ASTM B574 Seamless Piping
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ASTM B574 Seamless Piping

Corrosion behavior of B574 low carbon nickel chromium molybdenum, low carbon nickel chromium molybdenum and low carbon nickel chromium molybdenum tungsten alloy rods,
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ASTM B574 Seamless Piping

Digesters and bleach plants in the paper industry.

Components exposed to sour gas.

Equipment for flue-gas desulfurisation plants.

Evaporators, heat exchangers, filters and mixers used in sulfuric acid environments.

Sulfuric acid reactors.

Organic chloride process equipment.

Equipment for processes utilizing halide or acid catalysts.

Corrosion behavior of C-276 alloy in high temperature and high pressure water at 500℃ and 25MPa. The mass gain rate of C-276 alloy in supercritical water conforms to the parabolic law. A double-layer structure of oxide scale is formed on the surface of C-276 alloy. The outer layer is a nickel-rich layer and the inner layer is a Cr2O3/NiCr2O4 mixed layer. Tiny microcracks can also be found if exposed to oxide scale for a long time. At the same time, the increase in temperature will promote the oxidation rate and cause thermal stress in the oxide film.

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