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S46500 Stainless Steel vs. SAE-AISI 1144 Steel

Both S46500 stainless steel and SAE-AISI 1144 steel are iron alloys. They have 74% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S46500 stainless steel and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.3 to 14
11 to 17
Fatigue Strength, MPa 550 to 890
280 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 730 to 1120
460 to 510
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
750 to 840
Tensile Strength: Yield (Proof), MPa 1120 to 1810
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 780
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 120
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
91 to 110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 44 to 68
27 to 30
Strength to Weight: Bending, points 33 to 44
23 to 25
Thermal Shock Resistance, points 44 to 67
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.020
0.4 to 0.48
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 72.6 to 76.1
97.5 to 98
Manganese (Mn), % 0 to 0.25
1.4 to 1.7
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 10.7 to 11.3
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0 to 0.010
0.24 to 0.33
Titanium (Ti), % 1.5 to 1.8
0