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SAE-AISI H23 Steel vs. S82012 Stainless Steel

Both SAE-AISI H23 steel and S82012 stainless steel are iron alloys. They have 87% 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 H23 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
800

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1680
1430
Melting Onset (Solidus), °C 1630
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 6.9
2.4
Embodied Energy, MJ/kg 110
35
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 32
24
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 49
29
Strength to Weight: Bending, points 21 to 34
25
Thermal Diffusivity, mm2/s 5.2
3.9
Thermal Shock Resistance, points 23 to 47
23

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.050
Chromium (Cr), % 11 to 12.8
19 to 20.5
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 71.3 to 76.7
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 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0