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S41041 Stainless Steel vs. SAE-AISI 1141 Steel

Both S41041 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 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 SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 350
270 to 430
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
34 to 39
Shear Modulus, GPa 76
72
Shear Strength, MPa 560
460 to 480
Tensile Strength: Ultimate (UTS), MPa 910
740 to 810
Tensile Strength: Yield (Proof), MPa 580
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
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
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 860
430 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
26 to 29
Strength to Weight: Bending, points 27
23 to 25
Thermal Diffusivity, mm2/s 7.8
14
Thermal Shock Resistance, points 33
24 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0.37 to 0.45
Chromium (Cr), % 11.5 to 13
0
Iron (Fe), % 84.5 to 87.8
97.7 to 98.2
Manganese (Mn), % 0.4 to 0.6
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13