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ASTM B522 Class I vs. SAE-AISI T15 Steel

ASTM B522 class I belongs to the otherwise unclassified metals classification, while SAE-AISI T15 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM B522 class I and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
200
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 34
76
Tensile Strength: Ultimate (UTS), MPa 280 to 490
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 77
250
Melting Completion (Liquidus), °C 1030
1690
Melting Onset (Solidus), °C 1030
1640
Specific Heat Capacity, J/kg-K 160
430
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Density, g/cm3 17
8.7

Common Calculations

Stiffness to Weight: Axial, points 3.1
13
Stiffness to Weight: Bending, points 8.9
22
Strength to Weight: Axial, points 4.4 to 7.8
26 to 71
Strength to Weight: Bending, points 5.5 to 8.0
22 to 43
Thermal Shock Resistance, points 13 to 24
26 to 70

Alloy Composition

Carbon (C), % 0
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
Gold (Au), % 68 to 70
0
Iron (Fe), % 0
67.5 to 73.5
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Platinum (Pt), % 5.0 to 7.0
0
Silicon (Si), % 0
0.15 to 0.4
Silver (Ag), % 23.5 to 26.5
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Residuals, % 0 to 0.35
0

Comparable Variants