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SAE-AISI T15 Steel vs. AWS ER90S-B3

Both SAE-AISI T15 steel and AWS ER90S-B3 are iron alloys. They have 74% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, 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 ER90S-B3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
690

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1690
1460
Melting Onset (Solidus), °C 1640
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
4.1
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 16
1.8
Embodied Energy, MJ/kg 250
24
Embodied Water, L/kg 140
60

Common Calculations

PREN (Pitting Resistance) 27
6.0
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
25
Strength to Weight: Bending, points 22 to 43
22
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 26 to 70
20

Alloy Composition

Carbon (C), % 1.5 to 1.6
0.070 to 0.12
Chromium (Cr), % 3.8 to 5.0
2.3 to 2.7
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 67.5 to 73.5
93.5 to 95.9
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.7
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0.4 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0
Residuals, % 0
0 to 0.5