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SAE-AISI T5 Steel vs. EN 1.8821 Steel

Both SAE-AISI T5 steel and EN 1.8821 steel are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is EN 1.8821 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 860 to 2140
530

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
49
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.3
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 11
1.6
Embodied Energy, MJ/kg 170
21
Embodied Water, L/kg 140
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25 to 63
19
Strength to Weight: Bending, points 21 to 39
19
Thermal Diffusivity, mm2/s 5.5
13
Thermal Shock Resistance, points 26 to 66
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.030
Carbon (C), % 0.75 to 0.85
0 to 0.14
Chromium (Cr), % 3.8 to 5.0
0
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 60.6 to 68.3
96.8 to 99.98
Manganese (Mn), % 0.2 to 0.4
0 to 1.6
Molybdenum (Mo), % 0.5 to 1.3
0 to 0.2
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.025
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 to 0.050
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0 to 0.1