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EN 1.4462 Stainless Steel vs. EN 1.8901 Steel

Both EN 1.4462 stainless steel and EN 1.8901 steel are iron alloys. They have 70% 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 1.4462 stainless steel and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 26
19
Fatigue Strength, MPa 370
340
Impact Strength: V-Notched Charpy, J 90
58
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 500
390
Tensile Strength: Ultimate (UTS), MPa 780
630
Tensile Strength: Yield (Proof), MPa 520
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1060
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 49
24
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.030
0 to 0.22
Chromium (Cr), % 21 to 23
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 63.7 to 71.9
95 to 99.05
Manganese (Mn), % 0 to 2.0
1.0 to 1.8
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.13
Nickel (Ni), % 4.5 to 6.5
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.1 to 0.22
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22