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SAE-AISI H14 Steel vs. AWS E80C-B8

Both SAE-AISI H14 steel and AWS E80C-B8 are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
620

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
25
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
6.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 73
89

Common Calculations

PREN (Pitting Resistance) 13
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
22
Strength to Weight: Bending, points 22 to 44
21
Thermal Diffusivity, mm2/s 9.3
6.9
Thermal Shock Resistance, points 24 to 68
17

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.1
Chromium (Cr), % 4.8 to 5.5
8.0 to 10.5
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 86.5 to 89.9
85.5 to 90.6
Manganese (Mn), % 0.2 to 0.5
0.4 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.8 to 1.2
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 4.0 to 5.3
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5