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SAE-AISI T4 Steel vs. EN 1.8201 Steel

Both SAE-AISI T4 steel and EN 1.8201 steel are iron alloys. They have 74% 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 1.8201 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
630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1810
1500
Melting Onset (Solidus), °C 1750
1450
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
7.0
Density, g/cm3 9.4
8.0
Embodied Carbon, kg CO2/kg material 8.5
2.5
Embodied Energy, MJ/kg 130
36
Embodied Water, L/kg 120
59

Common Calculations

PREN (Pitting Resistance) 37
5.7
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 24 to 64
22
Strength to Weight: Bending, points 20 to 39
20
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 24 to 64
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.7 to 0.8
0.040 to 0.1
Chromium (Cr), % 3.8 to 4.5
1.9 to 2.6
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
93.6 to 96.2
Manganese (Mn), % 0.1 to 0.4
0.1 to 0.6
Molybdenum (Mo), % 0.4 to 1.0
0.050 to 0.3
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 17.5 to 19
1.5 to 1.8
Vanadium (V), % 0.8 to 1.2
0.2 to 0.3