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SAE-AISI H11 Steel vs. S20432 Stainless Steel

Both SAE-AISI H11 steel and S20432 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 24 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 SAE-AISI H11 steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
580

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
38
Embodied Water, L/kg 75
140

Common Calculations

PREN (Pitting Resistance) 9.6
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 66
21
Strength to Weight: Bending, points 22 to 43
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 22 to 58
13

Alloy Composition

Carbon (C), % 0.33 to 0.43
0 to 0.080
Chromium (Cr), % 4.8 to 5.5
17 to 18
Copper (Cu), % 0 to 0.25
2.0 to 3.0
Iron (Fe), % 89.6 to 92.5
66.7 to 74
Manganese (Mn), % 0.2 to 0.5
3.0 to 5.0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.3 to 0.6
0