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SAE-AISI H26 Steel vs. S20161 Stainless Steel

Both SAE-AISI H26 steel and S20161 stainless steel are iron alloys. They have 75% 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 S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
980

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Melting Completion (Liquidus), °C 1810
1380
Melting Onset (Solidus), °C 1760
1330
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
12
Density, g/cm3 9.3
7.5
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 120
39
Embodied Water, L/kg 90
130

Common Calculations

PREN (Pitting Resistance) 34
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
26
Strength to Weight: Axial, points 22 to 63
36
Strength to Weight: Bending, points 19 to 39
29
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 22 to 63
22

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
15 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.3 to 77.5
65.6 to 73.9
Manganese (Mn), % 0.15 to 0.4
4.0 to 6.0
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
3.0 to 4.0
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