What is Duplex Steel S31803 seamless pipe, and what are its key properties and advantages?

Duplex Steel S31803 Seamless Pipe is a type of steel pipe widely used in various industries and applications. It belongs to the duplex stainless steel family, which combines the beneficial properties of both austenitic and ferritic stainless steels. This grade, S31803, offers excellent corrosion resistance, high strength, and good weldability. The key properties of Duplex Steel S31803 Seamless Pipe include superior resistance to localized corrosion, such as pitting and crevice corrosion, and resistance to stress corrosion cracking. Additionally, it exhibits good mechanical properties, including high tensile and yield strength.

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The seamless manufacturing process ensures a uniform structure, free from weld defects, enhancing its integrity and reliability. The advantages of Duplex Steel S31803 Seamless Pipe lie in its ability to withstand harsh environments, such as those encountered in offshore and marine applications, chemical processing plants, and oil and gas refineries. It's superior corrosion resistance and mechanical strength make it an ideal choice for transporting corrosive fluids, handling high-pressure systems, and resisting erosion and wear.

What industries or applications commonly utilize Duplex Steel S31803 seamless pipe, and why is it preferred in those areas?

Due to its unique properties and advantages, Duplex Steel S31803 seamless pipe finds widespread use in various industries and applications. It is commonly preferred in industries such as oil and gas exploration, chemical processing, desalination plants, marine and offshore structures, and pulp and paper manufacturing.

In the oil and gas industry, Duplex Steel S31803 seamless pipe is highly favored for its excellent resistance to corrosive environments containing chlorides, hydrogen sulfide, and other aggressive substances. It ensures the safe transportation of oil, gas, and multiphase fluids, even in demanding offshore and subsea conditions. Its high strength and resistance to stress corrosion cracking make it ideal for critical applications in this industry.

Similarly, the chemical processing industry benefits from the exceptional corrosion resistance of Duplex Steel S31803 seamless pipe. It withstands the corrosive effects of various chemicals, acids, and solvents, making it suitable for pipelines, reactors, heat exchangers, and storage tanks.

Specification Of Duplex Steel S31803 Seamless Pipe

Pipe Standard ASTM A790 / ASME SA790
Seamless Pipe Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipe Sizes 1 / 2" NB - 24" NB
Seamless 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
Seamless Steel Pipe Manufacturing Process Seamless
Duplex Steel Seamless Pipe Shapes Hydraulic, Round, Rectangle, Square, Hex, Honed
Duplex Steel Seamless Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Seamless Pipe Ends Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish 2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Pipes, Finish as per customer Requirements
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Duplex Steel S31803 Seamless Pipe Dimensions, Duplex Stainless Steel S31803 Seamless Pipe Pressure Rating Chart, DSS S31803 Seamless Pipe Price Per Kg, S31803 Duplex Steel Seamless Pipes Near Me, Duplex Steel S31803 Seamless Pipe Stockist In Mumbai.

Types Of Duplex Steel S31803 Seamless Pipes

Duplex Steel S31803 Round Pipe

Duplex Steel S31803 Seamless Round Pipe

DSS S31803 Seamless Round Pipe, Duplex Steel S31803 Seamless Round Pipe Supplier, Duplex S31803 Seamless Round Pipe Stockist.

Duplex Steel S31803 Square Pipe

Duplex Steel S31803 Seamless Square Pipe

DSS S31803 Seamless Square Pipe, Duplex Steel S31803 Seamless Square Pipe Supplier, Duplex S31803 Seamless Square Pipe Stockist.

Duplex Steel S31803 Rectangular Pipe

Duplex Steel S31803 Rectangular Seamless Pipe

DSS S31803 Seamless Rectangular Pipe, Duplex Steel S31803 Seamless Rectangle Pipe Supplier, Duplex S31803 Seamless Rectangular Pipe Stockist.

Duplex Steel S31803 Polished Pipe

Duplex Steel S31803 Polished Seamless Pipe

DSS S31803 Polished Seamless Pipe, Duplex Steel S31803 Seamless Polished Pipe Supplier, Duplex S31803 Seamless Polished Pipe Stockist.

Widest Range of S31803 Duplex Steel Seamless Pipes in Mumbai, India.

