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ACI-ASTM CB7Cu-2 Steel vs. SAE-AISI H19 Steel

Both ACI-ASTM CB7Cu-2 steel and SAE-AISI H19 steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-2 steel and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1430
1540
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
29
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
7.5
Embodied Energy, MJ/kg 38
110
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 15
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
24 to 68
Strength to Weight: Bending, points 28 to 35
22 to 43
Thermal Diffusivity, mm2/s 4.6
7.9
Thermal Shock Resistance, points 32 to 45
21 to 59

Alloy Composition

Carbon (C), % 0 to 0.070
0.32 to 0.45
Chromium (Cr), % 14 to 15.5
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 2.5 to 3.2
0 to 0.25
Iron (Fe), % 73.6 to 79
81.4 to 85.5
Manganese (Mn), % 0 to 0.7
0.2 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 4.5 to 5.5
0 to 0.3
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2