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SAE-AISI T2 Steel vs. SAE-AISI D4 Steel

Both SAE-AISI T2 steel and SAE-AISI D4 steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T2 steel and the bottom bar is SAE-AISI D4 steel.

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
74
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
760 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1820
1430
Melting Onset (Solidus), °C 1760
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 19
31
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
8.0
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 170
49
Embodied Water, L/kg 98
100

Common Calculations

PREN (Pitting Resistance) 36
15
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
27 to 75
Strength to Weight: Bending, points 20 to 40
24 to 47
Thermal Diffusivity, mm2/s 4.9
8.3
Thermal Shock Resistance, points 23 to 65
23 to 63

Alloy Composition

Carbon (C), % 0.8 to 0.9
2.1 to 2.4
Chromium (Cr), % 3.8 to 4.5
11 to 13
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.8 to 75.8
80.6 to 86.3
Manganese (Mn), % 0.2 to 0.4
0 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.7 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0 to 1.0

Comparable Variants