What is Alloy 20 seamless pipe, and what are its key characteristics?

Alloy 20 Seamless Pipe is a type of piping material specifically designed to offer exceptional resistance to corrosion, particularly in highly corrosive environments. It comprises a nickel-iron-chromium-based alloy known as Alloy 20, which imparts remarkable strength and durability to the pipe. The key characteristics of Alloy 20 Seamless Pipe include its excellent resistance to a wide range of corrosive substances, such as sulfuric acid, nitric acid, and phosphoric acid, making it highly suitable for applications in chemical processing, pharmaceutical, and food processing industries.

Table Of Content

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Alloy 20 seamless pipe exhibits superior mechanical properties, such as high tensile strength and excellent impact resistance. It is also known for its good weldability, allowing for ease of installation and maintenance. Alloy 20 seamless pipe provides a reliable and long-lasting solution for industries requiring robust corrosion resistance and reliable performance.

What are the advantages of using Alloy 20 seamless pipe over other piping materials?

Alloy 20 Seamless Pipe offers several advantages over other piping materials, making it a preferred choice in various industries. Its exceptional resistance to corrosion sets it apart. Alloy 20 seamless pipe can withstand the corrosive effects of various aggressive substances, including acids, alkalis, and chlorides. This corrosion resistance extends its service life, reduces maintenance costs, and minimizes the risk of leaks or failures.

Alloy 20 seamless pipe exhibits excellent mechanical properties, including high strength and toughness. It can withstand high-pressure and high-temperature environments, making it suitable for demanding applications. Its robustness and durability ensure long-term performance and reliability.

Alloy 20 seamless pipe offers versatility in fabrication and installation. It can be easily welded, allowing for efficient and secure connections. The seamless design eliminates the need for additional joints, reducing the risk of leakage points and enhancing overall structural integrity.

Alloy 20 seamless pipe is known for its compatibility with various industrial processes and applications. It finds extensive use in chemical processing, pharmaceuticals, food processing, and petrochemicals, where resistance to corrosive substances is critical.

Specification Of Alloy 20 Seamless Pipe

Pipe Standard ASTM B729 / ASTM B464, ASME SB 729 / ASME SB 464
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
Alloy 20 Seamless Pipe Shapes Hydraulic, Round, Rectangle, Square, Hex, Honed
Alloy 20 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 Alloy 20 Pipes, Finish as per customer Requirements
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

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Types Of Alloy 20 Seamless Pipes

Alloy 20 Round Pipe

Alloy 20 Seamless Round Pipe

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Alloy 20 Square Pipe

Alloy 20 Seamless Square Pipe

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Alloy 20 Rectangular Pipe

Alloy 20 Rectangular Seamless Pipe

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Alloy 20 Polished Pipe

Alloy 20 Polished Seamless Pipe

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Widest Range of Alloy 20 Seamless Pipes in Mumbai, India.

  • Widest RangeSchedule 160 Alloy 20 Seamless Pipe
  • Widest RangeAlloy 20 Seamless Pipe HSN Code
  • Widest RangeSchedule 10 Alloy 20 Seamless Pipe
  • Widest RangeSchedule XS Alloy 20 Seamless Pipe
  • Widest RangeAlloy 20Cb-3® Seamless Thin Wall Pipe
  • Widest RangeSchedule 40 Alloy 20 Seamless Pipe
  • Widest RangeCarpenter 20 Electropolish Seamless Pipe
  • Widest RangeSchedule 5 Alloy 20 Seamless Pipe
  • Widest RangeSchedule 80 Alloy 20 Seamless Pipe
  • Widest RangeSchedule XXS Incoloy® alloy 20 Seamless Pipe
  • Widest RangeAlloy 20 Seamless Round Pipe
  • Widest RangeASME SB729 Alloy 20 Seamless Pipe
  • Widest RangeLarge Diameter Alloy 20 Seamless Pipe
  • Widest RangeIncoloy® alloy 20 Hydraulic Seamless Pipe
  • Widest RangeASME SB729 Alloy 20Cb-3® Seamless Pipe
  • Widest RangeAlloy 20 Rectangular Seamless Pipes
  • Widest RangeASTM B729 Alloy 20 Seamless Pipe
  • Widest RangeAlloy 20 Seamless Hollow Pipe
  • Widest RangeASTM B729 Alloy 20Cb-3® Seamless Pipe
  • Widest RangeIncoloy® alloy 20 Seamless Pipe Price 20 Feet

