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EN 1.8888 Steel vs. S82441 Stainless Steel

Both EN 1.8888 steel and S82441 stainless 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
28
Fatigue Strength, MPa 470
400
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 510
490
Tensile Strength: Ultimate (UTS), MPa 830
760
Tensile Strength: Yield (Proof), MPa 720
550

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 420
1090
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.2
Embodied Energy, MJ/kg 26
45
Embodied Water, L/kg 54
170

Common Calculations

PREN (Pitting Resistance) 2.0
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 24
21

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
23 to 25
Copper (Cu), % 0 to 0.3
0.1 to 0.8
Iron (Fe), % 91.9 to 100
62.6 to 70.2
Manganese (Mn), % 0 to 1.7
2.5 to 4.0
Molybdenum (Mo), % 0 to 0.7
1.0 to 2.0
Nickel (Ni), % 0 to 2.5
3.0 to 4.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0