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S41041 Stainless Steel vs. EN 1.4446 Stainless Steel

Both S41041 stainless steel and EN 1.4446 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 33 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 S41041 stainless steel and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
23
Fatigue Strength, MPa 350
160
Impact Strength: V-Notched Charpy, J 31
56
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 910
490
Tensile Strength: Yield (Proof), MPa 580
240

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 740
980
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.5
Embodied Energy, MJ/kg 31
60
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 13
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 860
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 27
17
Thermal Diffusivity, mm2/s 7.8
3.6
Thermal Shock Resistance, points 33
11

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0 to 0.030
Chromium (Cr), % 11.5 to 13
16.5 to 18.5
Iron (Fe), % 84.5 to 87.8
59.7 to 66.9
Manganese (Mn), % 0.4 to 0.6
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
4.0 to 4.5
Nickel (Ni), % 0 to 0.5
12.5 to 14.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030