Check Alloy 20 Pipes Types In Detail

Alloy 20 Seamless Pipes Equivalent Grades

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
Alloy 20 N08020 2.4660 Z2NCUD31-20AZ NiCr20CuMo - - -

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Alloy 20 Seamless Pipes Price

Product Price
Austenitic Alloy 20 Seamless Pipe Price Per KG $1471.00 - $4460.00/ Ton
Alloy 20 Seamless Pipe Price List $637 - 1488/ Ton
UNS N08020 Alloy 20 Seamless Pipe Price US $ 2772 - 4063 / Ton
Custom Size 4 Inch Alloy 2.4660 Seamless Pipes Price US $ 3312 - 17680 / Ton
20mm Diameter Polished Alloy 20 Seamless Pipes Price $871.20 - $1,330.00/ Ton
Alloy 2.4660 Square Seamless Pipe Price List US $ 36 - 34 / kg
ASTM B729 SCH 5S Plain End Alloy 20 Seamless Pipe Price List $772.00 - $1,500.00/ Ton
Schedule 10 Alloy 20 Seamless Pipes Price $1,823.00 - $2,524.00/ Ton
N08020 Seamless Pipe Price US $ 2228 - 1374 / Ton

For Quotation & Questions Related To Alloy 20 Seamless Pipes

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Alloy 20 Seamless Pipe Manufacturing Process

Rolling and welding

Firstly, the alloy strips are made to gone through various quality checks and are trimmed at edges. They are then fed to the tubes mill by alloy 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 alloy seamless pipes thus manufactured are cut to the required lengths depending upon the industrial demand. These stainless 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 alloy pipe exporters. The stainless 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 alloy pipe applications, these pipes and tubes are used thereafter for.

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Chemical Composition Of Alloy 20 Seamless Pipe

Ni C Mo Mn Si Fe Cu S P Cr
32 - 38 0.02 max 2 - 3 1 - 2 0.7 max Bal 3 - 4 0.005 max 0.02 max 19 - 21

Mechanical Properties Of Alloy 20 Seamless Piping

Density Melting Range Yield Stress (0.2%Offset) Tensile Stress Elongation
8.1 g/cm3 1443 °C (2430 °F) Psi - 35000 , MPa - 241 Psi - 80000 , MPa - 551 30 %

Testing & Inspection of Incoloy® alloy 20 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

Alloy 20 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 Incoloy® alloy 20 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 Alloy 20 Seamless Pipes

The cities listed here are where we have supplied our grade alloy 20 seamless pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide Alloy 20Cb-3® seamless pipes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of Alloy 20 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 Alloy 20 Seamless Pipes

Incoloy® alloy 20 Seamless Pipes For Manufacturing, Incoloy® alloy 20 Seamless Pipes For Production, Alloy 20 Seamless Pipes For Technology, Incoloy® alloy 20 Seamless Pipes For Agriculture, Incoloy® alloy 20 Seamless Pipes For Factory, Incoloy® alloy 20 Seamless Pipes For Food Industry, Incoloy® alloy 20 Seamless Pipes For Tertiary Sector, Alloy 2.4660 Pipes For Construction, Incoloy® alloy 20 Seamless Pipes For Chemical Industry, Alloy 2.4660 Seamless Pipes For Waste, UNS N08020 Seamless Pipes For Mining, Incoloy® alloy 20 Seamless Pipes For Energy, Incoloy® alloy 20 Seamless Pipes For Pharmaceutical Industry, Incoloy® alloy 20 Seamless Pipes For Transport, Alloy 20 Seamless Pipes For Real Estate, Alloy 2.4660 Seamless Pipes For Textile Industry, UNS N08020 Seamless Pipes For Engineering, Incoloy® alloy 20 Seamless Pipes For Electronics, Alloy 20 Seamless Pipes For Health care, Incoloy® alloy 20 Seamless Pipes For Pulp and Paper Industry, Incoloy® alloy 20 Seamless Pipes For Rail Transport.

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