ASTM A335 P9 Pipe

ASTM A335 P9 Pipe Manufacturer & Supplier in India

Katariya Steel is an ASTM A335 P9 Pipe Manufacturer & Supplier in India, offering P9 seamless pipes in a wide range of sizes, schedules and wall thicknesses. We supply pipes based on your required specifications, quantity and delivery requirements.

Whether you need ASTM A335 P9 pipes for a one-time purchase or regular supply, we provide the required material along with relevant quality and test documentation.

ASTM A335 P9 Alloy Steel Pipe Specifications

Specifications ASTM A335 / ASME SA335
Dimensions ASTM, ASME and API
Outside Diameter 6–2500 mm; WT: 1–200 mm
Wall Thickness 0.3 mm – 50 mm
Size 1/8" NB to 30" NB
Type Seamless
Length Single Random, Double Random & Required Length
End Plain End, Beveled End, Threaded
Schedules SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS & All Schedules
Inspection & Test Reports Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Reports & Non-Destructive Test Reports
Packing Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled or as per Customer Requirements
Specials Sizes and specifications other than the above can be manufactured on request

ASTM A335 P9 Pipe Chemical Composition

Element Composition (%)
Carbon (C) 0.15 max
Manganese (Mn) 0.30–0.60
Phosphorus (P) 0.025 max
Sulfur (S) 0.025 max
Silicon (Si) 0.25–1.00
Chromium (Cr) 8.00–10.00
Molybdenum (Mo) 0.90–1.10

ASTM A335 P9 Pipe Mechanical Properties

Property Minimum Requirement
Tensile Strength 415 MPa
Yield Strength 205 MPa
Elongation 30% longitudinal / 20% transverse

ASTM A335 P9 Pipe Equivalent Grades

Standard / Designation Grade / Designation
ASTM A335 P9
ASME SA335 P9
UNS K90941
JIS STPA 26
British Standard BS 3604 / 629
Material Description 9% Chromium – 1% Molybdenum Alloy Steel

ASTM A335 P9 Pipe Sizes & Dimensions

Nominal Pipe Size (NPS) Outside Diameter (OD) Common Schedule / Wall Thickness Options
1/8" 10.3 mm SCH 40, SCH 80, SCH 160
1/4" 13.7 mm SCH 40, SCH 80, SCH 160
3/8" 17.1 mm SCH 40, SCH 80, SCH 160
1/2" 21.3 mm SCH 40, SCH 80, SCH 160, XXS
3/4" 26.7 mm SCH 40, SCH 80, SCH 160, XXS
1" 33.4 mm SCH 40, SCH 80, SCH 160, XXS
1½" 48.3 mm SCH 40, SCH 80, SCH 160, XXS
2" 60.3 mm SCH 40, SCH 80, SCH 160, XXS
3" 88.9 mm SCH 40, SCH 80, SCH 160, XXS
4" 114.3 mm SCH 40, SCH 80, SCH 160, XXS
6" 168.3 mm SCH 40, SCH 80, SCH 160, XXS
8" 219.1 mm SCH 40, SCH 80, SCH 160
10" 273.1 mm SCH 40, SCH 80, SCH 160
12" 323.9 mm SCH 40, SCH 80, SCH 160
16" 406.4 mm Available in applicable wall thicknesses
20" 508.0 mm Available in applicable wall thicknesses
24" 609.6 mm Available in applicable wall thicknesses
30" 762.0 mm Available in applicable wall thicknesses

ASTM A335 P9 Pipe Features & Advantages

ASTM A335 P9 pipes combine chromium-molybdenum alloy properties with seamless construction, making them suitable for systems exposed to heat and demanding operating conditions. They are widely selected where material strength, oxidation resistance and long-term reliability are important.

Key Features

  • Heat Resistance – Helps the pipe retain its properties when exposed to high operating temperatures.
  • Oxidation Resistance – The chromium content helps protect the material against oxidation during heat service.
  • Chromium-Molybdenum Alloy – Provides the strength and material characteristics needed for demanding operating conditions.
  • Seamless Construction – Provides a continuous pipe structure for applications where material integrity is important.
  • Multiple Sizes & Schedules – Available in different sizes and wall thicknesses to suit project specifications.
  • Suitable for Fabrication – Can be used for bending, flanging and welding where permitted by the applicable design and specification.

Applications of ASTM A335 P9 Pipes

  • Power Generation Plants
  • Boilers
  • Superheater Systems
  • Refineries
  • Petrochemical Plants
  • Heat Exchangers
  • Steam Lines
  • Process Piping Systems
  • Oil and Gas Processing Facilities

Why Choose Katariya Steel for ASTM A335 P9 Pipes?

Katariya Steel supplies ASTM A335 P9 pipes with a focus on meeting the required material specifications, sizes and documentation for each order. Buyers can source P9 seamless pipes based on their quantity, schedule, dimensions and delivery requirements.

Our quality process includes material inspection and testing documentation, with relevant reports available depending on the order requirements. This helps buyers verify the supplied material before it is used in their project or production process.

ASTM A335 P9 Pipe Manufacturer, Supplier & Stockist in India

Katariya Steel supplies ASTM A335 P9 Pipes to buyers across India in the required sizes, schedules and quantities. Our supply range covers major industrial locations, allowing customers to source P9 seamless pipes for new projects, maintenance requirements and regular procurement.


Domestic Supply of ASTM A335 P9 Pipes

  • Mumbai
  • Pune
  • Ahmedabad
  • Chennai
  • Hyderabad
  • Bengaluru
  • Kolkata
  • New Delhi
  • Surat
  • Rajkot
  • Nagpur
  • Jamshedpur
  • Visakhapatnam
  • Nashik
  • Thane
  • Vadodara
  • Noida
  • Faridabad
  • Gurgaon
  • Jaipur
  • Indore
  • Ludhiana
  • Coimbatore
  • Secunderabad
  • Navi Mumbai

ASTM A335 P9 Pipe Exporter from India

Katariya Steel exports ASTM A335 P9 Pipes from India to customers across different international markets. We can supply P9 seamless pipes based on the required size, schedule, quantity and applicable documentation for export orders.


International Supply of ASTM A335 P9 Pipes

  • Saudi Arabia
  • United States
  • Japan
  • Singapore
  • Malaysia
  • Germany
  • Italy
  • United Kingdom
  • Canada
  • Oman
  • Qatar
  • Kuwait
  • Australia
  • South Africa
  • UAE
  • Thailand
  • South Korea
  • Indonesia
  • Vietnam
  • Turkey
  • Netherlands
  • Spain
  • Brazil

Get a Quote for ASTM A335 P9 Pipes

Share your required size, schedule, quantity and delivery location with Katariya Steel, and our team will help you with the relevant product and supply details.

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