- +91 22 6777 6777
- info@aesteiron.com
Up To 1100°F (593°C)
Refinery heater & boiler duty
Normalized & Tempered
Full microstructure control per heat
ASTM A335 / ASME SA335
UNS S50400, dual-certified every heat
Hydrotested, EN 10204 3.1 MTC
UT, RT & PMI on request
1/2″ – 24″ NPS
Ex-stock in every common schedule
9% Chromium, 1% Molybdenum
Built for sulfidic, high-temp service
Direct Stockist Pricing
No broker layer added to your cost
Third-Party Ready
SGS, Bureau Veritas, TUV, Lloyd’s
Cut & Bevel On Request
Job-ready pipe, no rework at site
Quote In 48 Hours
Grade, size & schedule priced fast
FCL/LCL Export
Middle East, Africa & the Americas
UNS S50400 Certified
Dual ASTM & ASME marked, every heat
📌 Table of Contents
A quick reference to the ASTM A335 P9 Pipe specification, covering standard, size and finish so buyers get the details in one glance.
Heat treatment sets the final microstructure, giving the pipe its strength and long-term stability in service.
Stress relieve after field welding
Alternate route for softer condition
730–780°C, restores ductility
900–950°C, refines grain for toughness
Each ASTM A335 P9 Pipe type stays pre-cut in stock, ready for same-week dispatch.
Trusted ASTM A335 P9 Pipe Stockist in Mumbai offering a size-wise weight chart for accurate order planning.
| Size | O.D. (inch) | I.D. (inch) | W.T. (inch) | Weight/ft (lbs) |
|---|---|---|---|---|
| 1/2″ | 0.84 | 0.622 | 0.109 | 0.85 |
| 3/4″ | 1.06 | 0.824 | 0.113 | 1.13 |
| 1″ | 1.316 | 1.049 | 0.134 | 1.68 |
| 1¼″ | 1.67 | 1.380 | 0.140 | 2.27 |
| 1½″ | 1.90 | 1.610 | 0.145 | 2.72 |
| 2″ | 2.375 | 2.157 | 0.109 | 2.64 |
| 2½″ | 2.875 | 2.635 | 0.120 | 3.53 |
| 3″ | 3.50 | 3.260 | 0.120 | 4.34 |
| 3½″ | 4.0 | 3.760 | 0.120 | 4.98 |
| 4″ | 4.5 | 4.260 | 0.120 | 5.62 |
| 5″ | 5.563 | 5.187 | 0.188 | 10.80 |
| 6″ | 6.625 | 6.407 | 0.109 | 7.59 |
| NPS | SCH 40 / STD | SCH 80 / XS | SCH 160 | XXS |
|---|---|---|---|---|
| 6″ | 7.11 | 10.97 | 18.26 | 21.95 |
| 1/2″ | 2.77 | 3.73 | 4.78 | 7.47 |
| 8″ | 8.18 | 12.70 | 23.01 | 22.23 |
| 2″ | 3.91 | 5.54 | 8.74 | 11.07 |
| 4″ | 6.02 | 8.56 | 13.49 | 17.12 |
| 1″ | 3.38 | 4.55 | 6.35 | 9.09 |
Cities and Countries We Regularly Ship To
Trusted ASTM A335 P9 Pipe Exporter in India offering a transparent price list based on size, schedule and finish for accurate order planning.
FOB / CFR / CIF freight basis
Cutting, beveling add-ons
Thicker wall raises unit cost
FCL orders reduce per-kg price
3rd-party inspection scope
Chromium & Moly market rates
Send us your size, schedule and length and our desk will get back with pricing, MTC and lead time within 48 hours.
Trusted ASTM A335 P9 Pipe Exporter in India shipping every consignment under HSN code 7304 with complete customs documentation.
Every order ships with proper packing and complete export documentation.
