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S41041 Stainless Steel vs. EN 1.6781 Steel

Both S41041 stainless steel and EN 1.6781 steel are iron alloys. They have 89% 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 S41041 stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
17
Fatigue Strength, MPa 350
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
830
Tensile Strength: Yield (Proof), MPa 580
680

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 740
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.9
Embodied Energy, MJ/kg 31
25
Embodied Water, L/kg 100
60

Common Calculations

PREN (Pitting Resistance) 13
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 860
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 27
25
Thermal Diffusivity, mm2/s 7.8
12
Thermal Shock Resistance, points 33
24

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0.15 to 0.19
Chromium (Cr), % 11.5 to 13
1.3 to 1.8
Iron (Fe), % 84.5 to 87.8
92.6 to 94.6
Manganese (Mn), % 0.4 to 0.6
0.55 to 0.8
Molybdenum (Mo), % 0 to 0.2
0.45 to 0.6
Nickel (Ni), % 0 to 0.5
3.0 to 3.5
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015