ASTM A335 P11 Carbon Steel Pipes Manufacturer, Supplier, Stockist & Exporter in India
ASTM A335 P11 Carbon Steel Pipes
Mcneil Instruments is a trusted ASTM A335 P11 Carbon Steel Pipes Manufacturer in India, supplying premium-quality seamless ASTM A335 Grade P11 Alloy Steel Pipes for high-temperature and high-pressure industrial applications. As a leading supplier, stockist, distributor, and exporter of ASTM A335 P11 Pipes, we provide pipes manufactured according to applicable ASTM, ASME, ANSI, API, DIN, and EN standards, based on project requirements.
Manufactured from ASTM A335 Grade P11 chromium-molybdenum alloy steel, these pipes contain approximately 1.00%–1.50% Chromium and 0.44%–0.65% Molybdenum, providing good high-temperature strength, oxidation resistance, creep resistance and thermal stability. ASTM A335 P11 Pipes are widely used in thermal power plants, petrochemical facilities, oil & gas refineries, boilers, superheaters, reheaters, heat exchangers and high-pressure steam piping systems.
ASTM A335 P11 Pipes in Turkey
Mcneil Instruments supplies ASTM A335 P11 Carbon Steel Pipes in Turkey for power generation, petrochemical, refinery, EPC and industrial projects. We offer specification-based supply with quality documentation and international export support.
ASTM A335 P11 Pipes in USA
We supply ASTM A335 P11 Pipes in the USA for thermal power plants, high-pressure steam systems, refineries, petrochemical facilities and other high-temperature industrial applications. Pipes are available in various sizes, schedules and wall thicknesses according to project requirements.
ASTM A335 P11 Pipes in Nigeria
Mcneil Instruments supplies ASTM A335 P11 Alloy Steel Pipes in Nigeria for oil & gas, power generation, refinery, petrochemical and process industry applications. Customers can receive quality documentation, inspection support and export logistics assistance.
Our ASTM A335 P11 Pipes are available in multiple sizes, schedules, wall thicknesses and lengths to meet domestic and international project requirements across India, Turkey, USA, Nigeria and other global markets.
Technical Specification of Carbon Grade P11 Pipes
| Parameter | Specification |
|---|---|
| Composition | Chromium 1–1.5%, Molybdenum 0.44–0.65% |
| Temperature Range | Up to 600°C |
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 85 HRB |
| Standards | ASTM A335 / ASME SA335 |
Chemical Composition of ASTM A335 Grade P11
| Element | Composition (%) |
| Carbon (C) | 0.05 – 0.15 |
| Chromium (Cr) | 1.00 – 1.50 |
| Molybdenum (Mo) | 0.44 – 0.65 |
| Manganese (Mn) | 0.30 – 0.60 |
| Silicon (Si) | 0.50 – 1.00 |
| Phosphorus (P) | 0.025 Max |
| Sulfur (S) | 0.025 Max |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
| Tensile Strength | 415 MPa Min |
| Yield Strength | 205 MPa Min |
| Elongation | 30% Min |
| Hardness | 163 HB Max |
| Density | 7.85 g/cm³ |
| Melting Point | Approx. 1420–1450°C |
Equivalent Grades
| Standard | Grade |
| ASTM | A335 P11 |
| ASME | SA335 P11 |
| ASTM | A213 T11 |
| ASME | SA213 T11 |
| DIN | 13CrMo4-5 (Comparable) |
What are ASTM A335 Grade P11 Carbon Steel Pipes?
ASTM A335 Grade P11 Carbon Steel Pipes are seamless ferritic chromium-molybdenum alloy steel pipes designed for high-temperature and pressure-retaining applications. Although commonly referred to as carbon steel pipes, P11 is technically an alloy steel grade containing approximately 1.00–1.50% Chromium and 0.44–0.65% Molybdenum.
The addition of chromium improves oxidation resistance and thermal stability, while molybdenum contributes to high-temperature strength and creep resistance. This makes ASTM A335 P11 Pipes suitable for demanding industrial systems operating under elevated temperatures and pressures.
These pipes are widely used in:
- High-pressure steam pipelines
- Thermal power plants
- Boiler systems
- Superheaters and reheaters
- Petrochemical processing units
- Oil & gas refineries
- Heat exchangers
- High-temperature process piping
- Pressure-retaining systems
ASTM A335 P11 Pipes in Turkey
Mcneil Instruments supplies ASTM A335 P11 Pipes in Turkey for power generation, refinery, petrochemical, EPC and industrial projects. Pipes can be supplied according to applicable ASTM and ASME specifications with required quality documentation.
ASTM A335 P11 Pipes in USA
We supply ASTM A335 P11 Alloy Steel Pipes in the USA for high-pressure steam systems, thermal power plants, refineries, petrochemical facilities and other elevated-temperature applications. Various sizes, schedules and wall thicknesses are available according to project requirements.
ASTM A335 P11 Pipes in Nigeria
Mcneil Instruments supplies ASTM A335 P11 Pipes in Nigeria for oil & gas, power generation, refinery, petrochemical and industrial process applications. We provide specification-based supply along with inspection documentation and international export logistics support.