Bill Of Lading
Original B/L issued per shipment for customs clearancePipe End Capping
Plastic end caps keep threads and bore free of dirt in transitContainer Loading Plan
Stuffing plan matched to container tare and axle limitsAnti-Rust Wrapping
VCI wrap applied before bundling for sea-transit protectionBundled & Steel Strapped
Steel strapping secures each bundle for crane handlingPacking List & COO
Itemised packing list with Certificate of Origin in every setCertificate Of Inspection
Third-party inspection certificate accompanies each consignmentWooden Crating
Export-grade crating for smaller diameter and fitting ordersTrusted ASTM A335 P9 Pipe Supplier in India backed by dual ASTM and ASME certification on every heat.
Choosing the right schedule comes down to matching wall thickness with your pressure and temperature requirements.
Match rating to duty
Confirm °F/°C ceiling
Sulfidic or hydrogen service
ASME B31.1 / B31.3 rules
Global buyers choose us as their ASTM A335 P9 Pipe Exporter for quality and transparent pricing.
Power Plant Superheaters
Handles superheated steam duty above carbon steel limitsIBR Boiler Steam Lines
IBR-approved for Indian boiler steam distributionPetrochemical Transfer Lines
Resists sulfidic attack in hydrocarbon transfer serviceSulfur Recovery Units
Withstands corrosive sulfur-bearing process streamsRefinery Heater Tubing
Rated for sustained heater-coil operating temperaturesFertilizer Plant Piping
Copes with high-pressure ammonia and urea process linesCrude Distillation Headers
Carries crude vapour headers at elevated column temperatureHydroprocessing Units
Built for hydrogen and sulfur duty in hydroprocessing serviceEach heat is backed by EN 10204 3.1/3.2 MTC, complete export paperwork and container-ready packing.
Trusted ASTM A335 P9 Pipe Supplier in India supporting SAW and ERW welding methods for large-diameter project requirements.
200–300°C before arc strike
GTAW with ER505 filler
SMAW with E505XX electrode
730–760°C stress relief
RT / UT weld verification
Each batch goes through a defined set of tests to confirm the pipe meets grade and safety requirements.
PMI
Positive Material Identification confirms alloy content per lengthImpact Test
Charpy impact test verifies toughness at specified temperatureHydro Test
Every length hydrostatically tested to specified pressureMacro / Micro Test
Confirms grain structure and weld integrity under magnificationFlattening Test
Checks ductility and weld soundness under flattening loadSGS / BV / TUV
Third-party witness testing available on requestChemical Composition Test
Spectrometric analysis confirms Cr, Mo and C contentUltrasonic Test
UT scan detects internal flaws before dispatchWe stock and move P9 pipe from leading global mills through regional points across Africa, the Middle East and the Americas.
Brazil
Supplier of Vallourec Tubos do Brasil & ArcelorMittal P9 Pipe Supplier
Lagos, Nigeria
Authorised Stockist of Jindal SAW & ISMT P9 Pipe Stockist
Baku, Azerbaijan
Distributor for TPCO & Salzgitter Mannesmann P9 Pipe Distributor
Argentina
Stockist of Tenaris Siderca P9 Seamless Pipe Stockist
Cairo, Egypt
Stocking Distributor for Tenaris & Vallourec P9 Pipe Distributor
Dakar, Senegal
Stocking Distributor for Vallourec & Tenaris P9 Pipe Distributor
Mexico
Stockholder for Tenaris (TAMSA) P9 Pipe Stockholder
Johannesburg, South Africa
Supplier & Stockholder for ISMT & Salzgitter Mannesmann P9 Pipe Stockholder
Algeria
Supplier of ArcelorMittal & Vallourec P9 Seamless Pipe Supplier
Addis Ababa, Ethiopia
Supplier of Jindal SAW & Vallourec P9 Pipe Supplier
Casablanca & Tangier, Morocco
Distributor for TPCO & ArcelorMittal P9 Pipe Distributor
Yerevan, Armenia
Supplier of Vallourec & ISMT P9 Pipe Supplier
Share your size, schedule and length – Aesteiron’s desk replies with pricing, MTC and lead time within 48 hours.
