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EN 1.0540 Steel vs. EN 1.4439 Stainless Steel

Both EN 1.0540 steel and EN 1.4439 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.0540 steel and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14
40
Fatigue Strength, MPa 210
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Shear Strength, MPa 400
470
Tensile Strength: Ultimate (UTS), MPa 660
680
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.5
Embodied Energy, MJ/kg 19
61
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
220
Resilience: Unit (Modulus of Resilience), kJ/m3 290
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 13
3.8
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.030
Chromium (Cr), % 0 to 0.4
16.5 to 18.5
Iron (Fe), % 97.2 to 98.9
58.7 to 66.9
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
4.0 to 5.0
Nickel (Ni), % 0 to 0.4
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015