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AWS BAg-21 vs. SAE-AISI T15 Steel

AWS BAg-21 belongs to the otherwise unclassified metals classification, while SAE-AISI T15 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
200
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
76
Tensile Strength: Ultimate (UTS), MPa 150
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 800
1690
Melting Onset (Solidus), °C 690
1640
Specific Heat Capacity, J/kg-K 280
430
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.7
Embodied Energy, MJ/kg 970
250

Common Calculations

Stiffness to Weight: Axial, points 4.8
13
Stiffness to Weight: Bending, points 15
22
Strength to Weight: Axial, points 4.2
26 to 71
Strength to Weight: Bending, points 6.4
22 to 43
Thermal Shock Resistance, points 6.6
26 to 70

Alloy Composition


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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), % 27.5 to 29.5
0 to 0.25
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), % 2.0 to 3.0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.0 to 7.0
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Residuals, % 0 to 0.15
0