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Seamless carbon alloy steel pipes for hot working in petroleum cracking
Petroleum Cracking Pipe is a high-quality seamless steel pipe specifically designed for use in petroleum refining and petrochemical plants.Classification :
PRODUCT DETAILS
Petroleum Cracking Pipe is a high-quality seamless steel pipe specifically designed for use in petroleum refining and petrochemical plants. It is primarily used in high-temperature and high-pressure environments where crude oil is converted into lighter petroleum products through thermal or catalytic cracking processes.
These pipes are engineered to withstand elevated temperatures, high pressures, corrosive media, and cyclic thermal stresses, ensuring safe and reliable operation in refinery process units.
Manufacturing Process
Petroleum cracking pipes are manufactured through the following processes:
- Hot rolling or cold drawing of seamless steel tubes
- Heat treatment (Normalizing, Annealing, or Quenching and Tempering, depending on the material grade)
- Straightening and sizing
- Non-Destructive Testing (NDT)
- Hydrostatic testing
- Dimensional inspection and final quality control
The seamless manufacturing process provides superior pressure resistance and structural integrity.
Common Materials and Grades
Petroleum cracking pipes are available in both carbon steel and alloy steel grades, depending on service conditions.
Carbon Steel
- 10#
- 20#
- ASTM A106 Grade B
- ASTM A53 Grade B
Low Alloy Steel
- 12CrMo
- 15CrMo
- 12Cr1MoV
- ASTM A335 P5
- ASTM A335 P9
- ASTM A335 P11
- ASTM A335 P22
Stainless Steel
- TP304
- TP304L
- TP316
- TP316L
- TP321
- TP347H
The material selection depends on operating temperature, pressure, corrosion conditions, and process media.
Common Standards
Petroleum cracking pipes are manufactured in accordance with internationally recognized standards, including:
- GB/T 9948 – Seamless Steel Tubes for Petroleum Cracking
- ASTM A106 – Seamless Carbon Steel Pipe for High-Temperature Service
- ASTM A335 – Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
- ASTM A312 – Seamless and Welded Austenitic Stainless Steel Pipe
- ASME B36.10M – Welded and Seamless Wrought Steel Pipe
- ASME B36.19M – Stainless Steel Pipe
Typical Applications
Petroleum cracking pipes are widely used in:
- Oil refineries
- Petrochemical plants
- Catalytic cracking units (FCC)
- Delayed coking units
- Hydrocracking units
- Hydrogen production units
- Heat exchangers
- Furnaces and reactors
- High-temperature process piping
- Steam and high-pressure fluid transportation
Advantages
- Excellent high-temperature strength
- Outstanding pressure resistance
- Good oxidation resistance
- Superior corrosion resistance (depending on the material grade)
- Long service life
- Excellent weldability and fabrication performance
- Reliable operation under severe refinery conditions
Inspection and Testing
To ensure product quality, petroleum cracking pipes are commonly subjected to:
- Chemical composition analysis
- Mechanical property testing
- Hydrostatic pressure testing
- Ultrasonic Testing (UT)
- Eddy Current Testing (ECT)
- Magnetic Particle Testing (MT)
- Dimensional inspection
- Visual inspection
These inspections help guarantee compliance with applicable international standards.
Conclusion
Petroleum Cracking Pipe is a specialized seamless steel pipe designed for high-temperature, high-pressure, and corrosive service in petroleum refining and petrochemical industries. Manufactured in accordance with standards such as GB/T 9948, ASTM A106, and ASTM A335, these pipes provide excellent mechanical strength, heat resistance, and long-term reliability. They are indispensable components in refinery process units, ensuring the safe and efficient transportation of high-temperature fluids and hydrocarbons under demanding operating conditions.
CUSTOMER FEEDBACK
The company has established a rigorous quality management system, and all products have passed ISO 9001 international quality certification. It can also provide testing reports for multiple international standards such as API, ASTM, DIN, JIS, and GB. From raw material procurement and production supervision to outbound inspection, the entire process is traceable to ensure that every batch of products meets customer requirements.
PRODUCTION LINE
Steel Plate Production Line
Steel Bar Production Line
Steel Pipe Production Line
Steel Coil Production Line
CUSTOMER VISIT
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FAQ
What are the advantages of our products?
Good equipment and experience team, quality assurance, support customzation, sufficient inventory and timely delivery.
How long is your delivery time?
If goods are available, it is usually 5-10 days. Or if the goods are not in stock, within 30 days, calculate by quantity.
Are you a trading company or a manufacturer?
We have our own factory.
What is your terms of payment ?
Can be negotiated by both parties,If you have another question,pls feel free to contact us as below.RELATED PRODUCTS
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Equivalent grade
UNS N04404
DIN W. Nr. 2.4867
Equivalent grade
UNS N04400
DIN W. Nr. 2.4360, 2.4361
Equivalent grade
UNS N04401
Title ： Monel 401/N04401
Equivalent grade
UNS N05500
DIN W. Nr. 2.4375
Equivalent grade
UNS N04401
Title ： Monel 401/N04401
Hastelloy：X,C-276,C-4,C-22,C-200
Incoloy：A286,25-6HN,27-7MMo,25-6Mo,20,28,330,800,800H, 825
Nickel：200,201,270
Equivalent grade
UNS N06617
DIN W. Nr. 2.4663A
Hastelloy：X,C-276,C-4,C-22,C-200
Incoloy：A286,25-6HN,27-7MMo,25-6Mo,20,28,330,800,800H, 825
Nickel：200,201,270GET A FREE QUOTE
Beijing Molong Petroleum Technology Co., Ltd. is a professional supplier specializing in the export of steel products, committed to providing global customers with high-quality steel products and one-stop supply chain solutions.
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