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SAE-AISI H23 Steel vs. S21460 Stainless Steel

Both SAE-AISI H23 steel and S21460 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 20 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 S21460 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
77
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
830

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1680
1380
Melting Onset (Solidus), °C 1630
1330
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 6.9
3.0
Embodied Energy, MJ/kg 110
43
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 32
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 49
30
Strength to Weight: Bending, points 21 to 34
26
Thermal Shock Resistance, points 23 to 47
17

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.12
Chromium (Cr), % 11 to 12.8
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.3 to 76.7
57.3 to 63.7
Manganese (Mn), % 0.15 to 0.4
14 to 16
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.15 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0