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SAE-AISI H26 Steel vs. SAE-AISI 8620 Steel

Both SAE-AISI H26 steel and SAE-AISI 8620 steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 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 H26 steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
520 to 690

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1760
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.6
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.5
Embodied Energy, MJ/kg 120
20
Embodied Water, L/kg 90
50

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 22 to 63
18 to 24
Strength to Weight: Bending, points 19 to 39
18 to 22
Thermal Diffusivity, mm2/s 5.6
10
Thermal Shock Resistance, points 22 to 63
15 to 20

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.18 to 0.23
Chromium (Cr), % 3.8 to 4.5
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.3 to 77.5
96.9 to 98
Manganese (Mn), % 0.15 to 0.4
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.3
0.4 to 0.7
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 17.3 to 19
0
Vanadium (V), % 0.75 to 1.3
0

Comparable Variants