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S31655 Stainless Steel vs. C67400 Bronze

S31655 stainless steel belongs to the iron alloys classification, while C67400 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
22 to 28
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 88
78 to 85
Shear Modulus, GPa 78
41
Shear Strength, MPa 490
310 to 350
Tensile Strength: Ultimate (UTS), MPa 710
480 to 610
Tensile Strength: Yield (Proof), MPa 350
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1010
130
Melting Completion (Liquidus), °C 1430
890
Melting Onset (Solidus), °C 1380
870
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
100
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
26

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
300 to 660
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
17 to 22
Strength to Weight: Bending, points 23
17 to 20
Thermal Diffusivity, mm2/s 4.0
32
Thermal Shock Resistance, points 16
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
57 to 60
Iron (Fe), % 63.2 to 71.9
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 2.0
2.0 to 3.5
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0 to 0.25
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.5 to 1.5
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
31.1 to 40
Residuals, % 0
0 to 0.5