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EN 1.3963 Alloy vs. SAE-AISI T4 Steel

Both EN 1.3963 alloy and SAE-AISI T4 steel are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 440
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1810
Melting Onset (Solidus), °C 1390
1750
Specific Heat Capacity, J/kg-K 460
410
Thermal Expansion, µm/m-K 1.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
55
Density, g/cm3 8.2
9.4
Embodied Carbon, kg CO2/kg material 4.8
8.5
Embodied Energy, MJ/kg 66
130
Embodied Water, L/kg 110
120

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 15
24 to 64
Strength to Weight: Bending, points 16
20 to 39
Thermal Shock Resistance, points 110
24 to 64

Alloy Composition

Carbon (C), % 0 to 0.050
0.7 to 0.8
Chromium (Cr), % 0 to 0.25
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.5 to 64.9
66.3 to 72.3
Manganese (Mn), % 0 to 0.5
0.1 to 0.4
Molybdenum (Mo), % 0 to 1.0
0.4 to 1.0
Nickel (Ni), % 35 to 37
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.4
Sulfur (S), % 0.1 to 0.2
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2