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S44537 Stainless Steel vs. SAE-AISI 1146 Steel

Both S44537 stainless steel and SAE-AISI 1146 steel are iron alloys. They have 74% 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 S44537 stainless steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
13 to 17
Fatigue Strength, MPa 230
240 to 400
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 320
410 to 440
Tensile Strength: Ultimate (UTS), MPa 510
670 to 730
Tensile Strength: Yield (Proof), MPa 360
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 50
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 320
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24 to 26
Strength to Weight: Bending, points 18
22 to 23
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 17
20 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0.42 to 0.49
Chromium (Cr), % 20 to 24
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
98.3 to 98.8
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0.7 to 1.0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0
Sulfur (S), % 0 to 0.0060
0.080 to 0.13
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0