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EN 1.8503 Steel vs. EN 1.4150 Stainless Steel

Both EN 1.8503 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 1.8503 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 600
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 610
460
Tensile Strength: Ultimate (UTS), MPa 1000
730
Tensile Strength: Yield (Proof), MPa 910
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
840
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 41
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 33
42
Embodied Water, L/kg 57
120

Common Calculations

PREN (Pitting Resistance) 3.7
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
27
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 11
6.2
Thermal Shock Resistance, points 29
27

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0.45 to 0.6
Chromium (Cr), % 1.2 to 1.5
15 to 16.5
Iron (Fe), % 95.8 to 97.5
79 to 82.8
Manganese (Mn), % 0.4 to 0.8
0 to 0.8
Molybdenum (Mo), % 0.65 to 0.8
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), % 0.25 to 0.35
0.2 to 0.4