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S41041 Stainless Steel vs. AISI 446 Stainless Steel

Both S41041 stainless steel and AISI 446 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S41041 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
23
Fatigue Strength, MPa 350
200
Poisson's Ratio 0.28
0.27
Reduction in Area, % 56
50
Shear Modulus, GPa 76
79
Shear Strength, MPa 560
360
Tensile Strength: Ultimate (UTS), MPa 910
570
Tensile Strength: Yield (Proof), MPa 580
300

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 740
1180
Melting Completion (Liquidus), °C 1450
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 29
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
2.4
Embodied Energy, MJ/kg 31
35
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 860
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 27
20
Thermal Diffusivity, mm2/s 7.8
4.6
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0 to 0.2
Chromium (Cr), % 11.5 to 13
23 to 27
Iron (Fe), % 84.5 to 87.8
69.2 to 77
Manganese (Mn), % 0.4 to 0.6
0 to 1.5
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.5
0 to 0.75
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0 to 0.25
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