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EN 1.4646 Stainless Steel vs. AWS BAg-8a

EN 1.4646 stainless steel belongs to the iron alloys classification, while AWS BAg-8a belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 750
150

Thermal Properties

Latent Heat of Fusion, J/g 290
140
Melting Completion (Liquidus), °C 1390
770
Melting Onset (Solidus), °C 1340
770
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.6
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 27
4.2
Strength to Weight: Bending, points 24
6.3
Thermal Shock Resistance, points 16
6.7

Alloy Composition

Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 1.5 to 3.0
26.4 to 28.8
Iron (Fe), % 59 to 67.3
0
Lithium (Li), % 0
0.25 to 0.5
Manganese (Mn), % 10.5 to 12.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.15