Riton Metal Industries
Riton Metal Industries
Ambewadi, Mumbai, Maharashtra
GST No. 27AQIPC5226G1Z2
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Duplex Steel pipes & tubes

DUPLEX STAINLESS STEEL

Riton metal industries is well known for the high-quality Duplex products that we source and stock for our discerning clients around the world.  We can provide a whole range of different products in duplex, including specialist fittings & flanges, pipe, plate, sheet, tube and bar.

For more information about our Duplex Stainless-Steel range of products, please contact your local Special Piping Materials sales adviser today.

DUPLEX FROM SPECIAL PIPING MATERIALS

Duplex stainless steel is a very useful metal that is used the world over. It gets its name from the fact that it consists of two different grades of metal.

Essentially, Duplex is a Fe-Ni-Cr alloy that has a two-phase ferritic-austenitic stainless-steel microstructure when it is at room temperature.

Duplex steels are characterised by high chromium (19–28%) and molybdenum (up to 5%) and lower nickel contents than austenitic stainless steels. The most used duplex stainless steels are the 2205 (22% Chromium, 5% Nickel) and the 2507 (25% Chromium, 7% Nickel); 2507 is known as “super duplex” due to its higher resistance to corrosion.

The advantage of combining ferritic and austenitic grades is that the resultant metal has a metallurgical structure that consists of two phases and therefore benefits from the properties of both microstructures.

These properties make duplex steel highly sought after in heavy industries, like oil and gas nuclear and chemical processing.

Applications of Duplex

The extensive benefits of Duplex stainless-steel mean that it can be used in many different applications such as:

Chemical processing, transport and storage

Pipes for production and transportation of oil and gas

Oil and gas exploration and offshore rigs

Oil and gas refining

Marine environments

Pollution control equipment

Pulp & paper manufacturing

Chemical process plant

Structural and mechanical components

Heat exchangers

Cooling pipes

2205 Duplex SS Welded Pipe

2205 Duplex SS Welded Pipe
  • 2205 Duplex SS Welded Pipe
  • 2205 Duplex SS Welded Pipe
  • 2205 Duplex SS Welded Pipe
  • 2205 Duplex SS Welded Pipe
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Approx. Price: Rs 395 / KgGet Latest Price
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Product Details:

Minimum Order Quantity1 Kg
BrandTubacex Make Duplex Steel, Nippon Steel & Sumitomo Metal, Sumitomo Make Duplex Steel, Outokumpu Make
ThicknessThickness Range: 1MM TO 3 MM 0.028 TO 0.156 IN, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH
Surface TreatmentAnnealed and Pickled, Polished, Bright Annealed, Cold Drawn
ShapeRound
Unit Pipe LengthLength: Single Random, Double Random & Required Length
SizePipe Outside Diameter: 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size
Welded Pipes and Tubes SizesType: Seamless / ERW / Welded / Capillary Tubes
Surface FinishFinish: Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Diameter6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available E
I Deal InNew Only
Usage/ApplicationChemical Research Industries Petroleum and Gas Industries Agriculture Engineering Industries Mech
Material2205 Duplex SS Welded Pipe
GradeDuplex 2205 (UNS-S31803/S32205) / Super Duplex 2750 (UNS-S32750/S32760)

Duplex stainless steel pipe generally refers to a steel composed of 50% Ferritic and 50% Austenitic phase structure. This composition gives them a better strength than either Ferritic or Austenitic steels. Duplex stainless steel has excellent pitting corrosion resistance and is also a nickel-saving stainless steel. 
 
ASME SA789 /ASTM A789: Standard for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service.
ASME SA790 /ASTM A790: Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe.

Duplex and super duplex stainless steels are weldable.
Standard duplex: UNS S31803, S32205
Super duplex: S32750 (2507), UNS S32760
Specification Duplex Steel S32205 Pipe 
Specification of Duplex & Super Duplex Steel Pipes/Tubes

Pipe/Tube Specifications: ASTM A790, A789 / ASME SA790, SA789

Dimensions: ANSI B36.19, ANSI B36.10

Pipe Outside Diameter: 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available Ex-stock

Tube Outside Diameter: 1/8" OD TO 2"OD 3MM OD TO 38 MM OD

Thickness Range: 1MM TO 3 MM 0.028 TO 0.156 IN, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS

Type: Seamless / ERW / Welded / Capillary Tubes

Form: Round Tube, Square Tube, Rectangular Tube

Length: Single Random, Double Random & Required Length

End: Plain End, Beveled End, Treaded

End Protection: Plastic Caps

Finish: Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

External Coating: 3LPE / 3LPP/ FBE/ DFBE/ PP


Equivalent Grades of Duplex & Super Duplex Steel Pipes & Tubes
STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205
Super Duplex 2750 1.4410 S32750 / S32760
Chemical Composition of Duplex & Super Duplex Steel Pipes-Tubes
Grade C Mn Si P S Cr Mo Ni N Fe
Duplex Steel S31803 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
Duplex Steel S32205 0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30 57.61 min
Super Duplex Steel S32760 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
Super Duplex Steel S32750 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min
Duplex & Super Duplex Steel Pipes/Tubes Mechanical Properties
Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 / S32205 7.805 0.285 1420 – 1465 2588 – 2669
S32750 / S32760 7.8 0.281 1350 2460

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2304 Duplex Steel Tube

2304 Duplex Steel Tube
  • 2304 Duplex Steel Tube
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Approx. Price: Rs 350 / KgGet Latest Price
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Product Details:

Thickness4 inch
Unit Pipe Length18 meter
FormRound
MaterialDuplex Steel
Grade2304
Surface FinishPolished
Country of OriginMade in India

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LDX 2101 Duplex Steel Tube

LDX 2101 Duplex Steel Tube
  • LDX 2101 Duplex Steel Tube
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Approx. Price: Rs 360 / KgGet Latest Price
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Product Details:

Usage/ApplicationConstruction
Thickness4 inch
FormRound
GradeLDX 2101
Surface FinishPolished
MaterialDuplex Steel
Country of OriginMade in India

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LDX 2404 Duplex Steel Tube

LDX 2404 Duplex Steel Tube
  • LDX 2404 Duplex Steel Tube
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Approx. Price: Rs 350 / KgGet Latest Price
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Product Details:

Usage/ApplicationConstruction
ThicknessUpto 4 Inch
FormRound
MaterialDuplex Steel
Steel GradeLDX 2404 Duplex Steel Tube
Surface FinishPolished
Country of OriginMade in India

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Duplex Steel Pipes

Duplex Steel Pipes
  • Duplex Steel Pipes
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Approx. Price: Rs 295 / KgGet Latest Price
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Product Details:

BrandRiton Metal
MaterialDuplex Steel
Steel GradeDuplex 2205, Duplex 2507, Zeron 100, LDX 2101
Usage/ApplicationIndustrial, Construction
Unit Pipe Length18 meter
FormRound
ShapeRound
Surface FinishPolished
Outer Diameter25 mm
Country of OriginMade in India

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Ramesh Patel (CEO)
Riton Metal Industries
24/26, 1st Floor, Office No. 2
Ambewadi, Mumbai - 400004, Maharashtra, India
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