Alloy Steel P91
Pipes & Tubes
Alloy Steel P91 Pipes & Tubes
Alloy Steel P91 Pipes and Alloy Steel T91 Tubes are high-performance materials widely used in various industries for their excellent mechanical properties, corrosion resistance, and high-temperature strength. These alloy steel products are specifically designed to withstand harsh environments and demanding applications, making them suitable for applications such as power generation, petrochemical, and more.
Alloy Steel P91 Pipes:
Alloy Steel P91, also known as ASTM A335 P91, is a chromium-molybdenum alloy that offers exceptional high-temperature strength and oxidation resistance. These pipes are commonly used in power plants for superheater and reheater tubing, where they are exposed to extremely high temperatures and pressure. The unique combination of alloying elements in P91 pipes ensures they maintain their integrity even under such severe conditions.
Alloy Steel P91 Pipes are available in various sizes and wall thicknesses to suit different application requirements. They are known for their resistance to creep and thermal fatigue, making them ideal for long-term, high-temperature service.
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Alloy Steel T91 Tubes:
Alloy Steel T91, also known as ASTM A213 T91, is another popular alloy steel material. These tubes are widely used in industries such as petrochemical, chemical, and power generation due to their outstanding corrosion resistance and high-temperature properties. T91 tubes are well-suited for applications where aggressive chemicals and elevated temperatures are common.
Alloy Steel T91 Tubes exhibit excellent tensile strength, which makes them suitable for structural applications in addition to their corrosion resistance. They are often used in heat exchangers, boilers, and superheaters where they provide reliable performance in demanding environments.
Both Alloy Steel P91 Pipes and Alloy Steel T91 Tubes are readily available in the market and can be customized to meet specific project requirements. Manufacturers produce them with strict quality control processes to ensure they meet industry standards and customer expectations. These alloy steel products are known for their durability, reliability, and long service life, making them a preferred choice for industries that require materials that can withstand extreme conditions.
Nickel alloy Alloy Steel P91 pipes & tubes have revolutionized how industries function today. The combination of its properties, like corrosion resistance, mechanical strength, and durability, make it the perfect material for high-performance applications.
Alloy Steel P91 Pipe Manufacturing Process
1. Rolling&
Welding
2. The Cleaning & Heating Phase
3. Cold - Drawing Process
4. Finishing Process
Specification of Alloy Steel P91 Pipes & Tubes
| Specifications | ASTM A213, A249, A269, A312, A358 / ASME SA213, SA249, SA269, SA312, SA358 |
| Seamless Pipes & Tubes Size | 1 / 8" NB - 24" NB |
| ERW Pipes & Tubes Size | 1 / 8" NB - 36" NB |
| EFW Pipes & Tubes Size | 6" NB - 100" NB |
| Length | Single Random, Double Random & Required Length |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Schedule | SCH20, SCh20, SCh30, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Types | Seamless / ERW / EFW / Welded / Fabricated / LSAW Pipes |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Key markets and industries | Bitumen upgraders. |
| Heavy oil refineries. | |
| Petrochemicals and acids. | |
| Nuclear power (mostly seamless). | |
| Test Certificates | EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc | |
| End | Plain End, Beveled End, Treaded |
| Grades | TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L. |
Types of Alloy Steel P91 Pipes & Tubes

