Shandong Jialu International Trade Co., Ltd

Shandong Jialu International Trade Co., Ltd

Api 5L X65 Seamless Steel Pipe

API 5L X65 seamless steel pipe is a high strength steel pipe widely used in the transportation of oil and natural gas.

High strength: API 5L X65 seamless steel pipe has high yield strength and tensile strength, and can withstand greater pressure and impact.
Corrosion resistance: The steel pipe adopts special anti-corrosion coating and alloy elements, which can effectively resist the erosion of various corrosive media and harsh environments.
Good installation and maintenance performance: API 5L X65 seamless steel pipe adopts standardized connection methods and accessories, which is convenient for installation and disassembly. At the same time, its maintenance cost is relatively low, which can effectively reduce the operating cost of the enterprise.

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Api 5L X65 Seamless Steel Pipe Description

API 5L X65 seamless steel pipe complies with API 5L standard and is used to transport oil and natural gas. X65 means that its minimum yield strength is 65,000 psi (about 450 MPa). The seamless manufacturing process ensures the high strength and pressure resistance of the steel pipe, which is suitable for high pressure and long-distance transportation.
The dimensions and tolerances of API 5L X65 seamless steel pipe meet the requirements of API 5L standard. Common sizes include:
Outside Diameter: from 1/8 inch to 48 inches
Wall Thickness: Depending on the required pressure level and pipe diameter, the wall thickness ranges from standard thickness to extra thickness
Length: Usually single random length (SRL, 16-25 feet) or double random length (DRL, 35-40 feet), and can also be customized according to customer requirements

Api 5L X65 Seamless Steel Pipe Technical

The chemical composition of API 5L X65 steel is limited according to the specification, mainly including the following elements:
Carbon (C): maximum content of 0.26%
Manganese (Mn): maximum content of 1.45%
Phosphorus (P): maximum content of 0.025%
Sulfur (S): maximum content of 0.015%
Silicon (Si): maximum content of 0.45%
Vanadium (V), titanium (Ti), niobium (Nb): may contain trace alloying elements to improve the performance of steel
The mechanical properties of API 5L X65 seamless steel pipe are as follows:
Minimum yield strength (Yield Strength): 65,000 psi (about 450 MPa)
Minimum tensile strength (Tensile Strength): 77,000 psi (about 530 MPa)
Elongation (Elongation): Depending on the diameter and wall thickness of the steel pipe, it is usually above 20%
Impact toughness (Impact Toughness): Especially in low temperature environments, ensure the toughness and reliability of the pipe under low temperature conditions

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Api 5L X65 Seamless Steel Pipe Applications

API 5L X65 seamless steel pipe is widely used in the following fields:
Oil and gas transportation: used for long-distance, high-pressure transmission pipelines
Offshore platform pipelines: corrosion resistance and high strength are suitable for marine environments
Refinery and chemical plant pipelines: used for fluid transportation under high temperature and high pressure environments
City gas pipeline network: used for city gas transmission systems
Water treatment and water transmission projects: used for long-distance transportation of water resources
Structural applications: used in some structural projects that require high strength and corrosion resistance

Api 5L X65 Seamless Steel Pipe Production Process And Quality Control

Production process: The production process of API 5L X65 seamless steel pipe includes steelmaking, rolling, perforation, heat treatment and other processes. Among them, hot rolling, cold drawing and hot expansion are common production methods. Steel pipes need to undergo strict quality control during the production process, including non-destructive testing, water pressure testing, etc. to ensure their quality and safety.
Quality control: In addition to quality control during the production process, API 5L X65 seamless steel pipes also need to comply with the requirements of TSG D7002 pressure piping component type test rules. These requirements ensure the safety and reliability of steel pipes during use.

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