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SAE-AISI 1345 Steel vs. S24000 Stainless Steel

Both SAE-AISI 1345 steel and S24000 stainless steel are iron alloys. 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 SAE-AISI 1345 steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 23
39
Fatigue Strength, MPa 230 to 390
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 370 to 440
530
Tensile Strength: Ultimate (UTS), MPa 590 to 730
770
Tensile Strength: Yield (Proof), MPa 330 to 620
430

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 120
260
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1040
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 26
28
Strength to Weight: Bending, points 20 to 23
24
Thermal Shock Resistance, points 19 to 23
16

Alloy Composition

Carbon (C), % 0.43 to 0.48
0 to 0.080
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 97.2 to 97.8
61.5 to 69
Manganese (Mn), % 1.6 to 1.9
11.5 to 14.5
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030