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SAE-AISI T2 Steel vs. SAE-AISI T1 Steel

Both SAE-AISI T2 steel and SAE-AISI T1 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI T2 steel and the bottom bar is SAE-AISI T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Melting Completion (Liquidus), °C 1820
1810
Melting Onset (Solidus), °C 1760
1750
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 19
20
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
45
Density, g/cm3 9.3
9.3
Embodied Carbon, kg CO2/kg material 11
8.2
Embodied Energy, MJ/kg 170
130
Embodied Water, L/kg 98
90

Common Calculations

PREN (Pitting Resistance) 36
34
Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 21
21
Strength to Weight: Axial, points 23 to 64
23 to 64
Strength to Weight: Bending, points 20 to 40
20 to 40
Thermal Diffusivity, mm2/s 4.9
5.2
Thermal Shock Resistance, points 23 to 65
23 to 64

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.65 to 0.8
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.8 to 75.8
73.2 to 77.2
Manganese (Mn), % 0.2 to 0.4
0.1 to 0.4
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
17.3 to 18.8
Vanadium (V), % 1.8 to 2.4
0.9 to 1.3

Comparable Variants