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EN 1.4150 Stainless Steel vs. EN 1.8901 Steel

Both EN 1.4150 stainless steel and EN 1.8901 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 270
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
390
Tensile Strength: Ultimate (UTS), MPa 730
630
Tensile Strength: Yield (Proof), MPa 430
490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 840
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 23
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.6
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 42
24
Embodied Water, L/kg 120
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 470
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 6.2
12
Thermal Shock Resistance, points 27
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.45 to 0.6
0 to 0.22
Chromium (Cr), % 15 to 16.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 79 to 82.8
95 to 99.05
Manganese (Mn), % 0 to 0.8
1.0 to 1.8
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.13
Nickel (Ni), % 0 to 0.4
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.050 to 0.2
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.3 to 1.7
0 to 0.65
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0.2 to 0.4
0 to 0.22