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SAE-AISI H13 Steel vs. S31266 Stainless Steel

Both SAE-AISI H13 steel and S31266 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H13 steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
860

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 29
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.3
6.5
Embodied Energy, MJ/kg 64
89
Embodied Water, L/kg 78
220

Common Calculations

PREN (Pitting Resistance) 9.9
54
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 65
29
Strength to Weight: Bending, points 22 to 43
24
Thermal Diffusivity, mm2/s 7.8
3.1
Thermal Shock Resistance, points 25 to 65
18

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
23 to 25
Copper (Cu), % 0 to 0.25
1.0 to 2.5
Iron (Fe), % 88.8 to 92
34.1 to 46
Manganese (Mn), % 0.2 to 0.5
2.0 to 4.0
Molybdenum (Mo), % 1.1 to 1.8
5.2 to 6.2
Nickel (Ni), % 0 to 0.3
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0.8 to 1.2
0