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ASTM A356 Grade 10 vs. SAE-AISI A2 Steel

Both ASTM A356 grade 10 and SAE-AISI A2 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 10 and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 670
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
38
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
5.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 23
38
Embodied Water, L/kg 59
73

Common Calculations

PREN (Pitting Resistance) 5.9
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
25 to 73
Strength to Weight: Bending, points 22
23 to 46
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 19
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.2
1.0 to 1.1
Chromium (Cr), % 2.0 to 2.8
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 94.4 to 96.6
89.4 to 93.3
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.15 to 0.5