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SAE-AISI H26 Steel vs. S39277 Stainless Steel

Both SAE-AISI H26 steel and S39277 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H26 steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
930

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1760
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.2
Embodied Energy, MJ/kg 120
59
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 34
43
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 22 to 63
33
Strength to Weight: Bending, points 19 to 39
27
Thermal Diffusivity, mm2/s 5.6
4.2
Thermal Shock Resistance, points 22 to 63
26

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.025
Chromium (Cr), % 3.8 to 4.5
24 to 26
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 73.3 to 77.5
56.8 to 64.3
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0020
Tungsten (W), % 17.3 to 19
0.8 to 1.2
Vanadium (V), % 0.75 to 1.3
0