  • Widest RangeSchedule 80 Duplex Steel S31803 Seamless Pipe
  • Widest RangeS31803 DSS Seamless Thin Wall Pipe
  • Widest RangeS31803 DSS Seamless Pipe HSN Code
  • Widest RangeSchedule XXS Duplex Steel S31803 Seamless Pipe
  • Widest RangeDuplex Steel S31803 Electropolish Seamless Pipe
  • Widest RangeSchedule XS Duplex Steel S31803 Seamless Pipe
  • Widest RangeSchedule 40 Duplex S31803 Seamless Pipe
  • Widest RangeSchedule 160 Duplex Steel S31803 Seamless Pipe
  • Widest RangeSchedule 10 Duplex S31803 Seamless Pipe
  • Widest RangeSchedule 5 Duplex Stainless Steel S31803 Seamless Pipe
  • Widest RangeASME SA790 Duplex Steel S31803 Seamless Pipe
  • Widest RangeS31803 Duplex Steel Seamless Pipe Price 20 Feet
  • Widest RangeASTM A790 DSS S31803 Seamless Pipe
  • Widest RangeS31803 Duplex Steel Hydraulic Seamless Pipe
  • Widest RangeDuplex S31803 Seamless Round Pipe
  • Widest RangeLarge Diameter Duplex Steel S31803 Seamless Pipe
  • Widest RangeASME SA790 DSS S31803 Seamless Pipe
  • Widest RangeASTM A790 Duplex Steel S31803 Seamless Pipe
  • Widest RangeS31803 Duplex Steel Rectangular Seamless Pipes
  • Widest RangeDuplex Steel S31803 Seamless Hollow Pipe

Check Other Pipes Types In Detail

Duplex Steel S31803 Seamless Pipes Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462

Duplex S31803 Seamless Pipe Sizes, S31803 Duplex Seamless Pipe, Duplex Stainless Steel S31803 Seamless Pipe Dimensions, Schedule 10 S31803 Duplex Steel Seamless Pipe Pressure Rating, Duplex Steel S31803 Seamless Pipe Exporter In India

Duplex Steel S31803 Seamless Pipes Price

Product Price
Custom Size 4 Inch DSS 1.4462 Seamless Pipes Price US $ 1221 - 14560 / Ton
Duplex Steel S31803 Seamless Pipe Price US $ 1242 - 3452 / Ton
Duplex Steel S31803 Seamless Pipe Price Per KG $1173.00 - $3340.00/ Ton
ASTM A790 SCH 5S Plain End Duplex Steel S31803 Seamless Pipe Price List $821.00 - $1,340.00/ Ton
Duplex Stainless Steel S31803 Seamless Pipe Price US $ 2002 - 4007 / Ton
DSS S31803 Seamless Pipe Price List $751 - 1443/ Ton
Schedule 10 Duplex S31803 Seamless Pipes Price $1,872.00 - $2,884.00/ Ton
20mm Diameter Polished Duplex Steel S31803 Seamless Pipes Price $837.10 - $1,360.00/ Ton
DSS 1.4462 Square Seamless Pipe Price List US $ 33 - 34 / kg

For Quotation & Questions Related To Duplex Steel S31803 Seamless Pipes

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Duplex Steel S31803 Seamless Pipe Manufacturing Process

Rolling and welding

Firstly, the duplex steel strips are made to gone through various quality checks and are trimmed at edges. They are then fed to the tubes mill by duplex steel pipe manufacturers in India. The strips pass through the number of rollers as per the required size. In the tubes-mill, the strip is gradually converted into the tubular shape. The fitted welding machine is then used to weld trim edges of the strip using TIG welding process. The scraps and inside weld bead are removed instantaneously by the Tibo machine. In this way, rolled pipes and tubes are formed.

The cleaning and heating phase

The rolled duplex steel seamless pipes thus manufactured are cut to the required lengths depending upon the industrial demand. These duplex pipes and tubes are then subjected to cleaning to remove the dirt. Further, a heat treatment is given to these rolled pipes and tubes to remove the stresses that may occur due to welding and formation processes. Heat treatment is given on the continuously rolling hearth furnace. The furnace is fitted with temperature recorders and controllers. After the heat treatment process, the SS tubes and pipes are straightened and subjected to pickling for removing scales from the surface.

Cold- drawing process

In some cases, the required size may not be obtained from the mill directly. Then, the cold operation process can be used to obtain the desired size. In cold drawing process, the tubes or pipes are coated with oxalic and soap solution. This solution acts as a lubricant to reduce friction while cold drawing operation. In the cold drawing process, the tube or pipe is drawn over the bench using Die plugs.

Finishing process

The drawn-out tube or ss pipe is then subjected to cleaning, heat treatment, pickling and straightening. The computerized ink jet marking machine is used to do the marking on the finished pipes or tubes. The pipe or tube is marked with grade of material, size, heat number and the stamp of third party inspection before passing on to duplex steel pipe exporters. The duplex tubes or pipes thus produced will undergo certain testing and quality checks. This process is followed by proper packing and dispatch. There are numerous numbers of duplex steel pipe applications, these pipes and tubes are used thereafter for.

