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SAE-AISI H13 Steel vs. S44537 Stainless Steel

Both SAE-AISI H13 steel and S44537 stainless steel are iron alloys. They have 80% 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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
510

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 29
21
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
7.9
Embodied Carbon, kg CO2/kg material 4.3
3.4
Embodied Energy, MJ/kg 64
50
Embodied Water, L/kg 78
140

Common Calculations

PREN (Pitting Resistance) 9.9
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 65
18
Strength to Weight: Bending, points 22 to 43
18
Thermal Diffusivity, mm2/s 7.8
5.6
Thermal Shock Resistance, points 25 to 65
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
20 to 24
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 88.8 to 92
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.2 to 0.5
0 to 0.8
Molybdenum (Mo), % 1.1 to 1.8
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.8 to 1.2
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Vanadium (V), % 0.8 to 1.2
0