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AWS E3155 vs. SAE-AISI T4 Steel

Both AWS E3155 and SAE-AISI T4 steel are iron alloys. They have 43% of their average alloy composition in common. 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 E3155 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 0.29
0.29
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 770
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1460
1810
Melting Onset (Solidus), °C 1410
1750
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 13
21
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
55
Density, g/cm3 8.4
9.4
Embodied Carbon, kg CO2/kg material 7.7
8.5
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 300
120

Common Calculations

PREN (Pitting Resistance) 35
37
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 26
24 to 64
Strength to Weight: Bending, points 22
20 to 39
Thermal Diffusivity, mm2/s 3.3
5.4
Thermal Shock Resistance, points 20
24 to 64

Alloy Composition

Carbon (C), % 0 to 0.1
0.7 to 0.8
Chromium (Cr), % 20 to 22.5
3.8 to 4.5
Cobalt (Co), % 18.5 to 21
4.3 to 5.8
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 23.3 to 36.3
66.3 to 72.3
Manganese (Mn), % 1.0 to 2.5
0.1 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
0.4 to 1.0
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2