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SAE-AISI A8 Steel vs. AWS E330H

Both SAE-AISI A8 steel and AWS E330H are iron alloys. They have 53% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
690

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
12
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
30
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.3
5.4
Embodied Energy, MJ/kg 31
76
Embodied Water, L/kg 73
180

Common Calculations

PREN (Pitting Resistance) 12
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 68
24
Strength to Weight: Bending, points 22 to 44
22
Thermal Diffusivity, mm2/s 9.9
3.2
Thermal Shock Resistance, points 22 to 62
19

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.35 to 0.45
Chromium (Cr), % 4.8 to 5.5
14 to 17
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 88.5 to 91.9
40.5 to 51.7
Manganese (Mn), % 0 to 0.5
1.0 to 2.5
Molybdenum (Mo), % 1.2 to 1.7
0 to 0.75
Nickel (Ni), % 0 to 0.3
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.75 to 1.1
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.5
0