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SAE-AISI T4 Steel vs. EN 1.7201 Steel

Both SAE-AISI T4 steel and EN 1.7201 steel are iron alloys. They have 71% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, 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 1.7201 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
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
430 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 250
250
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
45
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.5
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 120
51

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 24 to 64
15 to 46
Strength to Weight: Bending, points 20 to 39
16 to 34
Thermal Diffusivity, mm2/s 5.4
12
Thermal Shock Resistance, points 24 to 64
13 to 38

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.1 to 0.15
Chromium (Cr), % 3.8 to 4.5
0.9 to 1.2
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 66.3 to 72.3
96.9 to 98.3
Manganese (Mn), % 0.1 to 0.4
0.6 to 0.9
Molybdenum (Mo), % 0.4 to 1.0
0.15 to 0.25
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 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0

Comparable Variants