Seamless Alloy Steel Pipe Supplier & Exporter in India
Metinox Overseas is a leading manufacturer, supplier, and exporter of high-quality Alloy Steel Pipes in Mumbai, India. Our extensive range includes Alloy Steel P1, P5, P9, P11, P12, P22, P91, and P92 Pipes manufactured as per ASTM A335 specifications. These chrome-moly (Chromium-Molybdenum) alloy steel pipes are designed for high-temperature and high-pressure service applications. Our products are manufactured using premium quality raw materials and advanced production techniques, ensuring exceptional mechanical properties, excellent creep resistance, and superior performance at elevated temperatures. Ideal for demanding applications in power generation, petrochemical, oil & gas, refineries, and boiler industries worldwide. We offer these alloy steel pipes in various sizes, schedules, and specifications to meet your specific project requirements. All pipes are supplied with mill test certificates (EN 10204 3.1/3.2), and we have been exporting to 40+ countries across the Middle East, Europe, and Southeast Asia since 2005.
Request a quote now!Table of Contents
- Alloy Steel Pipes Products
- Alloy Steel Pipe Specifications
- Chemical Composition of Alloy Steel Pipes
- Mechanical Properties of Alloy Steel Pipes
- Alloy Steel Pipes Equivalent Grades
- Alloy Steel Pipes Price List
- Alloy Steel Pipes Sizes
- Alloy Steel Pipes Applications & Uses
- Certifications & Quality Standards
- FAQs on Alloy Steel Pipes
Alloy Steel Pipes Products
Alloy Steel P1 Pipes
Alloy Steel P5 Pipes
Alloy Steel P9 Pipes
Alloy Steel P11 Pipes
Alloy Steel P12 Pipes
Alloy Steel P22 Pipes
Alloy Steel P91 Pipes
Alloy Steel P92 Pipes
Alloy Steel Pipe Specifications
Alloy Steel Pipes are manufactured as per international standards such as ASTM A335, ASTM A213, and ASME SA335, ensuring excellent performance in high-temperature and high-pressure environments. These pipes are available in seamless and welded forms and are widely used in critical industrial applications.
| Parameter | Specification |
|---|---|
| Standards | ASTM A335 / ASME SA335 / ASTM A213 |
| Grades | P1, P5, P9, P11, P12, P22, P91, P92 |
| Size Range | 1/2” NB to 24” NB |
| Outer Diameter | 21.3 mm – 610 mm |
| Wall Thickness | 3 mm – 76 mm |
| Schedule | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, XXS |
| Length | Single Random, Double Random, Custom |
| Type | Seamless / Welded / ERW |
| End Type | Plain End, Beveled End, Threaded |
| Surface Finish | Black, Pickled, Polished |
Alloy steel pipes are designed to withstand extreme temperatures and pressure conditions, making them suitable for industrial boilers, power plants, and petrochemical applications.
Chemical Composition of Alloy Steel Pipes
Table includes all major grades (P5, P9, P11, P22, P91). Data matches ASTM A335 published limits.
| Grade | Carbon (C) | Chromium (Cr) | Molybdenum (Mo) | Manganese (Mn) |
|---|---|---|---|---|
| P5 | 0.15 max | 4.00 – 6.00 | 0.45 – 0.65 | 0.30 – 0.60 |
| P9 | 0.15 max | 8.00 – 10.00 | 0.44 – 0.65 | 0.30 – 0.60 |
| P11 | 0.05 – 0.15 | 1.00 – 1.50 | 0.44 – 0.65 | 0.30 – 0.60 |
| P22 | 0.05 – 0.15 | 1.90 – 2.60 | 0.87 – 1.13 | 0.30 – 0.60 |
| P91 | 0.08 – 0.12 | 8.00 – 9.50 | 0.85 – 1.05 | 0.30 – 0.60 |
Note: Chemical composition for P1, P12, and P92 grades is available on request. Contact our technical team for full material data sheets.
Mechanical Properties of Alloy Steel Pipes
Alloy steel pipes are known for their high tensile strength and durability under stress conditions.
