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SAE-AISI H19 Steel vs. ACI-ASTM CF3 Steel

Both SAE-AISI H19 steel and ACI-ASTM CF3 steel are iron alloys. They have 74% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is ACI-ASTM CF3 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
77
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
510

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1540
1420
Melting Onset (Solidus), °C 1490
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 29
16
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.5
3.2
Embodied Energy, MJ/kg 110
45
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 13
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
18
Strength to Weight: Bending, points 22 to 43
18
Thermal Diffusivity, mm2/s 7.9
4.3
Thermal Shock Resistance, points 21 to 59
11

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.0 to 4.8
17 to 21
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
62.9 to 75
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.55
0 to 0.5
Nickel (Ni), % 0 to 0.3
8.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0