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Cast Duplex Stainless Steel CD4MCuN



Cast Duplex Stainless Steel CD4MCuN

CD4MCuN is CD4MCu modified with nitrogen to improve corrosion resistance, strength, weldability, and castability. It is resistant to some concentrations of sulfuric and dilute hydrochloric acids; acid and wet process phosphoric acid slurries; stress corrosion cracking in chloride containing solutions and fumes; concentrated brine and seawater; fatty acids; pulp liquors at 220°F (104°C); and steam. CD4MCuN is able to handle soft abrasives and is used in some corrosion-erosion service applications. It is used in a variety of industries including chemical processing, marine, municipal water supply, naval, paint, petroleum refining, power plant, pulp and paper, soap manufacturing, textile, and transportation. Applications include processing equipment requiring higher strength than CF8, compressor cylinders, digester valves, feed screws, pump impellers, liners, pump casings, runway light fixtures, and centrifugal pumps seal ring

Chemical Composition

 

ASTM A890 A995 UNS S39205

Equivalent Grades

1450

Melting Point(oC)

Heat to 1120°C minimum, hold for sufficient time to heat casting uniformly to temperature and water quench, or the casting may be furnace cooled to 1010°C minimum, hold for 15 min minimum and then water quench. A rapid cool by other means may be employed in lieu of water quench.

Heat Treatment

250

Hardness (HB)

E2209-15

Welding Electrode

-

Welding Preheating(oC)

Gas Porosity, chemical composition due to Carbon content

Common Possible Casting Defects

Who are we

          EMC     is one of the  leading foundry companies in Iran based in Isfahan . The company is well known for its pioneering role in producing many cast parts for the first time inside the country           

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