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Duplex 2205 Plate | Duplex Steel 2205 Plate Supplier Manufacturer

ASTM A 182, A 240, A 276, A 789, A 790, A 815, UNS S31803, S32205, NACE MR0175

2205 is duplex stainless steel with almost equal austenite and ferrite chemical composition. This combination makes the alloy stronger than regular austenitic steels. Duplex stainless steels like 2205 often maintain good weldability in their thickest parts, and they are much more resistant than ordinary austenitic steels to stress corrosion cracking. The Duplex 2205 Plate is 3% molybdenum, 22% chromium, 5-6% nickel alloyed stainless steel plate, with high-stress resistance characteristics, high strength, and excellent resistance to impact.

Pitting and crevice corrosion resistance superior to 316L or 317L austenite stainless steels Alloy 2205 duplex stainless steel plate offers in almost all corrosive products. It also has strong corrosion, oxidation, and heat expansion properties and higher thermal conductivity than austenitic ones. Duplex 2205 was developed in order to combat common corrosion problems encountered by stainless steel of 300 series. 2205 produce roughly 40-50 percent ferrite in the annealed state. In the duplex family of stainless steel, 2205, also referred to as a workhorse, is the most common category.

The benefit of a duplex is that it blends the desirable properties of a ferritic alloy with those of an Austin alloy (facility of manufacturing and resistance to corrosion). Utilization of stainless steel Duplex 2205 should be restricted to below 600 ° F temperature. Extensive exposure to high temperatures will stainlessly inflate 2205.

Corrosion Resistance

For many situations in which chloride stress corrosion cracking is applicable to chloride-sensitive stainless steel, 2205 duplex stainless steel is an affordable solution. Crossing stress corrosion happens as tensile stresses are exerted on stainless steels while they are in contact with chloride solution. Increased temperatures often improve stainless steel's vulnerability to stress collapse. The mixture of chromium, molybdenum, and nitrogen provides good chloride tolerance and crevices corrosion resistance of 2205.

It offers excellent resistance in marine environments, bleaching, brackish water, closed-loop water systems, and specific food processing applications. The 2205 high content of molybdenum, chromium, and nitrogen offers superior resistance to corrosion in most conditions to the traditional steels such as 316L and 317L.

Duplex 2205 also has strong oxidation tolerance at a high temperature, as with other duplex stainless steels. it is not recommended for a Duplex 2205 to operate above 572 ° F (300 ° C). ·Possesses good weldability. The maximum hot forming temperature b/w 2010 and 2100 ° F (1100-1150 ° C) is recommended by most Duplex 2205 manufacturers. If it is not compact in shape, the edges may be substantially cooler than the bulk, and in cooler regions, there is a risk of cracking.

In a number of vendors, Duplex 2205 plate has proven strong formability. Duplex 2205's high strength will cause difficulties. Although the machinery is efficient enough, the high strength of the grade includes a supply for stronger spring-back. Duplex 2205 plate is a bit harder to process than austenitic stainless steels from the 300 series. There is a demand for higher cutting forces and for quicker device use. Reduce friction by maintaining the device extension as short as possible. For duplex stainless steel, the corrosion resistance quality in all stainless steel plates and sheets is significantly higher. The sheets and plates of duplex steel are of magnetic strength and can clearly be distinguished from the other stainless steel classes due to this feature.

Characteristics

  • High resistance to chloride stress corrosion cracking
  • Resistance to chloride pitting and crevice corrosion
  • Good general corrosion resistance
  • Good sulfide stress corrosion resistance
  • High Strength
  • Good weldability and workability

Applications

  • Chemical process vessels, piping and heat exchangers
  • Pulp mill digesters, bleach washers, chip pre-steaming vessels
  • Food processing equipment
  • Oil field piping and heat exchangers
  • Flue gas desulfurization equipment

Chemical Composition

Grade

 

C

Mn

Si

P

S

Cr

Mo

Ni

N

2205 (S31803)

Min

Max

-

0.030

-

2.00

-

1.00

-

0.030

-

0.020

21.0

23.0

2.5

3.5

4.5

6.5

0.08

0.20

2205 (S32205)

Min

Max

-

0.030

-

2.00

-

1.00

-

0.030

-

0.020

22.0

23.0

3.0

3.5

4.5

6.5

0.14

0.20

Mechanical Properties

Grade

Tensile Str
(MPa) min

Yield Strength
0.2% Proof
(MPa) min

Elongation
(% in 50mm) min

Hardness

Rockwell C (HR C)

Brinell (HB)

2205

621

448

25

31 max

293 max

Calico Metal Ind Pvt Ltd exports their products to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.

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