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EN 1.4439 Stainless Steel vs. C38500 Bronze

EN 1.4439 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 EN 1.4439 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, % 40
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
37
Shear Strength, MPa 470
230
Tensile Strength: Ultimate (UTS), MPa 680
370
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 290
160
Maximum Temperature: Mechanical, °C 980
110
Melting Completion (Liquidus), °C 1460
890
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 22
22
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
48
Resilience: Unit (Modulus of Resilience), kJ/m3 240
78
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 22
14
Thermal Diffusivity, mm2/s 3.8
40
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
55 to 59
Iron (Fe), % 58.7 to 66.9
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5