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AWS BAu-1 vs. EN 1.4309 Stainless Steel

AWS BAu-1 belongs to the otherwise unclassified metals classification, while EN 1.4309 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-1 and the bottom bar is EN 1.4309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 210
490

Thermal Properties

Latent Heat of Fusion, J/g 150
290
Melting Completion (Liquidus), °C 1020
1420
Melting Onset (Solidus), °C 990
1380
Specific Heat Capacity, J/kg-K 290
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 4.5
18
Strength to Weight: Bending, points 6.1
18
Thermal Shock Resistance, points 8.5
11

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 61.9 to 63
0
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
64.2 to 73
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.025
Residuals, % 0 to 0.15
0