JFE Steel
Tenaris
Maharashtra Seamless
Vallourec
TPCO
ArcelorMittal
Tubacex
ISMT
Nippon Steel
Salzgitter Mannesmann
Jindal SAW
Ratnamani Metals & Tubes
Every pipe is permanently marked with grade, heat number and standard for full traceability.
Size (OD × WT)
Outer diameter and wall thickness stencilled on every lengthThird-Party Inspection Stamp
Inspector’s stamp confirms witnessed test completionCountry Of Origin
Origin marking required for customs and end-user recordsManufacturer Mark
Mill identification stamped for full traceabilityHeat / Lot Number
Heat number links pipe back to its original mill certificateGrade P9
Grade marking confirms material meets ASTM A335 P9 specBatch / Coil Number
Batch reference ties each length to its production runSpec ASTM A335
Governing specification marked for inspector referenceOur cutting shop preps every pipe job-ready before dispatch, saving your site crew an extra step.
Reliable ASTM A335 P9 Pipe Stockist in Mumbai holding ready inventory within ASTM A999 mill tolerance limits.
Confirm project-specific acceptance criteria on your ASTM A335 P9 Pipe Material Specification sheet.
Use this cross-reference to match the grade against equivalent standards used in other regions.
OD tolerance tightens on smaller bore sizes and is checked at multiple points along each length.
Tensile values reflect ASTM A335 minimums, and IBR shell inspectors may request project specific test coupons.
Trusted ASTM A335 P9 Pipe Supplier in India offering pickling, passivation and anti-rust surface treatment on request.
Removes scale, improves finish
Uniform surface before coating
Standard as-rolled condition
Transit protection on export orders
Reliable ASTM A335 P9 Pipe Stockist in Mumbai supplying material within ASTM A335 chemical composition limits.
| Element | C | Mn | Si | Cr | Mo | P (max) | S (max) |
|---|---|---|---|---|---|---|---|
| SA335 Gr P9 | 0.15 max | 0.30–0.60 | 0.25–1.00 | 8.00–10.00 | 0.90–1.10 | 0.025 | 0.025 |
Snapshot of the projects and clients we've supplied P9 pipe to across different industries.
2″ SCH 80, ASTM A335 P9, PMI & hydro-tested, EN 10204 3.1 MTC.
Refinery EPC Contractor, Saudi Arabia
JUBAIL INDUSTRIAL CITY, KSA4″ SCH 40, seamless, PWHT, third-party witnessed.
Independent Power Producer, Nigeria
LAGOS, NIGERIA6″ SCH 80, ASTM A335 P9, NACE MR0175, SSCC tested.
Petrochemical Plant Contractor, USA
HOUSTON, TEXAS, USA8″ SCH 60, beveled ends, NACE MR0175, SGS inspected, DRL.
Gas Processing Facility, Egypt
ALEXANDRIA, EGYPT10″ SCH 80, PWHT & PMI certified, EN 10204 3.2 MTC.
Thermal Power Station, South Africa
JOHANNESBURG, SOUTH AFRICA12″ SCH 120, hot-bending & PWHT 760°C, third-party witnessed.
Refinery Modernisation Contractor, UAE
ABU DHABI, UAEP9 Pipe carries added Chromium and Molybdenum for better heat resistance, whereas Carbon Steel Pipe works fine only under normal temperature and pressure.
Go with P9 for tougher heat and sulfidic conditions since it holds more Chromium. P11 works well for lighter superheater duty at a lower cost.
Each batch is supplied with an EN 10204 3.1 certificate showing composition and strength data; 3.2 third-party certification is available if needed.
Stock sizes dispatch within 2 days of confirmation, while custom or bulk orders usually take 6 to 10 weeks based on size and testing needs.
P9 Pipe can handle service up to 593°C (1100°F), making it a solid pick for refinery heaters and demanding boiler lines.
Why Aesteiron?
Tools & Downloads
Conclusion
ASTM A335 P9 Pipe, available in Seamless and Welded form and conforming to ASTM A335 / ASME SA335, suits boiler and high-temperature piping needs. It is supplied by trusted ASTM A335 P9 Pipe Dealers across India for fast quotes.
Quick form – quote in 2 hours.
