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AWS E383 vs. SAE-AISI T4 Steel

Both AWS E383 and SAE-AISI T4 steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 AWS E383 and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 580
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1420
1810
Melting Onset (Solidus), °C 1370
1750
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
55
Density, g/cm3 8.1
9.4
Embodied Carbon, kg CO2/kg material 6.4
8.5
Embodied Energy, MJ/kg 89
130
Embodied Water, L/kg 240
120

Common Calculations

PREN (Pitting Resistance) 40
37
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 20
24 to 64
Strength to Weight: Bending, points 19
20 to 39
Thermal Diffusivity, mm2/s 3.1
5.4
Thermal Shock Resistance, points 15
24 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 0.8
Chromium (Cr), % 26.5 to 29
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0.6 to 1.5
0 to 0.25
Iron (Fe), % 28.8 to 39.2
66.3 to 72.3
Manganese (Mn), % 0.5 to 2.5
0.1 to 0.4
Molybdenum (Mo), % 3.2 to 4.2
0.4 to 1.0
Nickel (Ni), % 30 to 33
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.9
0.2 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2