Pipes for Chemical Processing Plants
At Riyaarth Overseas, we specialize in providing high-quality pipes that are integral to the operation of chemical processing plants. These pipes are designed to withstand the corrosive, high-pressure, and high-temperature conditions typically encountered in chemical industries. Our pipes ensure the safe and efficient transportation of aggressive chemicals, steam, and other fluid materials, ensuring the longevity and performance of your infrastructure.
Key Properties of Chemical Processing Plant Pipes
Corrosion Resistance:
Chemical processing environments involve exposure to highly corrosive materials, including acids, bases, and solvents. To prevent premature degradation, our pipes are manufactured from corrosion-resistant materials such as stainless steel, alloy steel, and special polymer coatings like epoxy, polyurethane, and Teflon linings.
- Advanced Coatings & Linings: Fusion-bonded epoxy (FBE) and polyethylene (PE) are commonly used for external coatings. Internally, we offer epoxy and phenolic linings, which offer superior resistance to aggressive chemicals.
- Corrosion-Resistant Alloys: For highly aggressive chemicals, we use advanced alloys, including Hastelloy and Inconel, ensuring superior durability.
High Pressure & Temperature Resistance:
Chemical plants often require pipes that can handle extreme pressures and temperatures. Our pipes are engineered to withstand operating conditions ranging from -40°C to over 300°C, and pressures up to 20,000 psi.
- Enhanced Strength Materials: To meet these demands, pipes are produced from high-strength materials, such as carbon steel, duplex stainless steel, and alloy steels, designed to perform under intense conditions.
- Temperature Resilience: Pipes are manufactured with thick walls and specialized heat treatments to prevent deformation and degradation.
Durability & Longevity:
Chemical processing plants are designed for long-term operations, and the pipelines must provide uninterrupted service over several decades. Our pipes are engineered to ensure minimal maintenance and reliable performance for up to 30 to 50 years.
- Robust Construction: Precision engineering, advanced welding techniques, and careful material selection ensure pipes maintain their integrity under harsh chemical exposures.
- Long-Term Cost Efficiency: Minimizing corrosion and wear ensures reduced maintenance and repair costs, providing better life cycle economics for your projects.
Leakproof & High Integrity:
Preventing leaks in chemical processing pipelines is crucial to avoid environmental hazards, production downtime, and safety risks. Our seamless pipes and high-quality welding techniques eliminate weak points, providing leakproof performance.
- Seamless Pipe Construction: The absence of welded joints enhances the strength and ensures a smooth inner surface, reducing the risk of leaks.
- Testing & Quality Assurance: Each pipe undergoes rigorous ultrasonic and radiographic tests to ensure structural integrity, while high-integrity seals and gaskets further minimize the chances of leaks.
Compliance with Industry Standards:
To ensure the highest levels of safety, reliability, and global compatibility, our pipes comply with the most recognized international standards, including ASTM, ASME, and ISO.
- Extensive Testing: Pipes undergo hydrostatic testing, mechanical property evaluations, and chemical analyses to ensure they meet specific design requirements.
Global Compliance: Standards such as ASTM A106 (carbon steel pipes), ASTM A312 (stainless steel pipes), and ASME B31.3 (process piping) guarantee the pipes are suitable for chemical processing applications.
Types of Pipes Used in Chemical Processing Plants
Seamless Pipes
Seamless pipes, formed without any welded joints, ensure the highest level of structural integrity and strength for high-pressure and high-temperature environments in chemical processing plants.
Applications: Transporting corrosive liquids, chemical feedstock, and steam lines.
Materials: Carbon steel, stainless steel, alloy steel.
Specifications Table
Parameter | Details |
Manufacturing Process | Hot rolling, cold drawing |
Size Range | 1/8” to 36” |
Pressure Rating | Up to 20,000 psi |
Standards | ASTM A106, ASTM A312, API 5L |
Common Materials | Carbon steel, stainless steel |
Welded Pipes
Welded pipes are an economical option for lower-pressure applications. They are fabricated by rolling steel sheets into cylindrical shapes and welding along the seam. They are ideal for transporting chemicals in lower-pressure systems.
