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SAE-AISI H19 Steel vs. ACI-ASTM CN3M Steel

Both SAE-AISI H19 steel and ACI-ASTM CN3M steel are iron alloys. They have 53% 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 CN3M 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
80
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
500

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1540
1450
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 29
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 7.5
5.9
Embodied Energy, MJ/kg 110
80
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 13
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 68
17
Strength to Weight: Bending, points 22 to 43
17
Thermal Diffusivity, mm2/s 7.9
3.4
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
20 to 22
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
42.4 to 52.5
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.55
4.5 to 5.5
Nickel (Ni), % 0 to 0.3
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0 to 1.0
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