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Annealed SAE-AISI T5 vs. Annealed AISI W2

Both annealed SAE-AISI T5 and annealed AISI W2 are iron alloys. Both are furnished in the annealed condition. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is annealed SAE-AISI T5 and the bottom bar is annealed AISI W2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 860
580

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1750
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
45
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.3
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 11
2.0
Embodied Energy, MJ/kg 170
29
Embodied Water, L/kg 140
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.85 to 1.5
Chromium (Cr), % 3.8 to 5.0
0 to 0.15
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 60.6 to 68.3
96.2 to 98.6
Manganese (Mn), % 0.2 to 0.4
0.35 to 0.74
Molybdenum (Mo), % 0.5 to 1.3
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 17.5 to 19
0 to 0.15
Vanadium (V), % 1.8 to 2.4
0.15 to 0.35