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Chemical Composition Of Duplex Steel S31803 Seamless Pipe

Ni Cr Mo Mn Si C N S P Fe  
MIN 4.5 22.0 3.0 - - - 0.14 - - -
MAX 6.5 23.0 3.5 2.0 1.0 0.03 0.2 0.02 0.03 Balance

Mechanical Properties Of Duplex Steel S31803 Seamless Piping

S31803 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

Testing & Inspection of Duplex Steel S31803 Seamless Pipes

Testing (Destructive, Non Destructive)

Positive Material Identification – PMI Testing Hydrostatic Test
Chemical Analysis – Spectro Analysis Hydrogen-Induced Cracking (HIC) Test
Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
Micro Test Radiography Test
Macro Test Dye Penetrant Test (DP Test)
Hardness Test Ultra Sonic Test (UT)
Pitting Resistance Test Eddy Current Testing
Intergranular Corrosion (IGC) Test Impact Test
Flaring Test Bend Test
Flattening Test

Duplex Steel S31803 Seamless Pipe Sizes in MM

Designation of Diameter O/D Nominal Wall Thickness
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter MM Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr
6 1/8 10.3 1 0.23 1.2 0.27 1.5 0.33 1.73 0.37
8 1/4 13.7 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64
10 3/8 17.2 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15 2.77 1.29
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49 2.87 1.71
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24 3.38 2.54
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9 3.56 3.44
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35 3.68 4.11
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9 3.91 5.52
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6 5.16 8.77
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37 5.49 11.47
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62 5.74 13.78
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18 6.02 6.32
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8 6.55 2210
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08 7.11 28.69
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2 10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22 12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86 4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2 4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46 4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23 5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95 5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8 6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4 7.92 129.4 12.7 205.97 9.53 155.32
700 28 711.2 7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44
750 3C 762 6.35 120.15 7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56
800 32 812.8 7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11
850 34 863.6 7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22
900 36 914.4 7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09

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We have exported and supplied our S31803 Duplex Steel Seamless Pipes to solve piping related problems of our prestigious domestic and worldwide clients. We appreciate your business and the confidence you have placed in us.

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Supply Cities Of Duplex Steel S31803 Seamless Pipes

The cities listed here are where we have supplied our grade S31803 duplex steel seamless pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide DSS S31803 seamless pipes to satisfy the needs of our clients.

Coimbatore, Secunderabad, Bangkok, Rajkot, Vadodara, Bengaluru, Houston, Navi Mumbai, Jeddah, Perth, Calgary, Petaling Jaya, Riyadh, Dubai, Courbevoie, Los Angeles, Howrah, Milan, Indore, Kuwait City, Santiago, Bhopal, Baroda, Madrid, Noida, Algiers, Kuala Lumpur, New York, Doha, Faridabad, Caracas, Karachi, Jaipur, Kolkata, Ahmedabad, Bogota, Nagpur, Lahore, Kanpur, Chiyoda, Atyrau, Dammam, Gurgaon, Montreal, Moscow, La Victoria, Lagos, Ulsan, Hanoi, New Delhi, Geoje-si, Dallas, Ernakulam, Rio de Janeiro, Granada, Edmonton, Jakarta, Pimpri-Chinchwad, Chennai, Busan, Gimhae-si, Vung Tau, Port-of-Spain, Brisbane, Manama, Cairo, Singapore, Mumbai, Abu Dhabi, Pune, Sharjah, Visakhapatnam, Mumbai, Muscat, Ankara, Istanbul, Mexico City, Sydney, Toronto, Surat, Chandigarh, Thane, Hyderabad, Al Khobar, Melbourne, Ho Chi Minh City, Nashik, Ranchi, Thiruvananthapuram, Al Jubail, London, Ahvaz, Seoul, Tehran, Jamshedpur, Colombo, Hong Kong, Haryana, Ludhiana, Aberdeen.

Documents Provided at the time of Domestic Sales or Export of Duplex Steel S31803 Seamless Pipes

Certificate of Origin Raw Material Test Reports
Commercial Invoice Heat Treatment Charts
Packing List Quality Assurance Plan (QAP)
Fumigation Certificates NABL approved Laboratory Test Reports
Letter of Guarantee Material Test Certificates
ROHS Certificate Certificate of Compliance/Conformity

Application Industries We Supply Duplex Steel S31803 Seamless Pipes

Duplex Steel S31803 Seamless Pipes For Manufacturing, Duplex S31803 Seamless Pipes For Production, Duplex Steel S31803 Seamless Pipes For Technology, Duplex Steel S31803 Seamless Pipes For Agriculture, Duplex Stainless S31803 Steel Seamless Pipes For Factory, Duplex S31803 Seamless Pipes For Food Industry, Duplex Steel S31803 Seamless Pipes For Tertiary Sector, Duplex Steel 1.4462 Pipes For Construction, Duplex Steel S31803 Seamless Pipes For Chemical Industry, Duplex Steel 1.4462 Seamless Pipes For Waste, UNS S31803 Seamless Pipes For Mining, Duplex Steel S31803 Seamless Pipes For Energy, Duplex Stainless Steel S31803 Seamless Pipes For Pharmaceutical Industry, Duplex Steel S31803 Seamless Pipes For Transport, Duplex Steel S31803 Seamless Pipes For Real Estate, Duplex Steel 1.4462 Seamless Pipes For Textile Industry, UNS S31803 Seamless Pipes For Engineering, Duplex S31803 Seamless Pipes For Electronics, S31803 DSS Seamless Pipes For Health care, Duplex Steel S31803 Seamless Pipes For Pulp and Paper Industry, Duplex S31803 Seamless Pipes For Rail Transport.

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