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C87200 Bronze vs. EN 1.3940 Stainless Steel

C87200 bronze belongs to the copper alloys classification, while EN 1.3940 stainless steel belongs to the iron 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 C87200 bronze and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 380
540
Tensile Strength: Yield (Proof), MPa 170
240

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 200
930
Melting Completion (Liquidus), °C 970
1420
Melting Onset (Solidus), °C 860
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
17
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
150
Resilience: Unit (Modulus of Resilience), kJ/m3 130
150
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
19
Strength to Weight: Bending, points 14
19
Thermal Diffusivity, mm2/s 8.0
4.1
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
64.2 to 71.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 0
12 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.5
0 to 0.035
Silicon (Si), % 1.0 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0