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S33550 Stainless Steel vs. SAE-AISI H23 Steel

Both S33550 stainless steel and SAE-AISI H23 steel are iron alloys. They have 66% of their average alloy composition in common. There are 22 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 S33550 stainless steel and the bottom bar is SAE-AISI H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 680
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1400
1680
Melting Onset (Solidus), °C 1360
1630
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 4.3
6.9
Embodied Energy, MJ/kg 61
110
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 30
32
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
24 to 49
Strength to Weight: Bending, points 22
21 to 34
Thermal Diffusivity, mm2/s 3.9
5.2
Thermal Shock Resistance, points 15
23 to 47

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.25 to 0.35
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
11 to 12.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 48.8 to 58.2
71.3 to 76.7
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Nickel (Ni), % 16.5 to 20
0 to 0.3
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0
0.75 to 1.3