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S44401 Stainless Steel vs. SAE-AISI 1095 Steel

Both S44401 stainless steel and SAE-AISI 1095 steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 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 S44401 stainless steel and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
10 to 11
Fatigue Strength, MPa 200
310 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 300
400 to 540
Tensile Strength: Ultimate (UTS), MPa 480
680 to 900
Tensile Strength: Yield (Proof), MPa 300
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 22
47
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 230
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
24 to 32
Strength to Weight: Bending, points 18
22 to 26
Thermal Diffusivity, mm2/s 5.9
13
Thermal Shock Resistance, points 17
22 to 29

Alloy Composition

Carbon (C), % 0 to 0.025
0.9 to 1.0
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 75.1 to 80.6
98.4 to 98.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0.2 to 0.8
0