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EN 1.8824 Steel vs. S31254 Stainless Steel

Both EN 1.8824 steel and S31254 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8824 steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
40
Fatigue Strength, MPa 310
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 370
490
Tensile Strength: Ultimate (UTS), MPa 580
720
Tensile Strength: Yield (Proof), MPa 440
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 49
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.5
Embodied Energy, MJ/kg 21
74
Embodied Water, L/kg 48
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 530
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 13
3.8
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.040
0
Carbon (C), % 0 to 0.16
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 96.6 to 99.98
51.4 to 56.3
Manganese (Mn), % 0 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
6.0 to 6.5
Nickel (Ni), % 0 to 0.5
17.5 to 18.5
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.020
0.18 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.1
0