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EN 1.8505 Steel vs. EN 1.4150 Stainless Steel

Both EN 1.8505 steel and EN 1.4150 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
20
Fatigue Strength, MPa 540
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 630
460
Tensile Strength: Ultimate (UTS), MPa 1050
730
Tensile Strength: Yield (Proof), MPa 860
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
840
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 39
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 22
42
Embodied Water, L/kg 65
120

Common Calculations

PREN (Pitting Resistance) 2.6
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
27
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 11
6.2
Thermal Shock Resistance, points 31
27

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.45 to 0.6
Chromium (Cr), % 1.5 to 1.8
15 to 16.5
Iron (Fe), % 95.4 to 97.1
79 to 82.8
Manganese (Mn), % 0.4 to 0.7
0 to 0.8
Molybdenum (Mo), % 0.2 to 0.4
0.2 to 0.4
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
1.3 to 1.7
Sulfur (S), % 0 to 0.035
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4