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SAE-AISI T4 Steel vs. SAE-AISI D5 Steel

Both SAE-AISI T4 steel and SAE-AISI D5 steel 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 (4, 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 D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1810
1430
Melting Onset (Solidus), °C 1750
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 21
27
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 9.4
7.7
Embodied Carbon, kg CO2/kg material 8.5
3.5
Embodied Energy, MJ/kg 130
51
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 37
15
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 24 to 64
28 to 73
Strength to Weight: Bending, points 20 to 39
24 to 46
Thermal Diffusivity, mm2/s 5.4
7.4
Thermal Shock Resistance, points 24 to 64
26 to 67

Alloy Composition

Carbon (C), % 0.7 to 0.8
1.4 to 1.6
Chromium (Cr), % 3.8 to 4.5
11 to 13
Cobalt (Co), % 4.3 to 5.8
2.5 to 3.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 66.3 to 72.3
77.9 to 84.4
Manganese (Mn), % 0.1 to 0.4
0 to 0.6
Molybdenum (Mo), % 0.4 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), % 0.8 to 1.2
0 to 1.0

Comparable Variants