Duplex Stainless Plate

The chromium, molybdenum, and nitrogen in 2205 duplex chrome steel plate also provide wonderful resistance to pitting and crevice corrosion even in very oxidizing and acidic options. Because of its excessive chromium (22%), molybdenum (three%), and nitrogen (0.18%) contents, the corrosion resistance properties of 2205 duplex stainless-steel plate are superior to that of 316L or 317L in most environments.


Whilst duplex stainless steels are thought-about immune to stress corrosion cracking, they aren’t as resistant to this type of assault as ferritic stainless steels. However, the corrosion resistance of the least resistant duplex stainless steels is larger than that for essentially the most commonly used grades of stainless steels, i.e. 304 and 316. Corrosion resistance is a critical component of materials built to withstand natural disasters. Duplex chrome steel is less prone to damage by stress corrosion cracking.

price resistance to stress corrosion cracking, crevice, erosion, pitting, and common corrosion in extreme atmospheres. Duplex Steel UNS S32205 Plates are used in marine and different high chloride atmospheres. Also known as WNR 1.4462, our Duplex Steel Coils are being developed and designed in accordance by means of the worldwide quality of standards at our infrastructure facility for to achieve the best scales of high quality. The objective of welding 2205 is that the weld metal and warmth-affected zone (HAZ) retain the corrosion resistance, energy, and toughness of the base metal. The welding of 2205 is not difficult, but it’s essential to design welding procedures that result in a favorable section steadiness after welding and will avoid precipitation of detrimental intermetallic or nonmetallic phases.

  • SA 240 Duplex 2205 Plate is a kind of chrome steel that is graded as duplex.
  • The Duplex 2205 Plate is 3% molybdenum, 22% chromium, 5-6% nickel alloyed chrome steel plate, with high-stress resistance traits, high power, and excellent resistance to impact.
  • Pitting and crevice corrosion resistance superior to 316L or 317L austenite stainless steels Alloy 2205 duplex chrome steel plate provides in almost all corrosive merchandise.
  • It also has sturdy corrosion, oxidation, and heat growth properties and better thermal conductivity than austenitic ones.
  • In the duplex household of stainless steel, 2205, additionally referred to as a workhorse, is the commonest category.

Whenever hot forming is completed, it should be followed by a full solution anneal at 1900°F minimum and speedy quench to revive section balance, toughness, and corrosion resistance. Stress relieving isn’t required or recommended; however, if it must be carried out, the fabric ought to obtain a full solution anneal at 1900°F minimal, adopted by rapid cooling or water quenching. The mixture of chromium, molybdenum and nitrogen convey the good resistance of 2205to chloride pitting and crevice corrosion. This resistance is extraordinarily important for companies similar to marine environments, brackish water, bleaching operations, closed loop water techniques and a few food processing applications.


The alloy has also been utilized as a fashioned and welded sheet product in environments the place resistance to basic corrosion and chloride stress corrosion cracking is important Stainless steel manufacturer. When hot forming is required, the workpiece ought to be heated uniformly and worked within the vary of 1750 to 2250°F.

Alloy 2205 duplex stainless-steel plate is kind of gentle at these temperatures and is quickly shaped. Immediately under this vary, the austenite becomes substantially stronger than the ferrite and will trigger cracking, a particular danger to “cold” edges. Below 1700°F there can be speedy formation of intermetallic phases because of the mix of temperature and deformation.

duplex steel 2205 plate