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SAE-AISI T6 Steel vs. AWS E120C-K4

Both SAE-AISI T6 steel and AWS E120C-K4 are iron alloys. They have 62% of their average alloy composition in common. There are 21 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 T6 steel and the bottom bar is AWS E120C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
950

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1830
1460
Melting Onset (Solidus), °C 1770
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 18
41
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.5
Density, g/cm3 9.5
7.8
Embodied Carbon, kg CO2/kg material 11
1.7
Embodied Energy, MJ/kg 170
23
Embodied Water, L/kg 160
54

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 26 to 63
34
Strength to Weight: Bending, points 21 to 39
27
Thermal Diffusivity, mm2/s 4.7
11
Thermal Shock Resistance, points 26 to 64
28

Alloy Composition


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Carbon (C), % 0.75 to 0.85
0 to 0.15
Chromium (Cr), % 4.0 to 4.8
0.15 to 0.65
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 55.9 to 63.5
92.1 to 98.4
Manganese (Mn), % 0.2 to 0.4
0.75 to 2.3
Molybdenum (Mo), % 0.4 to 1.0
0.25 to 0.65
Nickel (Ni), % 0 to 0.3
0.5 to 2.5
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0 to 0.030
Residuals, % 0
0 to 0.5