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SAE-AISI T4 Steel vs. EN 1.3555 Steel

Both SAE-AISI T4 steel and EN 1.3555 steel are iron alloys. They have 76% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (6, 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 1.3555 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
75
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
770

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1810
1500
Melting Onset (Solidus), °C 1750
1450
Specific Heat Capacity, J/kg-K 410
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 8.5
5.6
Embodied Energy, MJ/kg 130
81
Embodied Water, L/kg 120
90

Common Calculations

PREN (Pitting Resistance) 37
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 24 to 64
27
Strength to Weight: Bending, points 20 to 39
23
Thermal Shock Resistance, points 24 to 64
22

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.1 to 0.15
Chromium (Cr), % 3.8 to 4.5
3.9 to 4.3
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 66.3 to 72.3
85.4 to 87.7
Manganese (Mn), % 0.1 to 0.4
0.15 to 0.35
Molybdenum (Mo), % 0.4 to 1.0
4.0 to 4.5
Nickel (Ni), % 0 to 0.3
3.2 to 3.6
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.4
0.1 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 17.5 to 19
0 to 0.15
Vanadium (V), % 0.8 to 1.2
1.0 to 1.3