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S32001 Stainless Steel vs. EN 1.8946 Steel

Both S32001 stainless steel and EN 1.8946 steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 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 S32001 stainless steel and the bottom bar is EN 1.8946 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
16
Fatigue Strength, MPa 370
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 450
350
Tensile Strength: Ultimate (UTS), MPa 690
580
Tensile Strength: Yield (Proof), MPa 510
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 970
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 37
23
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
82
Resilience: Unit (Modulus of Resilience), kJ/m3 660
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 19.5 to 21.5
0.25 to 1.4
Copper (Cu), % 0 to 1.0
0.2 to 0.6
Iron (Fe), % 66.6 to 75.5
94.8 to 99.5
Manganese (Mn), % 4.0 to 6.0
0 to 1.1
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 1.0 to 3.0
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0.050 to 0.16
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0
0 to 0.14