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SAE-AISI T8 Steel vs. AWS E330H

Both SAE-AISI T8 steel and AWS E330H are iron alloys. They have 52% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T8 steel and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
690

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1730
1400
Melting Onset (Solidus), °C 1670
1350
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 18
12
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
30
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 10
5.4
Embodied Energy, MJ/kg 160
76
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 30
17
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
24
Strength to Weight: Bending, points 21 to 41
22
Thermal Diffusivity, mm2/s 4.8
3.2
Thermal Shock Resistance, points 24 to 66
19

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.35 to 0.45
Chromium (Cr), % 3.8 to 4.5
14 to 17
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 69.3 to 75.4
40.5 to 51.7
Manganese (Mn), % 0.2 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 0.4 to 1.0
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), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0