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SAE-AISI T15 Steel vs. AWS E320LR

Both SAE-AISI T15 steel and AWS E320LR are iron alloys. They have 43% of their average alloy composition in common. There are 20 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 T15 steel and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1690
1410
Melting Onset (Solidus), °C 1640
1360
Specific Heat Capacity, J/kg-K 430
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 43
36
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 16
6.2
Embodied Energy, MJ/kg 250
87
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 27
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
20
Strength to Weight: Bending, points 22 to 43
19
Thermal Shock Resistance, points 26 to 70
15

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.030
Chromium (Cr), % 3.8 to 5.0
19 to 21
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 67.5 to 73.5
32.7 to 42.5
Manganese (Mn), % 0.15 to 0.4
1.5 to 2.5
Molybdenum (Mo), % 0 to 1.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0