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SAE-AISI H19 Steel vs. SAE-AISI P3 Steel

Both SAE-AISI H19 steel and SAE-AISI P3 steel are iron alloys. They have 85% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is SAE-AISI P3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
410 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1490
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 29
46
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.8
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.5
1.5
Embodied Energy, MJ/kg 110
20
Embodied Water, L/kg 110
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 68
15 to 70
Strength to Weight: Bending, points 22 to 43
16 to 44
Thermal Diffusivity, mm2/s 7.9
12
Thermal Shock Resistance, points 21 to 59
14 to 65

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.1
Chromium (Cr), % 4.0 to 4.8
0.4 to 0.75
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 81.4 to 85.5
96.3 to 98.4
Manganese (Mn), % 0.2 to 0.5
0.2 to 0.6
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0 to 0.3
1.0 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants