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AISI 409 Stainless Steel vs. SAE-AISI H24 Steel

Both AISI 409 stainless steel and SAE-AISI H24 steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 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 AISI 409 stainless steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 420
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1450
1750
Melting Onset (Solidus), °C 1400
1700
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 25
27
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
37
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 2.0
6.1
Embodied Energy, MJ/kg 28
93
Embodied Water, L/kg 94
78

Common Calculations

PREN (Pitting Resistance) 11
28
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 15
22 to 61
Strength to Weight: Bending, points 16
20 to 39
Thermal Diffusivity, mm2/s 6.7
6.9
Thermal Shock Resistance, points 15
22 to 61

Alloy Composition

Carbon (C), % 0 to 0.080
0.42 to 0.53
Chromium (Cr), % 10.5 to 11.7
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 84.9 to 89.5
78 to 82.4
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.75
0
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6