Alloy Steel P91 Seamless Round Pipe
Chrome Moly P91 Seamless Round Pipe, Alloy Steel P91 Seamless Round Pipe Supplier, Alloy Steel P91 Seamless Round Pipe Stockist.
How does alloy steel P91 seamless pipe compare to other steel pipe types in strength and durability?
Alloy Steel P91 Seamless Pipe stands out from other steel pipes due to its strength and durability. Compared to conventional carbon steel pipes, P91 Seamless Pipe exhibits significantly higher tensile strength, making it capable of withstanding greater pressure and stress. This enhanced strength is primarily attributed to the alloying elements in P91, such as chromium, molybdenum, and vanadium, contributing to its remarkable mechanical properties. The seamless manufacturing process also ensures a uniform and consistent structure, eliminating the weak points found in welded pipes.
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This seamless construction enhances the pipe's resistance to fatigue, corrosion, and cracking, making it highly durable even under harsh operating conditions. Furthermore, Alloy Steel P91 Seamless Pipe exhibits excellent creep resistance, allowing it to maintain its structural integrity even at elevated temperatures, which is crucial for applications in high-temperature environments. The combination of superior strength, durability, and resistance to various degradation positions alloy steel P91 seamless pipe as a reliable choice for demanding industrial applications.
What are the advantages and applications of alloy steel P91 seamless pipe in various industries?
Alloy steel P91 seamless pipe offers numerous advantages and finds extensive applications across various industries. It's exceptional strength and high tensile properties make it well-suited for applications that require withstanding high pressures and stresses, such as power generation, oil and gas, and petrochemical industries. P91 seamless pipe exhibits excellent corrosion, oxidation, and sulfidation resistance, making it suitable for environments with corrosive elements or high-temperature conditions. This corrosion resistance significantly extends the pipe's lifespan, reducing maintenance costs and enhancing operational efficiency.
Another advantage is its superior creep strength, enabling it to endure prolonged exposure to elevated temperatures without significant deformation. This feature makes P91 seamless pipe ideal for thermal power plants, heat exchangers, and steam pipeline applications. Furthermore, its seamless manufacturing process ensures a smooth internal surface, facilitating the efficient fluid flow and minimizing pressure losses. This characteristic makes P91 seamless pipe suitable for chemical processing, pharmaceutical, and food applications. The advantages of alloy steel P91 seamless pipe, including its strength, corrosion resistance, high-temperature capability, and smooth internal surface, make it a versatile and reliable choice for various industries and applications.
Pipe Standard | ASTM A335 / ASME SA335 |
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 / ERW / Welded / Fabricated |
Alloy Steel Seamless Pipe Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
Alloy 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 Alloy Steel Pipes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Chrome Moly P91 Seamless Round Pipe, Alloy Steel P91 Seamless Round Pipe Supplier, Alloy Steel P91 Seamless Round Pipe Stockist.
Chrome Moly P91 Seamless Square Pipe, Alloy Steel P91 Seamless Square Pipe Supplier, Alloy Steel P91 Seamless Square Pipe Stockist.
Chrome Moly P91 Seamless Rectangular Pipe, Alloy Steel P91 Seamless Rectangle Pipe Supplier, Alloy Steel P91 Seamless Rectangular Pipe Stockist.
Chrome Moly P91 Polished Seamless Pipe, Alloy Steel P91 Seamless Polished Pipe Supplier, Alloy Steel P91 Seamless Polished Pipe Stockist.
STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
CrMo P91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
Product | Price |
K91560 High Pressure Steel Seamless Pipe Price | US $ 2323 - 4267 / Ton |
Alloy Steel K91560 Seamless Pipe Price | US $ 1342 - 3457 / Ton |
ASTM A335 SCH 5S Plain End Alloy Steel P91 Seamless Pipe Price List | $632.00 - $1,335.00/ Ton |
Custom Size 4 Inch CrMo 1.4903 Seamless Pipes Price | US $ 1653 - 14374 / Ton |
Austenitic Chrome Moly P91 Seamless Pipe Price Per KG | $1222.00 - $3443.00/ Ton |
Grade P91 Alloy Steel Seamless Pipe Price List | $733 - 148/ Ton |
20mm Diameter Polished Chrome Moly P91 Seamless Pipes Price | $858.00 - $1,323.00/ Ton |
Schedule 10 CrMo P91 Seamless Pipes Price | $1,374.00 - $2,734.00/ Ton |
Alloy Steel 1.4903 Square Seamless Pipe Price List | US $ 26 - 37 / kg |
Avoid those problems that occur with low-quality alloy steel P91 seamless pipes by getting high-quality alloy steel P91 seamless pipes at competitive prices from us. Give us a call or send us an email to discuss how we can help you build your business. Working with such an esteemed client as you will make us happy.
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Rolling and welding
Firstly, the alloy steel strips are made to gone through various quality checks and are trimmed at edges. They are then fed to the tubes mill by alloy 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 alloy 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 alloy 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 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 alloy steel pipe applications, these pipes and tubes are used thereafter for.
Grade | C | Mn | Si | S | P | Cr | Mo |
P91 | 0.08-0.12 | 0.30-0.60 | 0.20 -0.50 | 0.010 max | 0.020 max | 8.00 - 9.50 | 0.85 - 1.05 |
Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
P91 | 585 min | 415 min | 20 min |
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 |
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 Alloy Steel P91 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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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 |
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