With their combination of high-temperature strength, oxidation resistance, creep resistance and thermal stability, ASTM A335 Grade P11 Pipes provide dependable long-term performance in demanding industrial environments across India, Turkey, USA, Nigeria and other international markets.
Types of ASTM A335 P11 Carbon Steel Pipes We Supply
Mcneil Instrument manufactures and supplies:
- ASTM A335 P11 Seamless Pipes
- ASTM A335 P11 Welded Pipes
- ASTM A335 P11 ERW Pipes
- ASTM A335 P11 EFW Pipes
- ASTM A335 P11 Round Pipes
- ASTM A335 P11 Boiler Pipes
- ASTM A335 P11 Heat Exchanger Pipes
- ASTM A335 P11 High Pressure Pipes
- ASTM A335 P11 Alloy Steel Pipes
- ASTM A335 P11 Chrome Moly Pipes
Features of ASTM A335 P11 Carbon Steel Pipes
- Excellent high-temperature strength
- Superior oxidation resistance
- Outstanding creep resistance
- Excellent thermal fatigue resistance
- High pressure handling capability
- Good corrosion resistance in elevated temperatures
- Excellent weldability and fabrication
- High dimensional accuracy
- Long operational service life
- Low maintenance requirements
Applications of ASTM A335 Grade P11 Carbon Steel Pipes
Our ASTM A335 P11 Carbon Steel Pipes are widely used in:
- Thermal Power Plants
- Petrochemical Plants
- Oil & Gas Industry
- Petroleum Refineries
- Chemical Processing Plants
- Boiler Systems
- Heat Exchangers
- Superheaters
- High Pressure Steam Pipelines
- Pressure Vessels
- Fertilizer Plants
- Process Piping Systems
- Offshore Platforms
- Industrial Furnace Systems
- Power Generation Facilities
Countries We Export To
Mcneil Instrument exports ASTM A335 Grade P11 Carbon Steel Pipes to:
- United States
- Canada
- United Kingdom
- Germany
- France
- Italy
- Netherlands
- UAE
- Saudi Arabia
- Qatar
- Kuwait
- Oman
- Bahrain
- South Africa
- Nigeria
- Australia
- Singapore
- Malaysia
- Indonesia
- Thailand
- Vietnam
- Brazil
Why Choose Mcneil Instruments?
Mcneil Instruments is a trusted ASTM A335 P11 Carbon Steel Pipes Manufacturer, Supplier, Stockist & Exporter in India, supplying premium-quality P11 chromium-molybdenum alloy steel pipes for high-temperature and high-pressure industrial applications. We source and supply pipes using certified raw materials and follow stringent quality control procedures to ensure reliable mechanical performance, dimensional accuracy and long-term serviceability.
Our ASTM A335 P11 Pipes are supplied to customers across India, Turkey, USA, Nigeria and other international markets, supporting power generation, oil & gas, refinery, petrochemical, EPC and process industry projects.
Our Advantages
- ISO-certified manufacturing
- ASTM A335 / ASME SA335 compliant supply
- Certified raw material sourcing
- Precision production processes
- Hydrostatic Testing
- Ultrasonic Testing (UT)
- Eddy Current Testing, where applicable
- Positive Material Identification (PMI)
- Chemical composition analysis
- Mechanical testing
- Dimensional inspection
- EN 10204 3.1 Mill Test Certificates
- Third-party inspection available
- Large ready stock
- Custom sizes and lengths
- Worldwide export support
- Dedicated technical support
Global Supply & Export Support
Mcneil Instruments supplies ASTM A335 P11 Alloy Steel Pipes in India, Turkey, USA and Nigeria, with quality documentation, inspection support and export logistics assistance for domestic and international industrial projects.
Need high-performance ASTM A335 P11 Alloy Steel Pipes?
Contact us today for quotations, technical guidance, product specifications and worldwide delivery support.
Frequently Asked Questions – Carbon Grade P11 Pipes
What are ASTM A335 P11 Carbon Steel Pipes?
ASTM A335 P11 Pipes are seamless chromium-molybdenum alloy steel pipes designed for high-temperature and high-pressure applications in power plants, refineries, petrochemical facilities, and boiler systems.
What are the advantages of ASTM A335 P11 Pipes?
P11 pipes provide excellent creep resistance, superior oxidation resistance, high-temperature strength, and long service life, making them suitable for critical industrial applications.
Which industries use ASTM A335 P11 Pipes?
These pipes are extensively used in thermal power plants, oil & gas facilities, petrochemical industries, refineries, chemical processing plants, heat exchangers, boilers, and high-pressure steam systems.
Are custom pipe sizes available?
Yes. We supply ASTM A335 P11 Pipes in custom diameters, wall thicknesses, schedules, lengths, and end finishes to meet specific project requirements.
Do you provide Mill Test Certificates?
Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates (MTC), inspection reports, complete material traceability, and quality assurance documentation.