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SAE-AISI T2 Steel vs. AWS ER90S-B9

Both SAE-AISI T2 steel and AWS ER90S-B9 are iron alloys. They have 79% 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 T2 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 79
75
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
690

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1820
1450
Melting Onset (Solidus), °C 1760
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 19
25
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 46
7.0
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 170
37
Embodied Water, L/kg 98
91

Common Calculations

PREN (Pitting Resistance) 36
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
25
Strength to Weight: Bending, points 20 to 40
22
Thermal Diffusivity, mm2/s 4.9
6.9
Thermal Shock Resistance, points 23 to 65
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.8 to 0.9
0.070 to 0.13
Chromium (Cr), % 3.8 to 4.5
8.0 to 10.5
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 70.8 to 75.8
84.4 to 90.7
Manganese (Mn), % 0.2 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), % 0.2 to 0.4
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0.15 to 0.3
Residuals, % 0
0 to 0.5