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EN 1.8901 Steel vs. EN 1.4150 Stainless Steel

Both EN 1.8901 steel and EN 1.4150 stainless 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 1.8901 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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