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EN 1.4150 Stainless Steel vs. EN 1.7108 Steel

Both EN 1.4150 stainless steel and EN 1.7108 steel are iron alloys. They have 84% 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 1.4150 stainless steel and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200 to 510
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 730
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 840
410
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 23
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.1
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 120
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24 to 75
Strength to Weight: Bending, points 24
22 to 47
Thermal Diffusivity, mm2/s 6.2
12
Thermal Shock Resistance, points 27
20 to 63

Alloy Composition

Carbon (C), % 0.45 to 0.6
0.57 to 0.65
Chromium (Cr), % 15 to 16.5
0.2 to 0.45
Iron (Fe), % 79 to 82.8
95.9 to 96.9
Manganese (Mn), % 0 to 0.8
0.7 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.3 to 1.7
1.6 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0.2 to 0.4
0