Hastelloy C-276 Alloy

1. Physical properties
Density: 8.90g/cm3, specific heat: 425J/kg/k, modulus of elasticity: 205Gpa (21 C)

2. Corrosion resistance
Harrington C-276 alloy belongs to nickel-based alloy of nickel-molybdenum-chromium-iron-tungsten system. It is one of the most corrosion-resistant modern metal materials. It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride solution, sulfuric acid and oxidizing salts. It has good corrosion resistance in low temperature and medium temperature hydrochloric acid. Therefore, in the past 30 years, in the harsh corrosive environment, such as chemical industry, petrochemical industry, flue gas desulfurization, pulp and paper making, environmental protection and other industrial fields have been widely used.

Various corrosion data of Harrington C-276 alloy are typical, but they can not be used as specifications, especially in unknown environments. It must be tested before material can be selected. There is not enough chromium in Harrington C-276 alloy to resist corrosion in strong oxidizing environment, such as hot concentrated nitric acid. This kind of alloy is mainly produced in the chemical process environment, especially in the presence of mixed acid, such as the discharge pipe of flue gas desulfurization system. The following table shows the corrosion tests of four alloys in different environments. (All welding specimens are welded by self-fluxing tungsten argon arc welding)

Lab reactor, Hastelloy Reactor, corrosion resistant reactor, acid proof reactor, acid resistant reactor, high pressure reactor, customized reactor, magnetic reactor, polymerization reactor, hydrogenation reactor, reaction kettle, pressure tank

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