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Our Product Range
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Duplex Pipes means one pipe inserted in another pipe. The outer pipe deals with environment and inner pipe deals with the transported material. These pipes are made of different materials like alloys, steel etc. the first generated pipes are alloys of chromium, nickel and molybdenum. Next is the duplex pipes made of steel.
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These duplex 2205 pipes are purely made of stainless steel as it is resistant to corrosion and has high strength. These are mostly used in drilling operations. These are made of high quality and tested by the standards for their best use in the industries. These are available in different sizes. These are mostly used in extracting the gas and oil from wells. This will provide better service with zero defects. They can be used in high temperatures and pressure. GPS Inventory Spotlight: Duplex 2205
| Type | Seamless & Welded Pipe | Butt Weld Fittings | Flanges & Pressure Fittings | | Sizes | 1/4" thru 16" | 1/2" thru 12" | All descriptions | | Schedules | Sch 10, 40, 80, 160 & XXH | Sch 10, 40, 80, 160, & XXH | | ASTM Standards | Bar | Butt Weld Fittings | Forgings | Pipe, Welded & Seamless | Tube, Welded | Plate | | A276, A479 | A815 | A182 | A790 | A789 | A240 | Minimum Physical Properties | Tensile Strength | Yield Strength | | 90 KSI Min. | 65 KSI Min. | | C | Mn | PS | | Si | Ni | Cr | Fe | Mo | N | | 0.03 Max | 2.00 Max | 0.03 Max. | 0.02 Max. | 1.00 Max | 4.50 - 6.50 | 21.0 - 23.0 | Balance | 2.50 - 3.50 | 0.14 - 0.20 | Properties Duplex 2205 stainless is a dual-phase stainless steel whose grain structure is about 45% ferritic and 55% austenitic, hence the name "duplex". With twice the mechanical strength and corrosion resistance of common austenitics, alloy 2205 offers some advantages over 316L and 317L:
* Lower coefficient of thermal expansion and a higher thermal conductivity
* Resists chloride stress corrosion cracking
* Pitting and crevice corrosion resistance
* Excellent choice for high chloride environments
* Lower cost than high alloyed austenitics Applications Industries taking advantage of the lower cost and higher mechanical properties of alloy 2205 include:
* Heat exchangers
* Marine construction
* Oil and gas industry
* Chemical processing
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| Features: 1. Commodity: seamless stainless steel pipes ASTM A790/ASME SA790 S31803 2. Process method: cold drawn/cold rolled 3. Surface finish: anneal/pickling/polished 4. Material: S31803, S31803/S32205 dual grade, 1.4462, etc. 5. Specification: ASTM A789, ASTM A790, EN10216-5, ISO 1127, etc. 6. Size: ANPS: 1/8" to 6" B) Schedule: 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S, acc. To ANSI B36.19 C) O. D.: 6 mm to 168.3 mm D) W. T.: 0.5 mm to 20 mm E) Length: Max. 20 meters 7. Package: seaworthy wooden cases/steel framed plywood cases/in bundles | Duplex UNS S31803/UNS S32205, Duplex F51, Duplex SA182 Grade F-51, DIN 1.4462 | | Duplex A182-F51, Duplex SA182 Grade F-51 UNS S31803, UNS S32205, Din-1.4462 |
| | Duplex ASTM A182 Grade F60 / ASME SA182 Grade F60 NACE & Norsok Approved |
| | Super Duplex 2507, Super Duplex SAF2507 Super Duplex SAF 2507 ASTM A182 Grade F53 | | Super Duplex F53, Super Duplex SA182 Grade F-53, Super Duplex S32750 |
| | Super Duplex UNS S32760 F55 ASTM A182 F-55 SA182 F55 DIN 1.4501 UNS 32760 |
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| General properties | | | Duplex 2205 is a two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. It is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades. It also demonstrates good fatigue strength, as well as outstanding resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion in severe environments. | Applications | • | Chemical processing, transport and storage – pressure vessels, tanks, piping, and heat exchangers | | • | Oil and gas exploration and processing equipment – piping, tubing, and heat exchangers | | • | Marine and other high chloride environments | | • | Effluent scrubbing systems | | • | Pulp and paper industry – digesters, bleaching equipment, and stock-handling systems | | • | Cargo tanks for ships and trucks | | • | Food processing equipment | | • | Biofuels plants | Standards
ASTM/ASME................A240 UNS S32205/S31803
Euronorm................1.4462 X2CrNiMoN 22.5.3
AFNOR.........................Z3 CrNi 22.05 AZ
DIN...............................W.Nr 1.4462
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| Vailable product:Seamless pipe,SMLS/Butt-welded/SW pipe fitting,Flanges,Forgings,Bar/Rod,U tube,coild pipe SAF2205/UNS S31803
Chemical Composition % | C | Cr | Fe | Mn | Mo | N | Ni | P | S | Si | | Max | |
| Max |
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| Max | Max | Max | | 0.030 | 21.0-23.0 | Bal | 2.0 | 2.50-3.50 | 0.08-0.20 | 4.50-6.50 | 0.03 | 0.02 | 1.0 | Availability
Seamless Pipe 1/2" - 8"
Butt-Weld Fittings 1/2" - 12"
Flanges 1/2" - 8"
Bar 1" - 8" Specifications
ASTM
A789,A790, A815, A182
ASME
SA790, SA815, SA182 Description
Avesta Sheffield 2205 is a ferritic-austenitic stainless steel which combines many of the beneficial properties of both ferritic and austenitic steels. As a result of high chromium and molybdenum contents, the steel has very good pitting and uniform corrosion resistance to stress corrosion cracking as well as high mechanical strength.
