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S20433 Stainless Steel vs. EN 1.4931 Steel

Both S20433 stainless steel and EN 1.4931 steel are iron alloys. They have 81% 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 S20433 stainless steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
17
Fatigue Strength, MPa 250
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 630
810
Tensile Strength: Yield (Proof), MPa 270
620

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 900
600
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 39
42
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 4.0
6.5
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.26
Chromium (Cr), % 17 to 18
11.3 to 12.2
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 64.1 to 72.4
83.2 to 86.8
Manganese (Mn), % 5.5 to 7.5
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 3.5 to 5.5
0 to 1.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35