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S44660 Stainless Steel vs. SAE-AISI 1141 Steel

Both S44660 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44660 stainless steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
11 to 17
Fatigue Strength, MPa 330
270 to 430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 410
460 to 480
Tensile Strength: Ultimate (UTS), MPa 660
740 to 810
Tensile Strength: Yield (Proof), MPa 510
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 21
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 640
430 to 1290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 29
Strength to Weight: Bending, points 22
23 to 25
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 21
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.37 to 0.45
Chromium (Cr), % 25 to 28
0
Iron (Fe), % 60.4 to 71
97.7 to 98.2
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 1.0 to 3.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Titanium (Ti), % 0.2 to 1.0
0