2205 has good weldability and can be welded using most of the welding techniques for stainless steels. Due to the balanced composition, when welded correctly, the heat affected zone contains sufficient austenite to avoid the risk of localized corrosion. The chemical composition of 2205 is balanced to give a microstructure containing roughly equal amounts of ferrite and austenite. Design features
• High strength.
• Low thermal expansion and higher heat
conductivity than austenitic steels.
• High resistance to stress corrosion cracking,
corrosion fatigue and erosion.
• High uniform corrosion resistance.
• High pitting and crevice corrosion
resistance.
• Good sulfide stress corrosion cracking
resistance. Typical applications
• Heat exchangers, tubes and pipe for production and handling of gas and oil
• Heat exchangers and pipes in desalination plants
• Pressure vessels, pipes, tanks and heat exchangers for processing and transport of various chemicals
• Pressure vessels, tanks and pipes in process industries handling chlorides
• Rotors, fans, shafts and press rolls where the high corrosion fatigue strength can be utilized
• Cargo tanks, piping and welding consumables for chemical tankers Tensile requirements
Tensile Strength (KSI) 65
Yield Strength (KSI) 90KSI Our Production Range: (Tube&Pipe,Coiled Tube, Fittings, Flange) Austenite : 304/L,321, 347H, 316L/Ti,316mod, 317L/N, 310S, 310MoIN, 235MA, 330,17-4PH Super Austenite : 904L, S31254, S31277, XM-19 Duplex steel : S31803, S32750, S32760, S32205 Nickel base Alloy :Monel400, Incoloy600, Incoloy800, ALLOY200, ALLOY825, ALLOY20,ALLOY28 O.D : 10.3mm---273mm W.T : 0.8----20mm;
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1.4462 | Material No. | 1.4462 | | EN symbol (short) | X2CrNiMoN22-5-3 | | AISI/SAE | 318 LN | | UNS | S 31803 | | AFNOR | Z 2 CND 22-05 Az | | B.S. | 318 S 13 | | alloy | — | | Registered work's label | — | | Standards | VdTÜV 418, SEW 400/310 | Description The austenitic special steel 1.4462 shows good pitting corrosion resistance. Main areas of application (depending on the specific conditions of use) are the chemical industry, paper and cellulose production, food industry and sea water piping.
Our product range in 1.4462 are tubes and pipes, fittings and flanges, accessories. | Chemical composition ¹ | C
≤ % | Si
≤ % | Mn
≤ % | P
≤ % | S
≤ % | Cr
% | Mo
% | Ni
% | V
| | 0,03 | 1 | 2 | 0,035 | 0,015 | 21,0-23,0 | 2,5-3,5 | 4,5-6,5 | | Nb
| Ti
| Al
| Co
| Cu
| N
% | Fe
| | | | | | | | | 0,1-0,22 | | | | | ¹ in accordance with Key to Steel 2001 | | Special characteristics | | Temperature range: | Density kg/dm³: | Hardness HB 30 | 10°C – 280°C
Tends towards 475°C embrittlement | 7,9 | ≤ 270 | Duplex steel with addition of Molybdenum
Good resistance against pitting corrosion and intergranular corrosion.
