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N’GENIUS Materials Technology has developed an innovative range of high strength austenitic stainless steels which it says has the potential to revolutionise the design and construction of onshore and offshore facilities in the oil, gas and LNG sector

FLNG and LNG industries 2FPSO vessels, FLNGs and upstream fixed platforms, could greatly benefit from the design and construction advantages that the N’GENIUS Series can provide. (Image source: N'GENIUS)

The global demand for LNG is projected to reach 700mn tonnes per year by 2040, fuelling the need for greater LNG infrastructure including import receiving and export terminals, FLNG vessels and LNG carriers. Since these facilities are being designed with larger capacities and operating under increasingly more challenging conditions, advanced materials technology is required to maximise performance, reduce carbon emissions and optimise through-life costs. 

Patent protected in 30 countries around the world, the N’GENIUS Series is a complete ‘family’ of high strength austenitic stainless steels possessing major improvements compared to 300 Series stainless steels, and a highly economical alternative to various nickel-alloys. 

As with conventional austenitic stainless steels, the N’GENIUS Series has excellent ductility and toughness at sub-zero and cryogenic temperatures, but also offers even higher strength and vastly superior corrosion resistance.

LNG piping systems, engineered products, fabricated products and equipment can be developed and manufactured with reduced wall thicknesses, offering the potential to make products and equipment lighter and smaller, significantly reducing topside weight and helping facilities overcome space and height restrictions. 

In particular, large facilities with extremely heavy topsides including floating production storage offloading (FPSO) vessels, FLNGs and upstream fixed platforms, would greatly benefit from the design and construction advantages that the N’GENIUS Series can provide. 

Dr C.V. Roscoe, the inventor of the N’GENIUS Series, said, “Some of these larger facilities can have topsides weighing more than 50,000 metric tonnes, which has a major impact on the design and construction cost of oil, gas and LNG projects.

“The N’GENIUS Series has an infinite range of alloy types, variants and grades and is perfectly suited for all the different material specifications, scopes of work and products including piping systems, pumps, valves, modules, vessels and tanks. Therefore, the potential to optimise the weight and space of all these components, and in turn reduce costs, could be invaluable.”

The N’GENIUS Series could also help accelerate the wider implementation of carbon capture and storage (CCS) technology.  Inevitably, the addition of onboard CCS for upstream fixed platforms, FLNGs and FPSOs means additional topside weight, volume and space. So a reduction in the weight and size of onboard CCS systems, as could be achieved with N’GENIUS, would make this green technology become more feasible.

The N’GENIUS Series can be manufactured in both wrought and cast forms, in an extensive range of products for the oil, gas and LNG industries. These include pipe, tube, fittings, flanges for piping systems, modules, heat exchangers, umbilicals and line pipe for risers, flowlines, pipelines and manifolds. N’GENIUS technology can also be applied to engineering products including pumps and valves, fabricated products such as vessels and tanks, and specialist products including casing and tubing for Oil Country Tubular Goods (OCTG).