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SAE-AISI H14 Steel vs. ACI-ASTM CD4MCuN Steel

Both SAE-AISI H14 steel and ACI-ASTM CD4MCuN steel are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
770

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1530
1420
Melting Onset (Solidus), °C 1490
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 39
49
Embodied Water, L/kg 73
180

Common Calculations

PREN (Pitting Resistance) 13
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
28
Strength to Weight: Bending, points 22 to 44
24
Thermal Diffusivity, mm2/s 9.3
4.5
Thermal Shock Resistance, points 24 to 68
21

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.040
Chromium (Cr), % 4.8 to 5.5
24.5 to 26.5
Copper (Cu), % 0 to 0.25
2.7 to 3.3
Iron (Fe), % 86.5 to 89.9
59.5 to 66.3
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 0 to 0.3
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 4.0 to 5.3
0