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SAE-AISI 1070 Steel vs. SAE-AISI T2 Steel

Both SAE-AISI 1070 steel and SAE-AISI T2 steel are iron alloys. They have 74% 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 1070 steel and the bottom bar is SAE-AISI T2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 640 to 760
780 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1820
Melting Onset (Solidus), °C 1420
1760
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 50
19
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
46
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.4
11
Embodied Energy, MJ/kg 19
170
Embodied Water, L/kg 46
98

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 23 to 27
23 to 64
Strength to Weight: Bending, points 21 to 24
20 to 40
Thermal Diffusivity, mm2/s 14
4.9
Thermal Shock Resistance, points 21 to 25
23 to 65

Alloy Composition

Carbon (C), % 0.65 to 0.75
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.3 to 98.8
70.8 to 75.8
Manganese (Mn), % 0.6 to 0.9
0.2 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4