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EN 1.4523 Stainless Steel vs. EN 1.8901 Steel

Both EN 1.4523 stainless steel and EN 1.8901 steel are iron alloys. They have 79% 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 1.4523 stainless steel and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19
Fatigue Strength, MPa 190
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 320
390
Tensile Strength: Ultimate (UTS), MPa 520
630
Tensile Strength: Yield (Proof), MPa 320
490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 40
24
Embodied Water, L/kg 130
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 5.8
12
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.015
Carbon (C), % 0 to 0.030
0 to 0.22
Chromium (Cr), % 17.5 to 19
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 75.7 to 80.2
95 to 99.05
Manganese (Mn), % 0 to 0.5
1.0 to 1.8
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0 to 0.060
Vanadium (V), % 0
0 to 0.22