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Seamless Steel Pipes for Oil and Gas Industry
Description
The production process of seamless carbon steel pipes involves several key steps to ensure high-quality and efficient manufacturing. Here's an overview of the production process in English:
Material Selection: The process begins with the selection of high-quality carbon steel billets or ingots. These raw materials undergo thorough inspection to ensure they meet the required chemical composition and mechanical properties.
Heating: The selected billets or ingots are heated to the proper forging temperature in a furnace. Heating is crucial to facilitate plastic deformation and ensure uniformity throughout the material.
Piercing: Once heated to the appropriate temperature, the billets or ingots are pierced by a piercing machine to form a hollow shell. This piercing process creates the initial shape of the seamless pipe.
Extrusion: The pierced hollow shell is then elongated and shaped into the desired pipe size and dimensions through a series of extrusion processes. This extrusion process involves passing the hollow shell through a series of rollers and dies to achieve the final dimensions of the pipe.
Sizing: After extrusion, the seamless pipe undergoes sizing to achieve the precise outer diameter and wall thickness. Sizing may involve additional rolling and stretching processes to meet the required dimensional tolerances.
Heat Treatment: Depending on the desired mechanical properties and application requirements, the seamless pipe may undergo heat treatment processes such as annealing, normalizing, or quenching and tempering to improve its strength, toughness, and ductility.
Finishing: Once the pipe has been sized and heat-treated, it undergoes finishing processes to remove any surface defects or irregularities. This may include surface grinding, polishing, or coating to enhance the appearance and corrosion resistance of the pipe.
Testing and Inspection: Throughout the production process, seamless pipes undergo rigorous testing and inspection to ensure they meet the required quality standards and specifications. This may include dimensional inspection, visual inspection, ultrasonic testing, and hydrostatic testing to detect any defects or imperfections.
Marking and Packaging: After testing and inspection, the seamless pipes are marked with relevant information such as size, grade, and heat number. They are then carefully packaged to protect them from damage during transportation and storage.
Shipping: Finally, the finished seamless carbon steel pipes are shipped to customers for use in various applications, including oil and gas pipelines, petrochemical plants, power generation facilities, automotive manufacturing, construction projects, and industrial machinery.
In summary, the production process of seamless carbon steel pipes involves several intricate steps to ensure the manufacture of high-quality pipes that meet the stringent requirements of various industries. From material selection to final inspection, each stage of the process is critical to producing seamless pipes with superior strength, durability, and reliability.
Industry-Specific Attributes
| Section Shape | Round |
| Surface Treatment | Hot Rolled |
| Tolerance | ±1% |
| Oiled or Non-oiled | Non-oiled |
| Invoicing | by theoretical weight |
Other Attributes
| Place of Origin | Shanxi, China |
| Alloy Or Not | Is Alloy |
| Standard | ASTM,AISI,BS,DIN,GB,JIS |
| Grade | Q235A, Q235B, Q345, L245, L290 |
| Delivery Time | 8-14 days |
| Brand Name | XINBAODA |
| Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe |
| Special Pipe | API Pipe |
| Thickness | 2.11mm~300mm, 2.11mm~300mm |
| Length | 12M, 6m, 6.4M |
| Certificate | ISO9001 |
| Processing Service | Bending,Welding,Decoiling,Punching, Cutting |
| Product name | Seamless Steel Pipe |
| Standard | ASTM,AISI,BS,DIN,GB,JIS |
| Shape | Round.Square. Rectangular |
| Length | customers' actual request |
| Material | Q235A, Q235B, Q345, L245, L290,10#, 20#, 45# |
| Surface Treatment | painted,galvanized,or oiled according to customer's requirement |
| Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded |
| Delivery time | 8-14 days |
| Advantage | Strong Corrosion Resistance |
| Packing | STANDARD PACKING |
Packaging and Delivery
| Packaging Details | Anti-water paper+steel strips. |
| Port | Qingdao Tinajin or Shanghai |
| Selling Units: | Single item |
Supply Ability
| Supply Ability | 100000 Ton/Tons per Month |
Product Display
