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SAE-AISI H26 Steel vs. AISI 422 Stainless Steel

Both SAE-AISI H26 steel and AISI 422 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H26 steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1810
1480
Melting Onset (Solidus), °C 1760
1470
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 22
24
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 45
11
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.1
3.1
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 34
17
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 22 to 63
32 to 38
Strength to Weight: Bending, points 19 to 39
26 to 30
Thermal Diffusivity, mm2/s 5.6
6.4
Thermal Shock Resistance, points 22 to 63
33 to 39

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.2 to 0.25
Chromium (Cr), % 3.8 to 4.5
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.3 to 77.5
81.9 to 85.8
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0 to 0.3
0.5 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 17.3 to 19
0.9 to 1.3
Vanadium (V), % 0.75 to 1.3
0.2 to 0.3

Comparable Variants