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AWS BAg-2a vs. ASTM Grade HC Steel

AWS BAg-2a belongs to the otherwise unclassified metals classification, while ASTM grade HC steel belongs to the iron alloys. There are 17 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 AWS BAg-2a and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 31
80
Tensile Strength: Ultimate (UTS), MPa 170
430

Thermal Properties

Latent Heat of Fusion, J/g 130
310
Melting Completion (Liquidus), °C 710
1410
Melting Onset (Solidus), °C 610
1370
Specific Heat Capacity, J/kg-K 310
490
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.6
Embodied Carbon, kg CO2/kg material 30
2.8
Embodied Energy, MJ/kg 470
40

Common Calculations

Stiffness to Weight: Axial, points 5.2
15
Stiffness to Weight: Bending, points 17
26
Strength to Weight: Axial, points 5.4
16
Strength to Weight: Bending, points 7.8
16
Thermal Shock Resistance, points 6.5
14

Alloy Composition

Cadmium (Cd), % 19 to 21
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 26 to 28
0
Iron (Fe), % 0
61.9 to 74
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 21 to 25
0
Residuals, % 0 to 0.15
0