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S32050 Stainless Steel vs. EN 1.6781 Steel

Both S32050 stainless steel and EN 1.6781 steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32050 stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
250
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 46
17
Fatigue Strength, MPa 340
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 770
830
Tensile Strength: Yield (Proof), MPa 370
680

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.0
1.9
Embodied Energy, MJ/kg 81
25
Embodied Water, L/kg 210
60

Common Calculations

PREN (Pitting Resistance) 48
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 17
24

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.19
Chromium (Cr), % 22 to 24
1.3 to 1.8
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.1 to 51.8
92.6 to 94.6
Manganese (Mn), % 0 to 1.5
0.55 to 0.8
Molybdenum (Mo), % 6.0 to 6.6
0.45 to 0.6
Nickel (Ni), % 20 to 23
3.0 to 3.5
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015