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SAE-AISI T4 Steel vs. SAE-AISI P6 Steel

Both SAE-AISI T4 steel and SAE-AISI P6 steel are iron alloys. They have 72% of their average alloy composition in common. There are 21 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 T4 steel and the bottom bar is SAE-AISI P6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
630 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1750
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
43
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
4.6
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.8
Embodied Energy, MJ/kg 130
24
Embodied Water, L/kg 120
59

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 24 to 64
22 to 68
Strength to Weight: Bending, points 20 to 39
21 to 44
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 24 to 64
21 to 63

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
1.3 to 1.8
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 66.3 to 72.3
92.9 to 95
Manganese (Mn), % 0.1 to 0.4
0.35 to 0.7
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
3.3 to 3.8
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0

Comparable Variants