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SAE-AISI H19 Steel vs. AISI 422 Stainless Steel

Both SAE-AISI H19 steel and AISI 422 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1540
1480
Melting Onset (Solidus), °C 1490
1470
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 29
24
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.1
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 13
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
32 to 38
Strength to Weight: Bending, points 22 to 43
26 to 30
Thermal Diffusivity, mm2/s 7.9
6.4
Thermal Shock Resistance, points 21 to 59
33 to 39

Alloy Composition

Carbon (C), % 0.32 to 0.45
0.2 to 0.25
Chromium (Cr), % 4.0 to 4.8
11 to 12.5
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
81.9 to 85.8
Manganese (Mn), % 0.2 to 0.5
0.5 to 1.0
Molybdenum (Mo), % 0.3 to 0.55
0.9 to 1.3
Nickel (Ni), % 0 to 0.3
0.5 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 3.8 to 4.5
0.9 to 1.3
Vanadium (V), % 1.8 to 2.2
0.2 to 0.3

Comparable Variants