P91 Pipes & Tubes Exporter In India, Global Supplier High Quality P91 Pipes & Tubes, P91 Pipes Suppliers,best price guaranteed of P91 Pipes & Tubes, ASTM A335 P91 Pipe, Alloy Steel A/SA 335 GR. P91 Pipes & Tubes, ASTM A335 P91 Alloy Steel Seamless Pipe.

P91 Seamless Alloy Pipe Exporter In India, ASTM A335 P91 Alloy Seamless pipes, ASTM A335 Alloy Steel Seamless Pipes Supplier,High Pressure Pipe Exporter

SA179tubes.com is Known as a renowned manufacturer and supplier of Alloy Steel P91 Pipe Tube, SA179tubes.com is used in numerous industries and applications. We make these pipes and tubes from raw materials that meet international quality standards. All the material used to manufacture these pipes and tubes is inspected to ensure that it can perform its best under the respective working conditions. Furthermore, the latest tools and machines are used to make pipes and tubes of precise dimensions. For a high-quality product, domestic and global specifications are added.

Sa179tubes.com supplies a wide variety of Alloy Pipes and Tubes to industries such as power generation, oil and gas, paper and pulp, chemical equipment, and food processing. We ensure that all required documents are provided at the time of product delivery. We offer numerous options for packaging and shipping, based on the requirements of our clients.

In addition to its corrosion resistance and strength, alloy steel P91 also has excellent hardenability. Chrome, molybdenum, and other elements contribute to the product’s excellent properties. 

This material features high tensile strength, durability, weldability, formability, long functional life, and corrosion resistance. It can withstand high temperatures without degrading. SA179tubes.com strives to provide our customers with high-quality products that meet their needs and requirements.

Alloy Steel P91 Seamless Pipes & Tubes Specification


ASTM A 335 ASME SA 335




1/8″NB TO 30″NB IN


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


Within 13500mm


Seamless / Fabricated


Round, Hydraulic Etc


Single Random, Double Random & Cut Length.


Plain End, Bevelled End, Treaded

Alloy Steel P91 Pipes & Tubes Chemical Composition

  C Cr Mn Mo P S Si
Alloy Steel P91 0.08-0.12 8.00 – 9.50 0.30-0.60 0.85 – 1.05 0.020 max 0.010 max 0.20 -0.50

Alloy Steel P91 Pipes & Tubes Tensile Strength

Tensile Strength, MPa Yield Strength, MPa Elongation
585 min 415 min 20 min

ASTM A335 Alloy Steel P91 Pipe Equivalent Grades

K91560 1.4903 A335 Grade P91 X10CrMoVNb9-1

ASTM A335 P91 Alloy Steel Seamless Pipes range

A335 P91 Alloy Steel Seamless Pipes Specification

ASTM A335 / ASME SA335

A335 P91 Alloy Steel Seamless Pipes Grades

ASTM A335 P5, ASTM A335 P9, ASTM A335 P11, ASTM A335 P22, ASTM A335 P91, ASME SA335 P5, ASME SA335 P9, ASME SA335 P11, ASME SA335 P22, ASME SA335 P91

A335 P91 Alloy Steel Seamless Pipes Type

Seamless – Hot Rolled / Cold Drawn

A335 P91 Alloy Steel Seamless Pipes Outer Diameter Size

A335 – 3/8″ NB to 30″ NB (Nominal Bore Size)

A335 P91 Alloy Steel Seamless Pipes Wall Thickness

Schedule 20 to Schedule XXS (Heavier On Request) Up to 250 mm Thickness

A335 P91 Alloy Steel Seamless Pipes Length

5 to 7 Metres, 09 to 13 Metres, Single Random Length, Double Random Length And Customise Size.

A335 P91 Alloy Steel Seamless Pipes Ends

Plain Ends / Bevelled Ends / Coupling

A335 P91 Alloy Steel Seamless Pipes Delivery Conditions

As Rolled, Cold Drawn, Normalising Rolled, Thermomechanical Rolled / Formed, Normalising Formed, Normalised and Tempered / Quenched and Tempered – BR / N / Q /T

A335 P91 Alloy Steel Seamless Pipes Coating

Epoxy Coating / Colour Paint Coating / 3LPE Coating.

A335 P91 Alloy Steel Seamless Pipes Other Testing

Tensile Test, Transverse Tension Tests, Flattening Test, Metal Structure and Etching Tests, Photomicrographs, Hardness Tests, etc.

A335 P91 Alloy Steel Seamless Pipes Dimension

All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API.

A335 P91 Alloy Steel Seamless Pipes Value Added Services

Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Galvanising / Heat Treatment

A335 P91 Alloy Steel Seamless Pipes Packaging

Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Bevelled Protector

A335 P91 Alloy Steel Seamless Pipes Shipment & Transportation

By Road – Truck / Train, By Sea – Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air – Freighter Civil Passenger and Cargo Planes

A335 P91 Alloy Steel Seamless Pipes Material Test Certificate

Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC

Chemical Requirements of A335 Alloy Steel Seamless Pipes







P-91 shall also include the following:


UNS Designation







0.15 max

0.15 max

0.05 – 0.15

0.05 – 0.15

0.08 – 0.12

V at 0.18 – 0.25


0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

N at 0.030 – 0.070

Phosphorous, max






Ni at 0.40 max

Sulfur, max






Al at 0.02 max


0.50 max

0.25 – 1.00

0.50 – 1.00

0.50 max

0.20 -0.50

Cb at 0.06 – 0.10


4.00 – 6.00

8.00 – 10.00

1.00 – 1.50

1.90 – 2.60

8.00 – 9.50

Ti at 0.01 max


0.45 -0.65

0.90 – 1.10

0.44 – 0.65

0.87 – 1.13

0.85 – 1.05

Zr at 0.01 max

ASTM A335 Grade P91 Alloy Steel Pipe Application Industries

Our Alloy Steel P91 Pipes are used in a wide range of applications and various industries. Below are a few of them:

  • Petrochemical Industry
  • Oil and Gas Industry
  • Chemical Industry
  • Power Plant Industry
  • Energy Industry
  • Pharmaceuticals Industry
  • Pulp & Paper Industry
  • Food Processing Industry
  • Aerospace Industry
  • Refining Industry

Countries we have exported P91 Pipes & Tubes to

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

Cities we have supplied P91 Pipes & Tubes to

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