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SAE-AISI T15 Steel vs. AWS ER90S-B9

Both SAE-AISI T15 steel and AWS ER90S-B9 are iron alloys. They have 77% 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-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
690

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1690
1450
Melting Onset (Solidus), °C 1640
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
7.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 16
2.6
Embodied Energy, MJ/kg 250
37
Embodied Water, L/kg 140
91

Common Calculations

PREN (Pitting Resistance) 27
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26 to 71
25
Strength to Weight: Bending, points 22 to 43
22
Thermal Diffusivity, mm2/s 5.6
6.9
Thermal Shock Resistance, points 26 to 70
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 1.5 to 1.6
0.070 to 0.13
Chromium (Cr), % 3.8 to 5.0
8.0 to 10.5
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 67.5 to 73.5
84.4 to 90.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.2
Molybdenum (Mo), % 0 to 1.0
0.85 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.15 to 0.4
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0.15 to 0.3
Residuals, % 0
0 to 0.5