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SAE-AISI H13 Steel vs. S40920 Stainless Steel

Both SAE-AISI H13 steel and S40920 stainless steel are iron alloys. They have a moderately high 93% 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 H13 steel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
430

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 29
26
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
6.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.0
Embodied Energy, MJ/kg 64
28
Embodied Water, L/kg 78
94

Common Calculations

PREN (Pitting Resistance) 9.9
11
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 65
15
Strength to Weight: Bending, points 22 to 43
16
Thermal Diffusivity, mm2/s 7.8
6.9
Thermal Shock Resistance, points 25 to 65
15

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
10.5 to 11.7
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.8 to 92
85.1 to 89.4
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.1 to 1.8
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5
Vanadium (V), % 0.8 to 1.2
0