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AWS BAg-21 vs. SAE-AISI H12 Steel

AWS BAg-21 belongs to the otherwise unclassified metals classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (9, 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 H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
75
Tensile Strength: Ultimate (UTS), MPa 150
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Melting Completion (Liquidus), °C 800
1480
Melting Onset (Solidus), °C 690
1440
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Density, g/cm3 9.8
7.9
Embodied Energy, MJ/kg 970
41

Common Calculations

Stiffness to Weight: Axial, points 4.8
14
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 4.2
24 to 65
Strength to Weight: Bending, points 6.4
22 to 42
Thermal Shock Resistance, points 6.6
22 to 60

Alloy Composition


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Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 27.5 to 29.5
0 to 0.25
Iron (Fe), % 0
87.8 to 91.7
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 2.0 to 3.0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.0 to 7.0
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Residuals, % 0 to 0.15
0