What is stainless steel 446 seamless pipes, and what are their main characteristics?

Stainless Steel 446 Seamless Pipe is a type of stainless steel pipe manufactured without any welded joints, ensuring a continuous and smooth structure. It is specifically composed of an alloy containing high levels of chromium, which imparts excellent resistance to oxidation and corrosion at high temperatures. One of the key characteristics of Stainless Steel 446 Seamless Pipe is its exceptional heat resistance. It is suitable for applications in environments with elevated temperatures, such as furnace components, heat exchangers, and industrial boilers.

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This grade of stainless steel exhibits good mechanical properties, including high strength and excellent resistance to thermal fatigue and creep. It also possesses good weldability and can be easily formed and fabricated. The combination of its heat resistance, corrosion resistance, and mechanical properties makes Stainless Steel 446 Seamless Pipe a popular choice in various industries, including chemical processing, petrochemical, power generation, and aerospace.

What are the advantages of using stainless steel 446 seamless pipe over other types of stainless steel pipes?

Stainless steel 446 seamless pipe offers several advantages over other stainless steel pipes. Its high chromium content provides superior resistance to oxidation and corrosion at elevated temperatures. That makes it highly suitable for applications where exposure to extreme heat or corrosive environments is a concern. The seamless manufacturing process eliminated the presence of welded joints, resulting in a pipe with enhanced structural integrity and reduced vulnerability to leaks or failure. The absence of welds also contributes to improved flow characteristics, making stainless steel 446 seamless pipe ideal for applications that require smooth and uninterrupted fluid or gas flow.

Stainless steel 446 exhibits excellent thermal fatigue and creep resistance, enabling it to withstand cyclic heating and cooling without significant degradation. Its good mechanical properties, such as high strength and flexibility, further enhance its reliability and longevity in demanding operating conditions.

Specification Of 446 Stainless Steel Seamless Pipe

Pipe Standard ASTM A312 ASME SA312
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
Stainless Steel Seamless Pipe Shapes Hydraulic, Round, Rectangle, Square, Hex, Honed
Stainless 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 Stainless Steel Pipes, Finish as per customer Requirements
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

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Types Of Stainless Steel 446 Seamless Pipes

Stainless Steel 446 Round Pipe

446 Stainless Steel Seamless Round Pipe

SS 446 Seamless Round Pipe, Stainless Steel 446 Seamless Round Pipe Supplier, Stainless Steel 446 Seamless Round Pipe Stockist.

Stainless Steel 446 Square Pipe

446 Stainless Steel Seamless Square Pipe

SS 446 Seamless Square Pipe, Stainless Steel 446 Seamless Square Pipe Supplier, Stainless Steel 446 Seamless Square Pipe Stockist.

Stainless Steel 446 Rectangular Pipe

446 Stainless Steel Rectangular Seamless Pipe

SS 446 Seamless Rectangular Pipe, Stainless Steel 446 Seamless Rectangle Pipe Supplier, Stainless Steel 446 Seamless Rectangular Pipe Stockist.

Stainless Steel 446 Polished Pipe

446 Stainless Steel Polished Seamless Pipe

SS 446 Polished Seamless Pipe, Stainless Steel 446 Seamless Polished Pipe Supplier, Stainless Steel 446 Seamless Polished Pipe Stockist.

Widest Range of 446 Stainless Steel Seamless Pipes in Mumbai, India.

  • Widest RangeStainless Steel 446 Electropolish Seamless Pipe
  • Widest RangeSchedule 5 Stainless Steel 446 Seamless Pipe
  • Widest RangeSchedule 80 Stainless Steel 446 Seamless Pipe
  • Widest RangeSchedule XXS Stainless Steel 446 Seamless Pipe
  • Widest RangeSchedule 160 Stainless Steel 446 Seamless Pipe
  • Widest Range446 SS Seamless Pipe HSN Code
  • Widest RangeSchedule 10 Stainless Steel 446 Seamless Pipe
  • Widest RangeSchedule XS Stainless Steel 446 Seamless Pipe
  • Widest Range446 SS Seamless Thin Wall Pipe
  • Widest RangeSchedule 40 Stainless Steel 446 Seamless Pipe
  • Widest RangeStainless Steel 446 Seamless Round Pipe
  • Widest RangeASME SA312 Stainless Steel 446 Seamless Pipe
  • Widest RangeLarge Diameter Stainless Steel 446 Seamless Pipe
  • Widest Range446 Stainless Steel Hydraulic Seamless Pipe
  • Widest RangeASTM A312 Stainless Steel 446 Seamless Pipe
  • Widest RangeStainless Steel 446 Seamless Hollow Pipe
  • Widest RangeASTM A312 SS 446 Seamless Pipe
  • Widest Range446 Stainless Steel Seamless Pipe Price 20 Feet
  • Widest RangeASME SA312 SS 446 Seamless Pipe
  • Widest Range446 Stainless Steel Rectangular Seamless Pipes

