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AWS BVAg-29 vs. ASTM Grade HT Steel

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while ASTM grade HT steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-29 and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180
500

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 710
1390
Melting Onset (Solidus), °C 620
1340
Specific Heat Capacity, J/kg-K 270
480
Thermal Expansion, µm/m-K 20
15

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.0

Common Calculations

Stiffness to Weight: Axial, points 4.2
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 5.2
18
Strength to Weight: Bending, points 7.3
18
Thermal Shock Resistance, points 8.8
12

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.35 to 0.75
Chromium (Cr), % 0
15 to 19
Copper (Cu), % 22.5 to 25.5
0
Indium (In), % 14 to 15
0
Iron (Fe), % 0
38.2 to 51.7
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 2.5
Silver (Ag), % 60.5 to 62.5
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.0010
0