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EN 1.3940 Stainless Steel vs. CC494K Bronze

EN 1.3940 stainless steel belongs to the iron alloys classification, while CC494K bronze 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 1.3940 stainless steel and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34
7.6
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 540
210
Tensile Strength: Yield (Proof), MPa 240
94

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1420
970
Melting Onset (Solidus), °C 1380
890
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 15
63
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 150
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
13
Resilience: Unit (Modulus of Resilience), kJ/m3 150
43
Stiffness to Weight: Axial, points 14
6.4
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 19
6.5
Strength to Weight: Bending, points 19
8.8
Thermal Diffusivity, mm2/s 4.1
19
Thermal Shock Resistance, points 16
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
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 87
Iron (Fe), % 64.2 to 71.4
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 2.0
0 to 0.2
Nickel (Ni), % 12 to 14
0 to 2.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
0 to 2.0