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Duplex 2205 Plate

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

In many industrial applications, Duplex Steel S31803 S32205 Sheet & Plate has given an excellent rusting strength. The company provides a wide variety of duplex steel sheets, plate. We are one of the world's largest manufacturers, exporters and retailers. We are supply these sheet and plate in a wide range of types and specifications to meet our customers requirements. The plate and sheet are available in various dimensions, including size, length , width and height. We offer custom dimensions according to the buyer's request.

What is duplex 2205 Plate?

Duplex Steel S31803 Plates 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 Steel S31803 Plates 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 SS Plate 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.

Heat Resistance

2205 duplex stainless steel plate 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. ASTM A240 Type 2205 Duplex'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.

Duplex Steel 2205 - Processing

Machinability

Duplex steel plates with high-speed tools can be machined at same feeds & speeds as Alloy 316L. Cutting speeds can be decreased by around 20 percent when used with carbide machines, compared to the speeds of Alloy 316L.

Welding

A good soldability is provided by the alloy 2205 Duplex stainless steel plate. The purpose of welding 2205 is to maintain the corrosion resistance, strength and resistance of the base metal from the weld metal and the heat-affected area. The 2205 welding is not difficult, but soldering procedures need to be designed which will lead to a positive phase balance after welding and prevent precipitation of harmful intermetal or non-metallic phases.

Cold Forming

2205 duplex is quickly sheared and cold pressed on stainless steel machines. Owing to the high strength and rapid work hardness of the 2205 duplex stainless steel sheet, it needs to be coldly formed with forces considerably higher than in austenite steels. A springback allowance must also be provided due to the high power.

Heat Treatment

The stainless steel plate alloy 2205 should be heated at a minimum of 1900 ° F, followed by quick cooling, preferably with water quenching. This therapy contributes both to rectifying problems and relieving tension. The possibility of accumulation of harmful intermetal or non-metallic phases is in the case of stress relief processes at any lower temperature.

Hot Forming

It is suggested, where possible, form below 600 ° F. The workpiece should be uniformly heated and worked between 1750 and 2250 degrees F when warm forming is required. At these temperatures, Alloy 2205 stainless steel plate is very soft and ready to mould. 2205 are subject to hot tearing above this level. The austenite is considerably stronger than the ferrite, immediately below this level, and can cause cracking and a specific trouble to cold edges. Under 1700 ° F, due to the combined effect of temperature and deformation, rapid intermetallic phases can develop.When hot formation is finished, a complete solution should be followed by a minimum and fast scrub at 1900 ° F to restore phase balance, strength and resistance to corrosion. It is not necessary or recommended to relieve stress; however, if needed, the material must receive maximum solution anneal at the minimum level of 1900 ° F, followed by a fast cooling or quenching of the water.

Specification-2205 duplex

ASTM A 479, ASTM A 276 Condition S, UNS S32205, NACE MR0175/ISO 15156, ASME SA 789 Section IV Code Case 2603, ASME SA 789, ASTM A 790, NORSOK MDS D45 Grade F51, ASME SA 479, ASME SA 240, ASTM A 276 Condition A, ASTM A 240,ASME SA 182, UNS S31803, W. NR./EN 1.4462

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

Physical Properties

Physical propertyValue
Density: 0.278 lb/in3   
Melting Range:2525-2630°F

Specific Heat Capacity at 212°F

0.119 Btu/lb/°F

Thermal Conductivity at 212°F

8.4 Btu/hr-ft-°F

Poisson's Ratio

0.3

Elastic Modulus at 72°F

29 x 10 psi

Size Chart

Stocked Sizes
Size (in inches)
Size (in mm)
.125"
3.18mm
.134"
3.40mm
.156"
3.96mm
.187"
4.75mm
.250"
6.35mm
.312"
7.92mm
.375"
9.53mm
.500"
12.7mm
.625"
15.9mm
.750"
19.1mm
.875"
22.2mm
1"
25.4mm
1.125"
28.6mm
1.250"
31.8mm
1.500"
38.1mm
1.750"
44.5mm
2"
50.8mm
2.500"
63.5mm
3"
76.2mm

Equivalent Grades - duplex 2205

STANDARD
WERKSTOFF NR.
UNS
Duplex 2205 Plate
1.4462 / 1.4462

UNS S31803 / UNS S32205


We Export:

Nath Metal Ind 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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