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AWS BAu-5 vs. ASTM Grade HG10 MNN Steel

AWS BAu-5 belongs to the otherwise unclassified metals classification, while ASTM grade HG10 MNN 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 BAu-5 and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 50
77
Tensile Strength: Ultimate (UTS), MPa 210
590

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Melting Completion (Liquidus), °C 1170
1420
Melting Onset (Solidus), °C 1140
1370
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Stiffness to Weight: Axial, points 5.8
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 4.5
21
Strength to Weight: Bending, points 6.0
20
Thermal Shock Resistance, points 9.0
13

Alloy Composition

Carbon (C), % 0
0.070 to 0.11
Chromium (Cr), % 0
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
57.9 to 66.5
Manganese (Mn), % 0
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 35.5 to 36.4
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Palladium (Pd), % 33.5 to 34.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0