Check Stainless Steel 446 Pipes Types In Detail

446 Stainless Steel Seamless Pipes Equivalent Grades

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
446 S44600 1.4762 / 1.4763

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446 Stainless Steel Seamless Pipes Price

Product Price
Austenitic Stainless Steel 446 Seamless Pipe Price Per KG $1272.00 - $4560.00/ Ton
S44600 Stainless Steel Seamless Pipe Price US $ 2271 - 4043 / Ton
ASTM A312 SCH 5S Plain End Stainless Steel 446 Seamless Pipe Price List $772.00 - $1,300.00/ Ton
446 SS Seamless Pipe Price List $637 - 1474/ Ton
SS 1.4762 Square Seamless Pipe Price List US $ 25 - 34 / kg
Schedule 10 Stainless Steel 446 Seamless Pipes Price $1,823.00 - $2,543.00/ Ton
Stainless Steel S44600 Seamless Pipe Price US $ 2327 - 1304 / Ton
Custom Size 4 Inch SS 1.4762 Seamless Pipes Price US $ 3312 - 17460 / Ton
20mm Diameter Polished Stainless Steel 446 Seamless Pipes Price $872.10 - $1,360.00/ Ton

For Quotation & Questions Related To Stainless Steel 446 Seamless Pipes

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Stainless Steel 446 Seamless Pipe Manufacturing Process

Rolling and welding

Firstly, the stainless steel strips are made to gone through various quality checks and are trimmed at edges. They are then fed to the tubes mill by stainless 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 stainless steel 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 stainless steel 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 stainless steel pipe applications, these pipes and tubes are used thereafter for.

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Chemical Composition Of Stainless Steel 446 Seamless Pipe

Grade C Mn Si P S Cr Mo Ni N
446 min. 23.0 0.10
max. 0.2 1.5 0.75 0.040 0.030 30.0 0.50 0.25

Mechanical Properties Of 446 Stainless Steel Seamless Piping

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
446 485 275 20 92 201

Testing & Inspection of 446 Stainless Steel 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

Stainless Steel 446 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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Supply Cities Of Stainless Steel 446 Seamless Pipes

The cities listed here are where we have supplied our grade 446 stainless steel seamless pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 446 seamless pipes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of 446 Stainless Steel 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 Stainless Steel 446 Seamless Pipes

446 Stainless Steel Seamless Pipes For Manufacturing, 446 Stainless Steel Seamless Pipes For Production, Stainless Steel 446 Seamless Pipes For Technology, 446 Stainless Steel Seamless Pipes For Agriculture, 446 Stainless Steel Seamless Pipes For Factory, 446 Stainless Steel Seamless Pipes For Food Industry, 446 Stainless Steel Seamless Pipes For Tertiary Sector, Stainless Steel 1.4762 Pipes For Construction, 446 Stainless Steel Seamless Pipes For Chemical Industry, Stainless Steel 1.4762 Seamless Pipes For Waste, UNS S44600 Seamless Pipes For Mining, 446 Stainless Steel Seamless Pipes For Energy, 446 Stainless Steel Seamless Pipes For Pharmaceutical Industry, 446 Stainless Steel Seamless Pipes For Transport, Stainless Steel 446 Seamless Pipes For Real Estate, Stainless Steel 1.4762 Seamless Pipes For Textile Industry, UNS S44600 Seamless Pipes For Engineering, 446 Stainless Steel Seamless Pipes For Electronics, 446 SS Seamless Pipes For Health care, 446 Stainless Steel Seamless Pipes For Pulp and Paper Industry, 446 Stainless Steel Seamless Pipes For Rail Transport.

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