel belongs to the iron alloys classification, while C93700 bronze belongs to the copper alloys. There are 30 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 1.3940 stainless steel and the bottom bar is C93700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
99
Elongation at Break, % 34
20
Fatigue Strength, MPa 190
90
Impact Strength: V-Notched Charpy, J 130
15
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
37
Tensile Strength: Ultimate (UTS), MPa 540
240
Tensile Strength: Yield (Proof), MPa 240
130

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 930
140
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1380
760
Specific Heat Capacity, J/kg-K 480
350
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 17
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 150
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
40
Resilience: Unit (Modulus of Resilience), kJ/m3 150
79
Stiffness to Weight: Axial, points 14
6.2
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 19
7.5
Strength to Weight: Bending, points 19
9.6
Thermal Diffusivity, mm2/s 4.1
15
Thermal Shock Resistance, points 16
9.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
78 to 82
Iron (Fe), % 64.2 to 71.4
0 to 0.15
Lead (Pb), % 0
8.0 to 11
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 14
0 to 1.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 1.5
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.080
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0