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EN 1.4311 Stainless Steel vs. C87700 Bronze

EN 1.4311 stainless steel belongs to the iron alloys classification, while C87700 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4311 stainless steel and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 43
3.6
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 650
300
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
180
Melting Completion (Liquidus), °C 1420
980
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
48

Otherwise Unclassified Properties

Base Metal Price, % relative 16
29
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 240
64
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 23
9.8
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 4.0
34
Thermal Shock Resistance, points 15
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 65.7 to 73.9
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 8.5 to 11.5
0 to 0.25
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.15
Silicon (Si), % 0 to 1.0
2.5 to 3.5
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 0
7.0 to 9.0
Residuals, % 0
0 to 0.8