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SAE-AISI H10 Steel vs. S21800 Stainless Steel

Both SAE-AISI H10 steel and S21800 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H10 steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 680 to 2030
740

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 48
45
Embodied Water, L/kg 71
150

Common Calculations

PREN (Pitting Resistance) 12
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24 to 72
27
Strength to Weight: Bending, points 22 to 46
24
Thermal Shock Resistance, points 22 to 66
17

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.1
Chromium (Cr), % 3.0 to 3.8
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.5 to 93.4
59.1 to 65.4
Manganese (Mn), % 0.25 to 0.7
7.0 to 9.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 0 to 0.3
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.8 to 1.2
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.25 to 0.75
0