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SAE-AISI H43 Steel vs. S24000 Stainless Steel

Both SAE-AISI H43 steel and S24000 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H43 steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
770

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1530
1390
Melting Onset (Solidus), °C 1480
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 120
39
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 31
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
28
Strength to Weight: Bending, points 22 to 46
24
Thermal Shock Resistance, points 21 to 62
16

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 19
Iron (Fe), % 83.2 to 85.9
61.5 to 69
Manganese (Mn), % 0.15 to 0.4
11.5 to 14.5
Molybdenum (Mo), % 7.8 to 8.5
0
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.2 to 0.45
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 1.8 to 2.2
0