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EN 1.4923 Stainless Steel vs. EN 1.8874 Steel

Both EN 1.4923 stainless steel and EN 1.8874 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is EN 1.8874 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
19
Fatigue Strength, MPa 300 to 440
340
Impact Strength: V-Notched Charpy, J 22 to 30
68
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 590
410
Tensile Strength: Ultimate (UTS), MPa 870 to 980
660
Tensile Strength: Yield (Proof), MPa 470 to 780
500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
420
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 24
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 41
24
Embodied Water, L/kg 100
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
23
Strength to Weight: Bending, points 26 to 28
21
Thermal Diffusivity, mm2/s 6.5
10
Thermal Shock Resistance, points 30 to 34
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.18 to 0.24
0 to 0.18
Chromium (Cr), % 11 to 12.5
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.5 to 87.1
93.6 to 100
Manganese (Mn), % 0.4 to 0.9
0 to 1.7
Molybdenum (Mo), % 0.8 to 1.2
0 to 0.7
Nickel (Ni), % 0.3 to 0.8
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15