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SAE-AISI H14 Steel vs. ACI-ASTM CA28MWV Steel

Both SAE-AISI H14 steel and ACI-ASTM CA28MWV steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 CA28MWV 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
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
1080

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1470
Melting Onset (Solidus), °C 1490
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 73
100

Common Calculations

PREN (Pitting Resistance) 13
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
38
Strength to Weight: Bending, points 22 to 44
30
Thermal Diffusivity, mm2/s 9.3
6.6
Thermal Shock Resistance, points 24 to 68
40

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.2 to 0.28
Chromium (Cr), % 4.8 to 5.5
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
81.4 to 85.8
Manganese (Mn), % 0.2 to 0.5
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0 to 0.3
0.5 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 5.3
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3