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SAE-AISI H22 Steel vs. AISI 440C Stainless Steel

Both SAE-AISI H22 steel and AISI 440C stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
710 to 1970

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1670
1480
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 31
22
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 4.9
2.2
Embodied Energy, MJ/kg 73
31
Embodied Water, L/kg 72
120

Common Calculations

PREN (Pitting Resistance) 21
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
26 to 71
Strength to Weight: Bending, points 20 to 39
23 to 46
Thermal Diffusivity, mm2/s 8.2
6.0
Thermal Shock Resistance, points 22 to 60
26 to 71

Alloy Composition

Carbon (C), % 0.3 to 0.4
1.0 to 1.2
Chromium (Cr), % 1.8 to 3.8
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
78 to 83.1
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0

Comparable Variants