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Alloy Steel P91 Pipes

Specialized Manufacturer of Alloy Steel UNS K91560 Pipes, Alloy Steel P91 Seamless Pipe Supplier in India.

With its remarkable strength and endurance, seamless Alloy Steel P91 pipes are an essential part of high-temperature, high-pressure industrial applications. P91 steel, an alloy steel consisting of components such as molybdenum (1%), and chromium (9%) is used to make these pipes. These components work together to improve the material's overall toughness, tensile strength, and heat resistance, making it appropriate for harsh conditions. P91 steel is frequently used in high-temperature, high-pressure industries such chemical processing, petrochemicals, and power generation. One of the alloy's biggest benefits is that it can endure harsh environments without losing its structural integrity. This makes it perfect for parts where resistance to corrosion and thermal stress are essential, such as boiler tubes, superheater tubes, and reheater pipes.
A solid steel billet is heated and formed into a pipe shape without the need for welding in the seamless pipe production process, producing a consistent and superior end product. By reducing the possibility of flaws and weak spots, this procedure guarantees that the pipes can withstand high pressure situations.

ASTM A335 Alloy Steel P91 Pipe

Chrome Moly ASME SA335 P91 Pipe, ASTM A335 P91 Seamless Pipes Exporter.

P91 seamless pipes are prized for their ability to withstand oxidation and carburization at high temperatures, which increases both their dependability and lifespan. They are frequently employed at steam conditions that are supercritical and ultra-supercritical, when safety and efficiency are crucial.

Alloy Steel P91 Pipes Specification

Pipe Specification : ASTM A335, A691 / ASME SA335, SA691

Size : 1/2" NB To 36" NB

Outside Diameter (OD) : 19.05mm – 114.3mm

Wall Thickness : 2.0mm – 14 mm

Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Type : Seamless / EFW / Cold Drawn / Annealed & Pickled / Hot Finished / Extruded / Structural

Form : Round Pipes

Length : Single Random, Double Random & Cut Length

End : Plain End, Beveled End, Threaded

End Protection : Plastic Caps

Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Origin : Indian Origin, European Origin, Japanese Origin

Testing and Documents : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports

Packing : Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests


A Wide Range of ASTM A335 P91 Alloy Steel Pipes at Best Price.

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ASTM A335 Alloy Steel P91 Pipe Available Type
Alloy Steel P91 Seamless Pipe

Alloy Steel P91 Seamless Pipe

Alloy Steel P91 High Pressure Steel Pipe

Alloy Steel P91 High Pressure Steel Pipe

Alloy Steel P91 Pipe

Alloy Steel P91 Pipe

Alloy Steel P91 Custom Pipe

Alloy Steel P91 Custom Pipe

Seamless Ferritic Alloy Steel P91 Pipe

Seamless Ferritic Alloy Steel P91 Pipe

Alloy Steel P91 Round Pipe

Alloy Steel P91 Round Pipe

ASTM A335 P91 Chrome Moly Pipe

ASTM A335 P91 Chrome Moly Pipe

Alloy Steel P91 Boiler Pipe

Alloy Steel P91 Boiler Pipe


ASME SA335 Alloy Steel P91 Seamless Pipes Equivalent Standards
GRADE UNS TRADE NAME
P91 K91560 P91

Chemical Composition of Grade P91 Alloy Steel Pipes
C, % Mn, % P, % S, % Si, % Cr, % Mo, %
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

Mechanical Properties of ASTM A335 Alloy Steel UNS K91560 Pipes
Tensile Strength, MPa Yield Strength, MPa Elongation, %
585 min 415 min 20 min

Outside Diameter & Tolerance of ASTM A335 Alloy Steel Gr P91 Pipes
 A450 Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14
ASTM A530 & ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%


Other Types of Alloy Steel P91 Pipe

Alloy Steel P91 Pipes
Alloy Steel P91 Seamless Pipe
Chrome Moly P91 Pipe
ASTM A335 CrMo P91 Pipe
P91 Alloy Steel Pipes
Alloy Steel ASTM A335 Gr P91 Pipes
Alloy Steel A691 EFW Pipes
Alloy Steel EFW Pipes Stockist
ASTM A335 P91 Chrome Moly Pipe Supplier
High Pressure Alloy P91 Seamless Pipe Exporter
K91560 Alloy Steel Pipe
UNS K91560 Custom Pipe Dealer
Alloy Steel P91 Pipe
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Grade P91 Alloy Steel Pipes
Grade P91 Alloy Steel Pipe Specification

