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EN 1.8151 Steel vs. EN 1.4539 Stainless Steel

Both EN 1.8151 steel and EN 1.4539 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
630

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
31
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.8
5.7
Embodied Energy, MJ/kg 25
78
Embodied Water, L/kg 49
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 70
22
Strength to Weight: Bending, points 22 to 45
20
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 20 to 58
14

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.020
Chromium (Cr), % 0.4 to 0.8
19 to 21
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 95.9 to 97.2
43.1 to 51.8
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.3 to 1.7
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Vanadium (V), % 0.1 to 0.2
0