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EN 1.4905 Stainless Steel vs. S41041 Stainless Steel

Both EN 1.4905 stainless steel and S41041 stainless steel are iron alloys. They have a very high 96% 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 EN 1.4905 stainless steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
17
Fatigue Strength, MPa 330
350
Impact Strength: V-Notched Charpy, J 38
31
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 460
560
Tensile Strength: Ultimate (UTS), MPa 740
910
Tensile Strength: Yield (Proof), MPa 510
580

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
430
Maximum Temperature: Mechanical, °C 660
740
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
29
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 40
31
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 15
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 680
860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 7.0
7.8
Thermal Shock Resistance, points 25
33

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.050
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0.13 to 0.18
Chromium (Cr), % 8.5 to 9.5
11.5 to 13
Iron (Fe), % 86.2 to 88.8
84.5 to 87.8
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.2
Nickel (Ni), % 0.1 to 0.4
0 to 0.5
Niobium (Nb), % 0.060 to 0.1
0.15 to 0.45
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0