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SAE-AISI H19 Steel vs. SAE-AISI O6 Steel

Both SAE-AISI H19 steel and SAE-AISI O6 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 O6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
71
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1540
1430
Melting Onset (Solidus), °C 1490
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 29
43
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.3
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.5
1.5
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 110
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
24 to 74
Strength to Weight: Bending, points 22 to 43
22 to 47
Thermal Diffusivity, mm2/s 7.9
12
Thermal Shock Resistance, points 21 to 59
22 to 69

Alloy Composition

Carbon (C), % 0.32 to 0.45
1.3 to 1.6
Chromium (Cr), % 4.0 to 4.8
0 to 0.3
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
94.6 to 97.7
Manganese (Mn), % 0.2 to 0.5
0.3 to 1.1
Molybdenum (Mo), % 0.3 to 0.55
0.2 to 0.3
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0.55 to 1.5
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