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SAE-AISI H26 Steel vs. S82012 Stainless Steel

Both SAE-AISI H26 steel and S82012 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 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 S82012 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
78
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
800

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1810
1430
Melting Onset (Solidus), °C 1760
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
11
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.1
2.4
Embodied Energy, MJ/kg 120
35
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 34
24
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 22 to 63
29
Strength to Weight: Bending, points 19 to 39
25
Thermal Diffusivity, mm2/s 5.6
3.9
Thermal Shock Resistance, points 22 to 63
23

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
19 to 20.5
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 73.3 to 77.5
71.3 to 77.9
Manganese (Mn), % 0.15 to 0.4
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0 to 0.3
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 17.3 to 19
0
Vanadium (V), % 0.75 to 1.3
0