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EN 1.8151 Steel vs. EN 1.4361 Stainless Steel

Both EN 1.8151 steel and EN 1.4361 stainless steel are iron alloys. They have 65% 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
630

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Maximum Temperature: Mechanical, °C 410
940
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 50
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.8
3.6
Embodied Energy, MJ/kg 25
52
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
23
Strength to Weight: Bending, points 22 to 45
21
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 20 to 58
15

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.015
Chromium (Cr), % 0.4 to 0.8
16.5 to 18.5
Iron (Fe), % 95.9 to 97.2
58.7 to 65.8
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.3 to 1.7
3.7 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Vanadium (V), % 0.1 to 0.2
0