When a metal comes in contact of an oxidizing gas at high temperature, it is corroded by direct reaction with gas that even doesn’t need an electrolyte. This kind of corrosion is known as tarnishing, high temperature oxidation and scaling. The corrosion rate increases considerably with  increase in temperature in case of general steels and … Continue reading High temperature corrosion- Which materials can withstand

Anhydrous hydrogen fluoride and hydrofluoric acid are widely used in the industrial applications. Hydrofluoric acid is used in pickling of stainless steels, acid processing wells, glass etching, development of aluminium fluoride, synthetic cryolite for aluminium development, production of fluorinated organics like aerosol propellants, special purpose solvents, plastics, refrigerants and development of fluorides and fluoborates. Aqueous … Continue reading Which alloy is best for use in hydrofluoric acid applications?

Additive manufacturing is the major hit in the aerospace industry that transforms the way engineers develop and design engines, fuselages, landing gear and innumerable of other components. In the upcoming time, everything from jetliners to satellites will be configured in a different manner because of 3D printed components. Therefore many aerospace companies find the creative … Continue reading Nickel alloys Additive manufacturing for aerospace components

The rupture disc equipments are chosen as crucial and reliable solutions to protect from extreme pressure for a wide range of storage and process vessels. The aim of using rupture disc is to keep a leak-free seal and become a durable bystable to decrease the extreme pressure. The sanitary and hygienic applications require special rupture … Continue reading Hastelloy rupture discs for prolong service in relieving extreme pressure

Positive material identification (PMI) is used to recognize and test the different metallic materials depending on their chemical composition in the test. In this post the alloys used are Inconel 625 and stainless steel 316l. The analyses include a field testing by using the PMI analyzers. As the specifications for materials utilized in the industry … Continue reading Demand of PMI method for material recognize in various applications

Alloy 625 resists oxidation and corrosion in aqueous media and offers good strength. Good hardness and strength of this alloy is due to the inclusion of niobium that treats with molybdenum to stiffen the matrix of alloy. This Inconel grade prevents stress corrosion cracking in chloride media and offers high fatigue strength. The nickel alloy … Continue reading Aqueous corrosion resistant Inconel alloy 625 for oil wells and jet engines

The significance of material choice for minor to major components discovered in equipment crucial to the chemical process industries cannot be underrated. For the small metallic components for example valves and fasteners, the engineers choose materials depending on their performance in the particular service media. There is a crucial connection between material selection and precision, … Continue reading Why machining is needed for Inconel alloys

Different welds of Monel 400 and Stainless steel 304 are extensively used in the chemical, petrochemical and nuclear industries that need resistance to heat and corrosion, tolerance for heat cycles and creep and supreme mechanical characteristics. Beside of these needs, the different welds offer saving in new and costly materials. Monel alloy 400- SS 316L … Continue reading Feasibility of GTA method on welding of alloy 400 and 304

A standard SAE and AISI is used to describe the chemistry of the structural steels. The elements present in the large quantities to make steels are copper, nickel, chromium and molybdenum. The popularity of stainless steels varies with time depending of the proven advantages and changes in the metallurgical and engineering demands in the industry. … Continue reading Spark testing of Steels and steel alloys for jet engineering

The knowledge and understanding of uses, strengths and other properties of structural metals is significant to suitably build and retain and equipment, particularly airframes. In aircraft maintenance and repair, in fact a nominal deviation from design specification or substitution of inferior materials, result into loss of lives and equipment. The choice of an ideal material … Continue reading Use of Nickel alloys in aircraft components