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S41041 Stainless Steel vs. SAE-AISI 1108 Steel

Both S41041 stainless steel and SAE-AISI 1108 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 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
23 to 34
Fatigue Strength, MPa 350
170 to 260
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
45 to 57
Shear Modulus, GPa 76
73
Shear Strength, MPa 560
250 to 280
Tensile Strength: Ultimate (UTS), MPa 910
380 to 440
Tensile Strength: Yield (Proof), MPa 580
220 to 360

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
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 860
130 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
13 to 16
Strength to Weight: Bending, points 27
15 to 16
Thermal Diffusivity, mm2/s 7.8
14
Thermal Shock Resistance, points 33
12 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.13 to 0.18
0.080 to 0.13
Chromium (Cr), % 11.5 to 13
0
Iron (Fe), % 84.5 to 87.8
98.9 to 99.24
Manganese (Mn), % 0.4 to 0.6
0.6 to 0.8
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