Alloy Steel P91 Seamless Pipes

Alloy Steel P91 Welded Pipes

Alloy Steel P91 ERW Pipes

Alloy Steel P91 EFW Pipes

Alloy Steel P91 Seamless Tubes

Alloy Steel P91 Weled Tubes

Alloy Steel P91 ERW Tubes

Alloy Steel P91 Rectangular Pipes

Alloy Steel P91 Square Pipe
Alloy Steel P91 Pipes & Tubes Other Types
Alloy Steel P91 Pipes Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
|---|---|---|---|
| Alloy Steel P91 / T91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
Chemical Composition of Alloy Steel P91 Pipes & TUBES
| Grade | C | Mn | P | S | Si | Cr | Mo | V | N | Ni | Al | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy Steel P91 / T91 | 0.08-0.12 | 0.30-0.60 | 0.020 max | 0.010 max | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.40 max | 0.04 max | 0.06-0.10 |
Alloy Steel P91 Pipes & Tubes Mechanical Properties
| Grade | Tensile Strength, Mpa | Yield Strength, Mpa | Elongation, % | Hardness, HB |
|---|---|---|---|---|
| Alloy Steel P91 / T91 | 585 min | 415 min | 20 min | 250 max |
Alloy Steel P91 Pipes & Tubes Price, Dimension, Weight Details
Countries & Cities we Export Pipes & Tubes To
Vietnam, Kuwait, Russia, Thailand, North Korea, Singapore, Nepal, Kyrgyzstan, Bangladesh, Armenia, Bhutan, Qatar, Azerbaijan, Maldives, Iraq, Egypt, Philippines, Oman, Jordan, United Arab Emirates, Japan, South Korea, Lebanon, China, Macau, Mongolia, Taiwan, Turkey, Myanmar, Afghanistan, Iran, British, Bahrain, Sri Lanka, Indonesia, Saudi Arabia, Hong Kong, Israel, Malaysia, India.
Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Malta, Romania, Portugal, Turkey, Estonia, Serbia, Norway, Germany, Finland, Netherlands, Monaco, Poland, Sweden, Slovakia, United Kingdom, Hungary, Moldova, Russia, Liechtenstein, Croatia, Switzerland, Ireland, Cyprus, Czechia/Czech Republic, Spain, Denmark, France, Latvia, Greece, Ukraine, Lithuania, Italy, Luxembourg.
Algeria, Angola, Botswana, Burkina Faso, Burundi, Zimbabwe, Eswatini, Egypt, Rwanda, Kenya, Niger, South Africa, Ethiopia, Mozambique, Gambia, Namibia, Cameroon, Tanzania, Tunisia, Mauritius, Central African Republic, Madagascar, Uganda, Mauritania, Seychelles, Zambia, Morocco, Liberia, Nigeria, Libya, Senegal.
Antigua and Barbuda, Bahamas, Barbados, Belize, Saint Lucia, Costa Rica, Panama, Saint Vincent and the Grenadines, Dominican Republic, Dominica, United States of America, Grenada, El Salvador, Cuba, Canada, Guatemala, Honduras, Mexico, Jamaica, Trinidad and Tobago, Haiti, Nicaragua.
Venezuela, Nauru, Colombia, Kiribati, Paraguay, Chile, Australia, Suriname, Solomon Islands, Micronesia, Samoa, Bolivia, Marshall Islands, Argentina, Uruguay, Tuvalu, Peru, Fiji, Vanuatu, Palau, Guyana, New Zealand, Ecuador, Tonga, Papua New Guinea, Brazil.
Hobart, Glasgow, Jayapura, Mahboula, Antalya, Jakarta, Ottawa, Rouen, Liverpool, Ghayathi, Fahaheel, Southampton, Kazan, Sharjah, Lyon, Delhi, Banjarmasin, Mumbai, Ruwais, Vancouver, Barnaul, Krasnodar, Cologne, Novosibirsk, Winnipeg, Ballarat, Strasbourg, Montreal, Omsk, Chennai, Bandung, Lucknow, Düsseldorf, Bristol, Khor Fakkan, Bremen, Fethiye, Medan, Abdali, Mackay, Hawally, Moscow, Bursa, Izmir, Manchester, Perth, Marseille, Darwin, Denpasar, Brisbane, Oxford, Melbourne, Toronto, Paris, Bordeaux, Volgograd, Al Ain, Berlin, Hyderabad, Dubai, Denizli, Konya, Nice, London, Lyon, Munich, Surabaya, Essen, Hamburg, Edirne, Fintas, Navi Mumbai, Saint Petersburg, Ahmedabad, Yogyakarta, Sydney, Quebec City, Fujairah, Toulouse, Mississauga, Makassar, Istanbul, Brampton, Dresden, Al Ahmadi, Surrey, Abu Dhabi, Edinburgh, Bangalore, Birmingham, Lille, Ajman, Chelyabinsk, Bhopal, Jabriya, Newcastle upon Tyne, Dortmund, Al Jahra, Sabah Al-Salem, Kolkata, Augsburg, Saratov, Trabzon, Ankara, Salmiya, Batam, Hatta, Adelaide, Hamilton, Bendigo.
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