Treatment of metal tubular products, namely, furnace tubes, reformer tubes, heat exchanger tubes, waste gas heater tubes, line pipe and [ downhole tubes ] for wells and production vessels, [ sulphur condensors and ] piping used in oil and chemical production and [ power generation and ] wrought metal products, namely, bars, rods, plates and sheets, [ panels,waterwell panels, ] and wire screens [ and metal castings ] by adding aluminum or aluminum and silicon corrosion and erosion preventive d...

aluminum or aluminum and silicon corrosion and erosion preventive, diffusion coatings sold as an integral component of metal tubular products, namely, furnace tubes, heat exchanger tubes, line pipe and downhole tubes for wells and production vessels and piping used in oil and chemical production and power generation and wrought metal products, namely, bars, rods, plates and sheets, panels, waterwell panels and wire screens and metal castings