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SAE-AISI T2 Steel vs. ASTM A369 Grade FP22

Both SAE-AISI T2 steel and ASTM A369 grade FP22 are iron alloys. They have 77% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T2 steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
470

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1820
1470
Melting Onset (Solidus), °C 1760
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 19
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 46
3.8
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 11
1.7
Embodied Energy, MJ/kg 170
23
Embodied Water, L/kg 98
58

Common Calculations

PREN (Pitting Resistance) 36
5.5
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
17
Strength to Weight: Bending, points 20 to 40
17
Thermal Diffusivity, mm2/s 4.9
11
Thermal Shock Resistance, points 23 to 65
14

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
1.9 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
95 to 96.9
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.87 to 1.1
Nickel (Ni), % 0 to 0.3
0
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 0.025
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0