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EN 1.4581 Stainless Steel vs. EN 1.3539 Steel

Both EN 1.4581 stainless steel and EN 1.3539 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4581 stainless steel and the bottom bar is EN 1.3539 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
670

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 990
450
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.7
Embodied Energy, MJ/kg 59
22
Embodied Water, L/kg 160
57

Common Calculations

PREN (Pitting Resistance) 26
3.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 12
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.070
0.93 to 1.1
Chromium (Cr), % 18 to 20
1.8 to 2.1
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.4 to 71
95.2 to 96.5
Manganese (Mn), % 0 to 1.5
0.8 to 1.1
Molybdenum (Mo), % 2.0 to 2.5
0.5 to 0.6
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0.4 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030