Types of Welded Pipes: Electric Resistance Welded (ERW), High-Frequency Welded (HFW), and Submerged Arc Welded (SAW).
Applications: Water treatment systems, medium-pressure pipelines for chemicals.
Specifications Table
Type | Description | Applications |
ERW | Welded with high-frequency current | Low-pressure pipelines |
HFW | Enhanced weld strength | Chemical transport lines |
LSAW | Longitudinal weld for large diameter | Large diameter pipelines |
Stainless Steel Pipes
Stainless steel pipes are widely used in chemical processing plants for their superior resistance to corrosion and high temperatures. These pipes are ideal for applications involving acidic or corrosive substances.
Applications: Transport of acids, bases, solvents, and other corrosive chemicals.
Grades: 304, 316, Duplex stainless steel.
Specifications Table
Grade | Properties | Applications |
304/316 | General corrosion resistance | Transport of corrosive liquids |
Duplex Stainless | High strength and corrosion resistance | Chemical processing environments |
Alloy Steel Pipes
Alloy steel pipes are designed for high-strength applications and can withstand extreme temperatures and pressures. Ideal for handling aggressive chemicals, these pipes offer long-term reliability in harsh environments.
Applications: High-temperature steam lines, catalytic cracking units.
Materials: Chromium, molybdenum, nickel alloys.
Specifications Table
Grade | Properties | Applications |
ASTM A335 P5/P9 | High-temperature resistance | Steam lines, reactors |
ASTM A335 P22/P91 | Enhanced creep resistance | High-pressure operations |
Clad & Lined Pipes
Clad pipes feature a corrosion-resistant alloy layer bonded to a carbon steel outer layer, providing durability without compromising cost efficiency.
Applications: Offshore chemical plants, acidic fluid transport.
Advantages: Cost-effective, corrosion-resistant.
Specifications Table
Type | Description | Applications |
Clad Pipes | CRA layer bonded to carbon steel | Offshore facilities, reactors |
Lined Pipes | CRA liner inserted in carbon steel | Acidic fluid transportation |
Quality Assurance & Packaging
At Riyaarth Overseas, we prioritize the highest standards of quality for our pipes. Each pipe undergoes extensive testing to ensure it meets international specifications and standards.
- Certifications & Standards: API 5L, ASME B36.10M, ASTM A53, ASTM A106, ISO 3183.
- Testing Methods: Hydrostatic testing, ultrasonic testing, radiographic inspection, and mechanical property evaluation.
- Marking & Traceability: Every pipe is clearly marked with grade, size, heat number, and manufacturer details for easy traceability.
- Packaging: Our pipes are securely packed in bundles, wrapped in plastic, or crated to prevent damage during transit.
Looking for high-quality pipes for your chemical processing project? Riyaarth Overseas offers customized solutions designed to meet the unique needs of your chemical plant. Contact us today for expert advice and a tailored quote!
FAQ's
Stainless steel and alloy steel are the best options for chemical processing due to their resistance to corrosion and high temperatures. For highly corrosive chemicals, clad pipes provide enhanced protection.
Seamless pipes are ideal for high-pressure, high-temperature applications, while welded pipes are more cost-effective for moderate-pressure systems.
Common standards include ASTM A106 for carbon steel pipes, ASTM A312 for stainless steel pipes, and ASME B31.3 for process piping, which ensure the pipes meet the required mechanical and chemical specifications.
Products
Industry We Serve
- Oil & Gas industries
- Chemical process industries
- Pump and valve in high pressure component
- Food industries
- Pulp and paper industry
- Aerospace industry
- Power plant
- Mechanical component
- Sugar industry
- Cement industry