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S44725 Stainless Steel vs. C38500 Bronze

S44725 stainless steel belongs to the iron alloys classification, while C38500 bronze belongs to the copper alloys. There are 29 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 S44725 stainless steel and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 22
17
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
37
Shear Strength, MPa 320
230
Tensile Strength: Ultimate (UTS), MPa 500
370
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 290
160
Maximum Temperature: Mechanical, °C 1100
110
Melting Completion (Liquidus), °C 1450
890
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
31

Otherwise Unclassified Properties

Base Metal Price, % relative 15
22
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
48
Resilience: Unit (Modulus of Resilience), kJ/m3 240
78
Stiffness to Weight: Axial, points 15
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 4.6
40
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 25 to 28.5
0
Copper (Cu), % 0
55 to 59
Iron (Fe), % 67.6 to 73.5
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.040
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.26
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5