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S46500 Stainless Steel vs. SAE-AISI 1118 Steel

Both S46500 stainless steel and SAE-AISI 1118 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 (9, 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 1118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.3 to 14
13
Fatigue Strength, MPa 550 to 890
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 730 to 1120
300
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
490
Tensile Strength: Yield (Proof), MPa 1120 to 1810
410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 780
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
12

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
61
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 44 to 68
17
Strength to Weight: Bending, points 33 to 44
18
Thermal Shock Resistance, points 44 to 67
15

Alloy Composition

Carbon (C), % 0 to 0.020
0.14 to 0.2
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 72.6 to 76.1
98 to 98.5
Manganese (Mn), % 0 to 0.25
1.3 to 1.6
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
0.080 to 0.13
Titanium (Ti), % 1.5 to 1.8
0