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High Quality P91 Alloy Steel Pipe
ASTM A335 P91 Boiler Pipe


Main Countries We Deliver ASTM A335 Alloy Steel P91 Pipe

We have regular exports of Alloy Steel P91 Pipes in Europe, Kuwait, Bangladesh, UAE, Hong Kong, Poland, Bahrain, Jordan, Nepal, United States, Algeria, Yemen, Spain, Qatar, Ghana, Malaysia, Philippines, United Kingdom, Chile, Azerbaijan, Lithuania, Saudi Arabia, Iran, Trinidad & Tobago,Tunisia, Turkey, Brazil, Iran, Poland, Japan, France, USA, Belgium, Thailand, Estonia, Brazil, Vietnam, China, Chile, Costa Rica, Iran, Japan, Malaysia, Congo, Germany, Egypt, Tibet, United Arab Emirates, South Africa, South Korea, Ireland, Finland, Italy, Taiwan, Sweden, Czech Republic, Iraq, Puerto Rico, Austria, Ukraine, Mexico, Pakistan, Portugal, Netherlands, Denmark, Sri Lanka, Gabon, Kazakhstan, Bulgaria, Angola, Bhutan, Romania, Indonesia, Ecuador, Canada, Nigeria, Singapore, Argentina, Israel, Venezuela, Nigeria, Afghanistan, Bolivia, Peru, Russia, Switzerland, Libya, Kenya, Macau, New Zealand, Lebanon, Belarus, Mongolia, Croatia, Gambia, Morocco, Slovakia, Australia, Colombia, Norway, Oman, Hungary, Mexico, India, Zimbabwe, Namibia, Serbia, Greece.

Cities We Deliver ASTM A335 P91 Alloy Steel Seamless Pipe

We are Leading Supplier of ASTM A335 P91 Alloy Steel Pipe in Mumbai, Maharashtra, Gujarat, Jamshedpur, Pune, Thiruvanthapuram, Jaipur, Lucknow, Coimbatore, Imphal, Mysore, Ratlam, Delhi, Kanpur, Darjeeling, Jalandhar, Nagpur, Solapur, Kolkata, Allahabad, Dehradun, Jammu, Nashik, Srinagar, Chennai, Ahmedabad, Faridabad, Bhadravati, Chattisgarh, Durgapur, Asansol, Hospet, Bellary, Visakhapatnam, Nellore, Surat, Bangalore, Chandigarh, Ghaziabad, Jhansi, Patna, Siliguri, Hyderabad, Amritsar, Noida, Kochi, Aizawl, Guwahati, Kozhikode, Raipur, Vishakhapatnam, Jabalpur, Bhopal, Gwalior, Ludhiana, Rajahmundry, Thane, Agra, Bhubaneshwar, Gurgaon, Madurai, Rajkot, Varanasi, Bhilai, Haridwar, Meerut, Ranchi, Ahmednagar, Akola, Amravati, Aurangabad, Baramati, Beed, Bhandara, Bhiwandi, Buldhana, Chandrapur, Chimur, Dahanu, Dhule, Dindori, Erandol, Gadchiroli, Hatkanangle, Hingoli, Ichalkaranji, Jalgaon, Jalna, Karad, Khed, Yavatmal, Kolaba, Kolhapur, Kopargaon, Latur, Malegaon, Mumbai, Nagpur, Nanded, Nandurbar, Nashik, Osmanabad, Pandharpur, Parbhani, Rajapur, Ramtek, Ratnagiri, Raver, Sangli, Satara, Shirdi, Shirur, Solapur, Thane, Wardha, Washim, Andhra Pradesh, Jammu and Kashmir, Nagaland, Uttarakhand, Haryana, Lakshadweep, Arunachal Pradesh, Jharkhand, Odisha, West Bengal, Himachal Pradesh, Assam, Karnataka, Punjab, Andaman and Nicobar Islands, Puducherry, Bihar, Kerala, Rajasthan, Chandigarh, Meghalaya, Chhattisgarh, Madhya Pradesh, Sikkim, Dadar and Nagar Haveli, Mizoram, Goa, Tamil Nadu, Daman and Diu, Tripura, Manipur, Telangana, Delhi, Uttar Pradesh in India.