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SAE-AISI T1 Steel vs. SAE-AISI 1055 Steel

Both SAE-AISI T1 steel and SAE-AISI 1055 steel are iron alloys. They have 76% 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 T1 steel and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
730 to 750

Thermal Properties

Latent Heat of Fusion, J/g 240
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 20
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
1.8
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 130
18
Embodied Water, L/kg 90
46

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
26
Strength to Weight: Bending, points 20 to 40
23
Thermal Diffusivity, mm2/s 5.2
14
Thermal Shock Resistance, points 23 to 64
23 to 24

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.5 to 0.6
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
98.4 to 98.9
Manganese (Mn), % 0.1 to 0.4
0.6 to 0.9
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0