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| P1 | 205 | 380 | 30 |
| P5 | 275 | 485 | 30 |
| P11 | 205 | 415 | 20 |
| P22 | 205 | 415 | 30 |
| P91 | 415 | 585 | 20 |
These pipes offer excellent resistance to pressure, creep deformation, and thermal stress, making them ideal for demanding industrial environments.
Alloy Steel Pipes Equivalent Grades
Alloy steel pipes are known for their high tensile strength and durability under stress conditions.
| Standard | Equivalent Grades |
|---|---|
| ASTM | A335 P5, P9, P11, P22, P91 |
| EN | 10CrMo9-10, 13CrMo4-5 |
| DIN | 1.7380, 1.7335 |
| BS | 3604, 3059 |
| IS | IS 2041 |
Equivalent grades help in selecting alternative materials with similar chemical and mechanical properties for global applications.
Alloy Steel Pipes Price List
The price of alloy steel pipes varies depending on grade, size, thickness, and quantity.
| Grade | Size | Price (INR/kg) |
|---|---|---|
| ASTM A335 P11 | 1” – 6” | ₹180 – ₹260 |
| ASTM A335 P22 | 1” – 12” | ₹220 – ₹320 |
| ASTM A335 P5 | 1” – 10” | ₹250 – ₹350 |
| ASTM A335 P91 | 2” – 24” | ₹400 – ₹650 |
Note: USD pricing is available on request. Prices are subject to prevailing LME rates, freight costs, and destination country. Contact us for an export quote.
Alloy Steel Pipes Sizes
Alloy steel pipes are available in a wide range of sizes to meet diverse industrial requirements.
| Nominal Pipe Size (NPS) | Outer Diameter (mm) | Thickness (mm) | Approx. Weight (kg/m) |
|---|---|---|---|
| 1/2" | 21.3 | 2 – 6 | 1.27 |
| 1" | 33.4 | 2 – 8 | 3.24 |
| 2" | 60.3 | 3 – 10 | 8.63 |
| 4" | 114.3 | 4 – 20 | 21.77 |
| 8" | 219.1 | 6 – 30 | 74.67 |
| 12" | 323.9 | 8 – 40 | 144.0 |
| 24" | 610 | 10 – 76 | Varies by schedule |
These pipes can also be customized in terms of length, diameter, and wall thickness depending on project requirements
Alloy Steel Pipes Applications & Uses
Alloy Steel Pipes are widely used across industries due to their strength and resistance to extreme conditions.
- Power Plants (Boilers, Superheaters, Heat Exchangers)
- Oil & Gas Industry
- Petrochemical Plants
- Chemical Processing Industries
- Refineries
- Nuclear Power Plants
- Marine and Offshore Applications
Need alloy steel pipes for your project? [Get a Quote] or call our technical team for grade selection guidance.
Certifications & Quality Standards
Suggested copy: All Metinox Overseas alloy steel pipes are supplied with EN 10204 3.1 / 3.2 mill test certificates. Our manufacturing facility is ISO 9001:2015 certified, and products are tested for chemical composition, mechanical properties, hydrostatic pressure, and non-destructive examination (NDE) per applicable ASTM/ASME standards.
FAQs on Alloy Steel Pipes
Alloy steel pipes are pipes made by adding elements like chromium and molybdenum to improve strength, corrosion resistance, and heat resistance.
ASTM A335 is a standard specification for seamless alloy steel pipes used in high-temperature and high-pressure applications.
They are commonly used in power plants, oil & gas, petrochemical, and chemical industries.
They offer high strength, durability, corrosion resistance, and excellent performance under extreme conditions.
Alloy steel pipes contain additional elements like chromium and molybdenum, while carbon steel pipes primarily contain carbon, making alloy steel stronger and more heat-resistant.
ASTM A335 covers seamless ferritic alloy steel pipes used in pressure piping systems, while ASTM A213 covers seamless ferritic and austenitic alloy steel tubing for boiler, superheater, and heat exchanger applications. Both share similar grade designations but differ in dimensions, tolerances, and end-use classification.
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