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SAE-AISI H22 Steel vs. N08811 Stainless Steel

Both SAE-AISI H22 steel and N08811 stainless steel are iron alloys. They have 49% 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 H22 steel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1670
1390
Melting Onset (Solidus), °C 1620
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 4.9
5.3
Embodied Energy, MJ/kg 73
76
Embodied Water, L/kg 72
200

Common Calculations

PREN (Pitting Resistance) 21
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 61
18
Strength to Weight: Bending, points 20 to 39
18
Thermal Diffusivity, mm2/s 8.2
3.0
Thermal Shock Resistance, points 22 to 60
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.3 to 0.4
0.060 to 0.1
Chromium (Cr), % 1.8 to 3.8
19 to 23
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 82.2 to 87.4
39.5 to 50.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0