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Duplex Steel 2205 Seamless & Welded Pipe

Duplex steel 2205 pipe, Duplex steel 2205 seamless pipe, Workstoff No 1.4462 round pipe Supplier, Duplex S32205 pipe, Duplex Steel Alloy 2205 welded pipe, ASTM A789 Duplex 2205 seamless pipe, Duplex UNS S31803 seamless pipe, Duplex Steel 2205 Fabricated pipes, Duplex steel Alloy 2205 Square pipe, Duplex S31803 welded pipe manufacturer, Duplex Steel 2205 pipe supllier in Mumbai, India.

Duplex 2205 Seamless Pipes are made up of alloys that have both austenitic and ferritic properties. These properties allow these pipes to withstand corrosion, and these pipes also have excellent tensile strength. The 2205 Seamless Welded Pipes consist of about 22 percent chromium, 3 percent molybdenum, and 5 to 6 percent nickel.Duplex 2205 Pipe is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels. “Duplex” describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of UNS S31803 duplex steel Pipe consists of austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205 contains approximately 40-50% ferrite. Often referred to as the work horse grade, UNS S31803 Pipe is the most widely used grade in the duplex family of stainless steels.

Duplex S32205 Seamless Welded Pipes can withstand a temperature up to 572 degrees Fahrenheit. If the pipes are left with more than the mentioned temperature, it might lead to the embrittlement of the pipes. As the chemical composition consists of these elements, they are also very resistant towards corrosion pitting and corrosion cracking which could be beneficial at a temperature ranging from 302 degrees Fahrenheit. There also is a certain amount of ferrite present in this alloy, which enhances the performance of these pipes. Thus, these pipes can be used in environments where they could be subjected to unfavorable conditions. These are also very beneficial in areas where chloride-related stress cracking can occur, as these pipes would work great in those conditions.

Corrosion Resistance

Duplex Steel 2205 Pipe is a cost effective solution for many applications where the 300 series stainless steels are susceptible to chloride stress corrosion cracking. Stress corrosion cracking occurs when stainless steels are subjected to tensile stress, while in contact with solutions containing chlorides. Increasing temperatures also increase the susceptibility of stainless steels to stress corrosion cracking.

The combination of chromium, molybdenum and nitrogen convey the good resistance of 2205 to chloride pitting and crevice corrosion. This resistance is extremely important for services such as marine environments, brackish water, bleaching operations, closed loop water systems and some food processing applications. The high chromium, molybdenum and nitrogen contents of 2205 provide corrosion resistance superior to common stainless steels, such as, 316L and 317L in most environments.


Duplex Steel 2205 Seamless & Welded Pipe

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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

Therefore, these Duplex 2205 Seamless Welded Pipes are widely used in applications such as marine applications and off the shore applications and in industries such as the oil industry. These Duplex S31803 Seamless Welded Pipes also are readily weldable and thus can be used in several applications.

Calico Metal Ind Pvt Ltd exports their products to Mumbai, Delhi, Bangalore, Ahmedabad, Chennai, Kolkata, Surat, Pune, Hyderabad, Lucknow, Bhopal, Jaipur, Visakhapatnam, Patna, Vadodara, Nagpur, Indore, Thane, Ranchi, Coimbatore, Aurangabad, Tamilnadu, Ludhiana, Dhanbad, Lucknow, Howrah, Raipur, Chandigarh, Guwahati, Bhubaneswar.

Related Search Term

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Duplex Steel Materials