Metallography Testing Service in Chennai

Metallography Test

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  1. Products   Ferrous, Nonferrous, Structural Materials, Pipe, Metallic coatings, Bronze and Brass. Parameters :   ü  Failure Analysis ü  Corrosion Resistance ü  Decarburization ü  Internal defects ü  Coating Thickness ü  Grain Size ü  Inclusion Rating ü  Grain Size  ü  Wall Thickness ü  Microstructure ü  Case Depth ü  Surface defects ü  Salt Spray test  The sample is subjected to accelerated corrosion in various corrosive equipments and the impact of the corrosion in estimated in the material by way of mechanical testing or loss of weight. Intergranular Corrosion test as per ASTM A 262 Practice A (Oxalic Acid Etch Test) Practice B (Ferrous Sulphate-sulphuric acid) Practice C (Boiling in Nitric Acid) Practice E (Copper Sulphate-Sulphuric Acid 15hrs.) Practice F (Copper Sulphate-Sulphuric Acid 72hrs) Pitting Corrosion Test as per ASTM G48 Salt Spray Test per ASTM B117   Stress-Corrosion Cracking test as per ASTM G35