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EN 1.8881 Steel vs. S20432 Stainless Steel

Both EN 1.8881 steel and S20432 stainless steel are iron alloys. They have 74% 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 1.8881 steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
45
Fatigue Strength, MPa 460
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 510
400
Tensile Strength: Ultimate (UTS), MPa 830
580
Tensile Strength: Yield (Proof), MPa 710
230

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 420
900
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 26
38
Embodied Water, L/kg 54
140

Common Calculations

PREN (Pitting Resistance) 2.0
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 24
13

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 0 to 1.5
17 to 18
Copper (Cu), % 0 to 0.3
2.0 to 3.0
Iron (Fe), % 91.9 to 100
66.7 to 74
Manganese (Mn), % 0 to 1.7
3.0 to 5.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
4.0 to 6.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.050 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0080
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0