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SAE-AISI H13 Steel vs. S44800 Stainless Steel

Both SAE-AISI H13 steel and S44800 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H13 steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
82
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 29
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.8
Embodied Energy, MJ/kg 64
52
Embodied Water, L/kg 78
190

Common Calculations

PREN (Pitting Resistance) 9.9
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 65
21
Strength to Weight: Bending, points 22 to 43
20
Thermal Diffusivity, mm2/s 7.8
4.6
Thermal Shock Resistance, points 25 to 65
19

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.010
Chromium (Cr), % 4.8 to 5.5
28 to 30
Copper (Cu), % 0 to 0.25
0 to 0.15
Iron (Fe), % 88.8 to 92
62.6 to 66.5
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Molybdenum (Mo), % 1.1 to 1.8
3.5 to 4.2
Nickel (Ni), % 0 to 0.3
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.8 to 1.2
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.8 to 1.2
0