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| We manufacture and export high quality Duplex Seamless Pipes which are used as pipes & fittings in several petrochemical or other commercial industries. We trade these Duplex Seamless Pipes after complete quality and performance measure inspection. These are widely appreciated for excellent quality, corrosion abrasion and high tensile strength with long life service. Duplex Seamless Pipes are available as per the following specifications: Range: 15 mm nb up to 1200 mm nb in schedule 5s, 10s, 10, 20, 40s, 40, std, 60 80s, 80, xs, 100, 120, 140, 160 & xxs Grades: Duplex Steel: astm / asme sa 790 uns no s 31803, s 32205, s 32550, s 32750, s 32760
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Duplex 2205 Seamless Pipes
ASTM A 182, A 240, A 276, A 789, A 790, A 815 UNS S31803, S32205 NACE MR0175 Forms of Duplex 2205 Available at Mega Mex - Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
- Welding Wire and Welding Electrode
Corrosion Resistance 2205 duplex stainless steel 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. Chemical Composition, % | Cr | Ni | Mo | C | N | | 22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 | | Mn | Si | P | | Fe | | 2.00 Max | 1.00 Max | .030 Max | .020 Max | Balance | In what applications is Duplex 2205 used? - 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
ASTM Specifications | Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Flanges, Fittings & Valves | | A790 | A790 | A789 | A789 | A240 | A276 | A182 | Mechanical Properties
Specified Tensile Properties ASTM A240
Ultimate Tensile Strength, ksi Minimum | .2% Yield Strength, ksi Minimum | Hardness Max. | | 95 | 65 | 31 Rockwell C |
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| UNS S31803 Duplex Plate/Sheet
Duplex Seamless & Welded Tube
Duplex Seamless & Welded Pipe
Duplex Round Bar
Duplex Flanges F51
Duplex Specialty Forgings
Duplex Seamless & Welded BW Fittings | Trade Name | UNS | 6Moly Industry Specifications | Chemical Composition | Min.Tensile
(KSI) | Min.Yield
(KSI) | Elongation
% | SAF 2205
| UNS S31803
| ASME SA-182 (F51), SA-240, SA-798, SA-790, SA-815
ASTM A240, A276, A479, A789, A790, A815, A923, A928, A988
SAE J405 | C 0.30 max
Cr 21.0-23.0
Mn 2.00 max
Mo 2.50-3.50
N 0.08-0.20
Ni 4.50-6.50
P 0.030 max
S 0.020 max
Si 1.00 max | 90 | 65 | 25 |
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UNS S32205 Duplex Plate/Sheet
Duplex Seamless & Welded Tube
Duplex Seamless & Welded Pipe
Duplex Round Bar
Duplex Flanges F51
Duplex Specialty Forgings
Duplex Seamless & Welded BW Fittings
| SAF 2205 | UNS S32205 | ASTM A240, A240M, A276, A479, A480, A480M, A798, A7901, A815, A923, A928, A988
SAE J40 | C 0.30 max
Cr 22.0-23.0
Mn 2.00 max
Mo 3.00-3.50
N 0.14-0.20
Ni 4.50-6.50
P 0.030 max
S 0.020 max
Si 1.00 max | 90 | 65 | 25 |
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| Chemical Composition % | C | Cr | Fe | Mn | Mo | N | Ni | P | S | Si | | Max | | | Max | | | | Max | Max | Max | | 0.030 | 21.0-23.0 | Bal | 2.0 | 2.50-3.50 | 0.08-0.20 | 4.50-6.50 | 0.03 | 0.02 | 1.0 | Availability
Seamless Pipe 1/2" - 8"
Weld Pipe 1/2" - 12"
Butt-Weld Fittings 1/2" - 12"
Flanges 1/2" - 8"
Bar 1" - 8" Specifications
ASTM
A790, A815, A182
ASME
SA790, SA815, SA182 Description
Avesta Sheffield 2205 is a ferritic-austenitic stainless steel which combines many of the beneficial properties of both ferritic and austenitic steels. As a result of high chromium and molybdenum contents, the steel has very good pitting and uniform corrosion resistance to stress corrosion cracking as well as high mechanical strength.
2205 has good weldability and can be welded using most of the welding techniques for stainless steels. Due to the balanced composition, when welded correctly, the heat affected zone contains sufficient austenite to avoid the risk of localized corrosion. The chemical composition of 2205 is balanced to give a microstructure containing roughly equal amounts of ferrite and austenite. Design features
• High strength.
• Low thermal expansion and higher heat
conductivity than austenitic steels.
• High resistance to stress corrosion cracking,
corrosion fatigue and erosion.
• High uniform corrosion resistance.
• High pitting and crevice corrosion
resistance.
• Good sulfide stress corrosion cracking
resistance. Typical applications
• Heat exchangers, tubes and pipe for production and handling of gas and oil
• Heat exchangers and pipes in desalination plants
• Pressure vessels, pipes, tanks and heat exchangers for processing and transport of various chemicals
• Pressure vessels, tanks and pipes in process industries handling chlorides
• Rotors, fans, shafts and press rolls where the high corrosion fatigue strength can be utilized
• Cargo tanks, piping and welding consumables for chemical tankers Tensile requirements
Tensile Strength (KSI) 65
Yield Strength (KSI) 90KSI can be converted to MPA (Megapascals) by multiplying by 6.895.
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