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SS 347
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Background
Stainless steelsare iron based alloys containing at least 10.5% Chromium. They achieve their stainless characteristics through the formation of an invisible and adherent Chromium rich oxide film. Alloy 347 is a general purpose austeniticStainless steelwith a face centreed cubic structure. It is essentially non-magnetic in the annealed condition and can only be hardened by cold working. Niobium has been added to suppress grain boundary Chromium Carbide precipitation.
Key Properties
The key properties ofStainless Steel-Grade 347are tabulated below.Table 1.Key propertiesElectrical Properties
Electrical resistivity ( Ohm.cm )70-73
Mechanical Properties
Elongation at break ( % )