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ASTM A356 Grade 2 vs. SAE-AISI T15 Steel

Both ASTM A356 grade 2 and SAE-AISI T15 steel are iron alloys. They have 72% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 2 and the bottom bar is SAE-AISI T15 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 73
76
Tensile Strength: Ultimate (UTS), MPa 510
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1690
Melting Onset (Solidus), °C 1430
1640
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
43
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.5
16
Embodied Energy, MJ/kg 20
250
Embodied Water, L/kg 47
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 18
26 to 71
Strength to Weight: Bending, points 18
22 to 43
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 15
26 to 70

Alloy Composition

Carbon (C), % 0 to 0.25
1.5 to 1.6
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.7 to 99.55
67.5 to 73.5
Manganese (Mn), % 0 to 0.7
0.15 to 0.4
Molybdenum (Mo), % 0.45 to 0.65
0 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.6
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3