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EN 1.8888 Steel vs. S32950 Stainless Steel

Both EN 1.8888 steel and S32950 stainless steel are iron alloys. They have 68% 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 S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
17
Fatigue Strength, MPa 470
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 510
480
Tensile Strength: Ultimate (UTS), MPa 830
780
Tensile Strength: Yield (Proof), MPa 720
550

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.4
Embodied Energy, MJ/kg 26
47
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.0
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 11
4.3
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
26 to 29
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
60.3 to 69.4
Manganese (Mn), % 0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
1.0 to 2.5
Nickel (Ni), % 0 to 2.5
3.5 to 5.2
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.15 to 0.35
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0