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S31100 Stainless Steel vs. SAE-AISI H13 Steel

Both S31100 stainless steel and SAE-AISI H13 steel are iron alloys. They have 73% 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 S31100 stainless steel and the bottom bar is SAE-AISI H13 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 1000
690 to 1820

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
6.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 44
64
Embodied Water, L/kg 170
78

Common Calculations

PREN (Pitting Resistance) 26
9.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36
25 to 65
Strength to Weight: Bending, points 29
22 to 43
Thermal Diffusivity, mm2/s 4.2
7.8
Thermal Shock Resistance, points 28
25 to 65

Alloy Composition

Carbon (C), % 0 to 0.060
0.32 to 0.45
Chromium (Cr), % 25 to 27
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63.6 to 69
88.8 to 92
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0
1.1 to 1.8
Nickel (Ni), % 6.0 to 7.0
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.8 to 1.2