Seamless Steel Pipe for Oil and Gas
The manufacturing process of seamless steel pipe is relatively complex, but it has excellent physical properties and good processing performance, so it occupies an important position in the oil, natural gas and other industries. Seamless pipes on the market can be divided into two categories: hot-rolled seamless pipes and cold-drawn seamless pipes. The manufacturing process of the former is to heat the steel to a certain temperature and then punch it through a punch; the latter is made by changing the hole shape. Since the process is slightly complicated, the price is relatively expensive.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of seamless steel pipe for oil and gas in China, also supports customized service with low price. Welcome to wholesale discount seamless steel pipe for oil and gas for sale here from our factory. Contact us for free sample.
Product Description
Petroleum seamless pipe is a long steel material with a hollow cross-section and no seams around it. Petroleum cracking pipe is an economical cross-section steel material.
It is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile drive shafts, bicycle frames, and steel scaffolding used in construction mobile pictures. Using petroleum cracking pipes to manufacture ring-shaped parts can improve material utilization, simplify the manufacturing process, save materials and processing hours, such as rolling bearing rings, jack sets, etc., which have been widely manufactured with steel pipes. Petroleum cracked tubes are also an indispensable material for various conventional weapons. Gun barrels, barrels, etc. are all made of petroleum cracked tubes. Petroleum cracking pipes can be divided into round pipes and special-shaped pipes according to their cross-sectional area shapes. Since the area of petroleum cracking tubes is large under the condition that the circumferences are equal, circular tubes can transport more fluid.
Product Mechanical Performance Table:
|
Mechanical Property |
Minimum Values |
|
Tensile Strength |
≥ 415 MPa |
|
Yield Strength |
≥ 240 MPa |
|
Elongation |
≥ 22% |
|
Hardness |
≤ 197 HBW (65 HRC) |
Product Quality Testing Process:
Our Seamless Steel Pipe for Oil and Gas undergoes rigorous quality testing to ensure compliance with industry standards and specifications. The testing process includes:
Dimensional Inspection: Verifying the outer diameter, wall thickness, and length of the pipe.
Visual Inspection: Checking the surface for any defects, such as cracks, pits, or deformations.
Mechanical Property Testing: Testing the tensile strength, yield strength, and elongation to ensure mechanical integrity.
Chemical Composition Analysis: Determining the chemical composition of the steel to verify its adherence to specified standards.
Hydrostatic Testing: Subjecting the pipe to water pressure to detect any leaks or weaknesses.
Non-Destructive Testing: Utilizing techniques such as ultrasonic testing or magnetic particle inspection to identify internal flaws or defects.
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FAQ
Q: What is the lead time for orders?
A: The lead time varies depending on the order quantity and specifications. We strive to provide accurate delivery schedules and ensure timely completion of orders. Please contact our sales team for specific lead time information.
Q: Do you offer technical support?
A: Yes, we have a dedicated team of technical experts who can provide assistance and support for any technical inquiries or concerns you may have regarding our Seamless Steel Pipe for Oil and Gas.
Q: What certifications do your pipes hold?
A: Our Seamless Steel Pipe for Oil and Gas is accompanied by relevant certifications, such as ISO 9001, API 5L, and ASTM. These certifications demonstrate our commitment to quality and compliance.
Q: Can you assist with special requirements, such as surface coatings or threading?
A: Yes, we offer various surface coatings (e.g., varnished, black painted, galvanized) and threading options to meet specific project needs. Please discuss your requirements with our sales team.
Q: What are the payment terms?
A: Our payment terms are flexible and can be discussed with our sales team. We accept various payment methods, including bank transfers and letters of credit (LC).
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