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SAE-AISI T4 Steel vs. EN 1.7366 Steel

Both SAE-AISI T4 steel and EN 1.7366 steel are iron alloys. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T4 steel and the bottom bar is EN 1.7366 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
74
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
460 to 710

Thermal Properties

Latent Heat of Fusion, J/g 250
260
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
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
4.3
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.7
Embodied Energy, MJ/kg 130
23
Embodied Water, L/kg 120
69

Common Calculations

PREN (Pitting Resistance) 37
6.8
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 24 to 64
16 to 25
Strength to Weight: Bending, points 20 to 39
17 to 23
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 24 to 64
13 to 20

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.18
Chromium (Cr), % 3.8 to 4.5
4.0 to 6.0
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
91.9 to 95.3
Manganese (Mn), % 0.1 to 0.4
0.3 to 0.8
Molybdenum (Mo), % 0.4 to 1.0
0.45 to 0.65
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0

Comparable Variants