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S24000 Stainless Steel vs. SAE-AISI 6118 Steel

Both S24000 stainless steel and SAE-AISI 6118 steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S24000 stainless steel and the bottom bar is SAE-AISI 6118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
23
Fatigue Strength, MPa 370
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
300
Tensile Strength: Ultimate (UTS), MPa 770
470
Tensile Strength: Yield (Proof), MPa 430
290

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 39
23
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
93
Resilience: Unit (Modulus of Resilience), kJ/m3 470
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.16 to 0.21
Chromium (Cr), % 17 to 19
0.5 to 0.7
Iron (Fe), % 61.5 to 69
97.8 to 98.6
Manganese (Mn), % 11.5 to 14.5
0.5 to 0.7
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0
0.1 to 0.15