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SAE-AISI H23 Steel vs. S45500 Stainless Steel

Both SAE-AISI H23 steel and S45500 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 20 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 H23 steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1680
1440
Melting Onset (Solidus), °C 1630
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 6.9
3.8
Embodied Energy, MJ/kg 110
57
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 32
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 49
48 to 65
Strength to Weight: Bending, points 21 to 34
35 to 42
Thermal Shock Resistance, points 23 to 47
48 to 64

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.050
Chromium (Cr), % 11 to 12.8
11 to 12.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 71.3 to 76.7
71.5 to 79.2
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0

Comparable Variants