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EN 1.3539 Steel vs. EN 1.4578 Stainless Steel

Both EN 1.3539 steel and EN 1.4578 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3539 steel and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 670
550

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 450
930
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.7
Embodied Energy, MJ/kg 22
51
Embodied Water, L/kg 57
160

Common Calculations

PREN (Pitting Resistance) 3.8
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0 to 0.040
Chromium (Cr), % 1.8 to 2.1
16.5 to 17.5
Copper (Cu), % 0 to 0.3
3.0 to 3.5
Iron (Fe), % 95.2 to 96.5
62.3 to 68.5
Manganese (Mn), % 0.8 to 1.1
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.6
2.0 to 2.5
Nickel (Ni), % 0
10 to 11
Nitrogen (N), % 0
0 to 0.1
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.4 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015