High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries

High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries System 1

High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries

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Loading Port:: China Main Port

Payment Terms:: TT or L/C

Min Order Qty:: 5 m.t. m.t.

Supply Capability:: Based On Order m.t./month

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High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries

Products Type Of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries:

API 5L LSAW Welded Steel Pipes

Longitudinal Submerged Arc Welded (LSAW) Steel Pipe

API 5L SSAW Welded Steel Pipes

Spiral Submerged Arc Welded (SSAW) Steel Pipe

API 5L ERW Welded Steel Pipes

Electric Resistance Arc Welded (ERW) Steel Pipe

Specifications of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries:

Standard: API 5L, IPS, GB, BS, ASTM, JIS, ISO

Main Steel Tube Grade: A.B.X42,X46,X52,X56,X60,X70,L242、L290、L320、L360、L390、L415、L450(etc)

Dimensions:

OD: 406.4MM-1422MM (16"-56")

Thickness: 8MM-50.8MM depends on OD

Length: 5.8M-12M

Mechanical Properties Of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries:

Standard	Grade	（MPa）		（MPa）
		Yield strength		Tensile Strength
API SPEC 5L	PSL1
	B	≥241		≥414
	×42	≥290		≥414
	×46	≥317		≥434
	×52	≥359		≥455
	×56	≥386		≥490
	×60	≥414		≥517
	×65	≥448		≥531
	×70	≥483		≥565
	PSL2
		Min	Max		Min	Max
	B	241	448		441	758
	×42	290	496		414	758
	×46	317	524		434	758
	×52	359	531		455	758
	×56	386	544		490	758
	×60	414	565		517	758
	×65	448	600		531	758
	×70	483	621		565	758

Chemical Composition Of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries: (%)

Standard	Grade	C	Mn	P	S	CEV
	Grade	Max	Max	Max	Max	Max
	PSL1					-
	B	0.26	1.2	0.030	0.030
	×42	0.26	1.3	0.030	0.030
	×46,×52,×56，X60	0.26	1.4	0.030	0.030
	X65	0.26	1.45	0.030	0.030
	X70	0.26	1.65	0.030	0.030
	PSL2					0.43
	B	0.22	1.20	0.025	0.015
	×42	0.22	1.30	0.025	0.015
	×46,×52,×56, X60	0.22	1.40	0.025	0.015
	X65	0.22	1.45	0.025	0.015
	X70	0.22	1.65	0.025	0.015

Usage/Applications Of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries:

It is widely applied to line pipe in oil and sewage transportation, and it is used in Low pressure liquid and gassy transportation and it is also good Structure pipe in building and bridge field.

It also can be used for conveying gas, water and petroleum for oil and natural gas industries

Packaging & Delivery Of High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries:

Packaging: with anti-rust painting and with plastic caps, or with PVC package, or hot dipped galvanized, or 3 PE coating

Delivery: by containers or by bulk vessel

High Quality API 5L LSAW Welded Steel Pipes For Oil And Natural Gas Industries

Q:How are steel pipes protected against mechanical impact?: Steel pipes are protected against mechanical impact through various methods such as adding protective coatings, using steel pipe supports and clamps, or installing protective barriers to absorb and distribute impact forces.

Q:What is the impact toughness of steel pipes?: The ability of steel pipes to withstand sudden or high-velocity impacts without fracturing or breaking is referred to as their impact toughness. This property measures the material's resistance to cracking when subjected to dynamic loading conditions. The impact toughness of steel pipes is highly significant as it determines their capacity to endure accidental impacts or external forces during transportation, installation, and operation. To evaluate the impact toughness of steel pipes, standardized tests such as the Charpy V-notch test or the Izod test are commonly utilized. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the amount of energy absorbed by the material until it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it signifies a greater ability to absorb energy and resist fracture, making them more resilient to sudden impacts or loading conditions. This characteristic is particularly crucial in applications where steel pipes are exposed to high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Several factors can influence the impact toughness of steel pipes, including their chemical composition, heat treatment, and microstructure. For instance, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing crack propagation. Similarly, appropriate heat treatment processes like quenching and tempering can optimize the material's microstructure and mechanical properties, thereby improving its impact toughness. In conclusion, the impact toughness of steel pipes is a vital property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and can be influenced by factors such as chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture when subjected to dynamic loading conditions.

