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Alloy Steel Pipe

Stainless Steel Seamless Pipes
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Alloy Steel Pipe Manufacturer, Supplier & Exporter – ASTM A335 P Grades

Alloy Steel Pipe Manufacturer | ASTM A335 P5, P9, P11, P22, P91 Supplier

STAINLESS INDIA is a premier producer and holder of Alloy Steel Seamless Pipes conforming to ASTM A335 standards, specifically in P1, P5, P9, P11, P22, and P91 grades. These pipes serve critical applications in the Oil & Gas, Petrochemical, Power, Refinery, and Boiler sectors globally. We offer seamless, ERW, fabricated, and custom-cut chrome moly pipes at competitive ex-factory rates. Every pipe undergoes complete testing and includes full traceability, guaranteeing dependability and effectiveness even in the most demanding environments.

Alloy steel pipes are engineered for demanding conditions involving high pressure and elevated temperatures, owing to their superior mechanical strength, ease of welding, resistance to oxidation, and overall resilience.
These pipes are manufactured using cutting-edge production techniques, ensuring precise hardness control, an optimal microstructure, and exact dimensional specifications.

Product Range

Types of Alloy Steel Pipes & Tubes

Seamless Pipes
Seamless Tubes
Heat Exchanger Tubes
Boiler Tubes
U-Bend Tubes
Hollow Bars
Custom Mechanical Tubing
Dimensions
  • OD: 6mm to 600mm
  • Thickness: 1mm to 60mm
  • Length: Single, Double, Cut-length
Mechanical Properties
  • Tensile: 415–620 MPa
  • Yield: 205–450 MPa
  • Hardness: 150–250 HB
Testing Capabilities

Hydrostatic, Ultrasonic, PMI, Hardness, Flattening & Flaring Tests.

Certifications
  • EN 10204 3.1 / 3.2
  • IBR Approved
  • NACE MR0175
  • ISO Certified
Material Specifications

Grades We Offer

Specification Family Available Grades
ASTM A335 High-Temperature Service
P1 Alloy Steel P5 Seamless P9 Chrome Moly P11 Alloy Steel P22 High-Temp P91 Creep-Strength
Other Standards Global Specifications
ASTM A213 (Boiler) ASTM A209 ASTM A369 DIN / EN 10216 BS / JIS Standards
Technical Superiority

Key Features

High Strength & Durability

Possesses high tensile strength and excellent resistance to corrosion.

High-Temp Performance

Performs exceptionally well in challenging environments with high temperatures.

Rigorous Testing

Undergoes comprehensive radiography and non-destructive testing (NDT).

Formability

Can be easily welded, bent, and formed to meet specific requirements.

Full Traceability

Includes full MTC, third-party inspection reports, and compliance docs.

Industries & Applications

Oil & Gas Pipelines
Refineries
Petrochemical Plants
Boilers & Heat Exchangers
Power Plants
Fertilizer Industry
Nuclear Plants
Mechanical & Hydraulic
Shipbuilding & Marine

Documents Provided

  • Mill Test Certificate (EN 10204 3.1 / 3.2)
  • IBR Certificate (where relevant)
  • NACE MR0175 Conformance
  • Reports from Independent Inspection Agencies (TUV, DNV, BV, SGS)
  • Records of Heat Treatment and Mechanical Testing
  • Packing Slip, Sales Invoice, Certificate of Origin
Our Advantage

Why We Are the Best Alloy Steel Pipe Manufacturer?

Direct Manufacturer

Direct manufacturer with extensive inventory and complete in-house production facilities.

Advanced QA/QC

Featuring advanced quality assurance and strict quality control protocols.

Fully Certified

Certified by PED, ISO, and CE standards for global compliance.

Complete Traceability

Complete traceability provided with detailed test reports and clear markings.

Global Export

Global export capabilities supplying high-quality pipes to over 70 countries.

Tailored Solutions

Tailored lengths and specific grades available to meet unique project needs.

EPC Approved

Trusted EPC-approved supplier for essential and critical piping packages.

Rapid Delivery

Rapid delivery schedules paired with highly competitive global pricing.

Fully Tested

Fully tested products accompanied by Material Test Certificates (MTC).

Frequently Asked Questions – Alloy Steel Pipes

They are utilized in high-pressure and high-temperature settings such as boilers, refineries, and power generation facilities.

We offer P1, P5, P9, P11, P22, P91, along with other ASTM A335 classifications.

A335 pertains to seamless ferritic alloy steel pipes designed for high-temperature applications, whereas A213 is intended for boiler, superheater, and heat-exchanger tubes.

Yes, we supply alloy steel pipes and tubes that are IBR-certified for power and boiler projects.

Yes, we provide EN 10204 3.1 & 3.2 certificates.

Yes, we offer custom cut-to-length pipes with beveled, plain, or threaded ends.

Certainly. We collaborate with TUV, SGS, BV, DNV, and various other agencies.

Type of Alloy Steel Pipes & Tubes Available

Alloy Steel Pipe Alloy Steel Seamless Pipe ASTM A335 Pipe
Alloy Steel Pipe Manufacturer Chrome Moly Pipe A335 P22 Pipe Supplier
High Temperature Pipes Boiler Quality Alloy Steel Pipe Alloy Steel Seamless Pipe Manufacturer in India
Best price for A335 P11 / P22 pipes Chrome moly pipe stockist in UAE / USA A213 T91 heat exchanger tube exporter
A335 P5 seamless pipe manufacturer IBR approved alloy pipes alloy steel pipe manufacturer India

Global Export Network

We export to more than 70+ countries:

USA • UK • Germany • Italy • UAE • Saudi Arabia • Qatar • Oman • Kuwait • Singapore • Malaysia • Indonesia • Australia • South Africa • Brazil • Mexico • India

All Shipments Include:
  • Packing List
  • Invoice
  • MTC 3.1 / 3.2
  • Third-Party Inspection (TUV/LR/BV) if required
  • Heat Number Traceability

Request a Quotation Today

Looking for a dependable alloy steel pipes & Tubes? We respond within 24 hours.