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ASTM B522 Class II vs. SAE-AISI D3 Steel

ASTM B522 class II belongs to the otherwise unclassified metals classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B522 class II and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
190
Elongation at Break, % 1.1 to 28
9.8 to 15
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 34
74
Shear Strength, MPa 180 to 280
470 to 1220
Tensile Strength: Ultimate (UTS), MPa 280 to 490
770 to 2050
Tensile Strength: Yield (Proof), MPa 120 to 210
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 77
270
Melting Completion (Liquidus), °C 1030
1430
Melting Onset (Solidus), °C 1030
1390
Specific Heat Capacity, J/kg-K 160
480
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
3.5

Otherwise Unclassified Properties

Density, g/cm3 17
7.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 63
97 to 180
Stiffness to Weight: Axial, points 3.1
14
Stiffness to Weight: Bending, points 8.9
25
Strength to Weight: Axial, points 4.4 to 7.8
28 to 74
Strength to Weight: Bending, points 5.5 to 8.0
24 to 47
Thermal Shock Resistance, points 13 to 24
23 to 63

Alloy Composition

Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0
11 to 13.5
Copper (Cu), % 0
0 to 0.25
Gold (Au), % 68.5 to 69.5
0
Iron (Fe), % 0
80.3 to 87
Manganese (Mn), % 0
0 to 0.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Platinum (Pt), % 5.5 to 6.5
0
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Residuals, % 0 to 0.26
0

Comparable Variants