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S41041 Stainless Steel vs. EN 1.4439 Stainless Steel

Both S41041 stainless steel and EN 1.4439 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S41041 stainless steel and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 350
270
Impact Strength: V-Notched Charpy, J 31
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 560
470
Tensile Strength: Ultimate (UTS), MPa 910
680
Tensile Strength: Yield (Proof), MPa 580
310

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
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

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
61
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 13
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 860
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 27
22
Thermal Diffusivity, mm2/s 7.8
3.8
Thermal Shock Resistance, points 33
15

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
58.7 to 66.9
Manganese (Mn), % 0.4 to 0.6
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
4.0 to 5.0
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 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015