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EN 1.8151 Steel vs. EN 1.4571 Stainless Steel

Both EN 1.8151 steel and EN 1.4571 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 25 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 1.8151 steel and the bottom bar is EN 1.4571 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
600 to 900

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
950
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.8
3.9
Embodied Energy, MJ/kg 25
54
Embodied Water, L/kg 49
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
21 to 32
Strength to Weight: Bending, points 22 to 45
20 to 26
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 20 to 58
13 to 20

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.080
Chromium (Cr), % 0.4 to 0.8
16.5 to 18.5
Iron (Fe), % 95.9 to 97.2
61.7 to 71
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
10.5 to 13.5
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.3 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.7
Vanadium (V), % 0.1 to 0.2
0

Comparable Variants