Q:How do steel pipes handle ground freezing and thawing?: Steel pipes are highly resistant to the effects of ground freezing and thawing. The inherent strength and durability of steel make it an ideal material for handling these thermal cycles. When the ground freezes, steel pipes are able to withstand the expansion forces exerted by the freezing water without any significant damage. The structural integrity of steel pipes remains intact even under extreme cold conditions. During thawing, steel pipes also fare well due to their ability to contract without compromising their strength. The material's flexibility ensures that it can accommodate the contraction of the ground without causing any structural issues. Steel pipes do not crack or break when exposed to the rapid temperature changes associated with thawing. Furthermore, steel pipes have a smooth internal surface, which reduces the risk of ice formation and subsequent blockages. This is particularly important in areas with frequent freezing and thawing cycles, as it helps to maintain a consistent flow of fluids or gases through the pipes. In summary, steel pipes are an excellent choice for handling ground freezing and thawing. Their strength, durability, and ability to withstand temperature fluctuations make them a reliable and long-lasting solution in such environments.

Q:How can steel pipes be protected from corrosion?: Steel pipes can be protected from corrosion through various methods. One common method is the application of protective coatings. These coatings act as a barrier between the steel and corrosive elements in the environment. The most widely used protective coating for steel pipes is epoxy, which provides excellent resistance to corrosion. Other coatings such as polyethylene and polyurethane can also be used depending on the specific application and requirements. Another effective way to protect steel pipes from corrosion is by cathodic protection. This technique involves the use of sacrificial anodes or impressed current systems to prevent corrosion. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves to protect the pipes. Impressed current systems, on the other hand, use a direct electrical current to counteract the corrosion process. Regular maintenance and inspection are crucial in the protection of steel pipes from corrosion. Monitoring the condition of the coatings, checking for any signs of damage or deterioration, and promptly addressing any issues can help prevent corrosion from occurring or spreading. Additionally, implementing proper drainage systems to avoid the accumulation of moisture around the pipes can further protect them from corrosion. Lastly, environmental factors should be taken into consideration when protecting steel pipes from corrosion. This includes mitigating exposure to corrosive substances, such as acids or chemicals, and ensuring proper ventilation and airflow to prevent the buildup of moisture and humidity. By implementing a combination of these protective measures, steel pipes can have an extended lifespan and maintain their structural integrity.

Q:How do steel pipes resist corrosion?: Steel pipes resist corrosion through a process called passivation, wherein a protective layer of oxide forms on the surface of the steel, preventing further oxidation and corrosion. Additionally, the pipes can be coated with anti-corrosive materials or undergo treatments such as galvanization or lining to enhance their resistance against corrosion.

Q:What are the different types of steel pipe connections for fire sprinkler systems?: There are three main types of steel pipe connections for fire sprinkler systems: threaded connections, grooved connections, and welded connections. Threaded connections involve screwing the pipes together using threads on the ends of the pipes. Grooved connections use grooves on the pipe ends and couplings with matching grooves to connect the pipes. Welded connections involve permanently bonding the pipes together using heat and a welding process. Each type of connection has its advantages and may be used in different applications based on factors such as pipe size, system design, and installation requirements.

Q:How are steel pipes used in the telecommunications sector?: Various purposes in the telecommunications sector commonly make use of steel pipes. Conduit for underground cable installations is the first purpose served by steel pipes. These pipes ensure the safety of fiber optic cables, which carry data and voice signals over long distances, by providing protection and support. The sturdy nature of steel pipes guarantees that the cables remain secure from external factors like moisture, rodents, and accidental damage. Furthermore, the construction of telecommunication towers and masts involves the use of steel pipes. A strong and durable material is required to bear the weight of antennas, transmitters, and other equipment in these structures. For this purpose, steel pipes are ideal due to their high tensile strength and resistance to harsh weather conditions. Additionally, steel pipes are utilized in the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes serve as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations exposed to various elements. In conclusion, steel pipes play a critical role in the telecommunications sector. They provide protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in the establishment and maintenance of reliable telecommunications networks.

Q:What is the impact of temperature on steel pipes?: The significance of temperature on steel pipes cannot be underestimated, as it can bring about both positive and negative consequences. When exposed to high temperatures, steel pipes undergo thermal expansion, which can result in distortion or buckling. This expansion also has the potential to affect joints and connections, leading to leaks or failures. Hence, it is imperative to take into consideration the coefficient of thermal expansion during the design and installation of steel pipes in environments with elevated temperatures. Conversely, steel pipes possess remarkable thermal conductivity, enabling them to endure high temperatures without substantial deterioration. This characteristic renders them suitable for applications where heat transfer is of utmost importance, such as in industrial processes or heating systems. Extreme cold temperatures also pose a threat to steel pipes. Freezing conditions cause water or other fluids within the pipes to expand, resulting in cracks or bursts. This can lead to leaks, fluid loss, and potential harm to surrounding structures. Consequently, it is necessary to implement appropriate insulation and preventive measures to ensure the integrity of steel pipes in cold environments. Moreover, temperature fluctuations can impact the mechanical properties of steel, including its tensile strength and toughness. Prolonged exposure to elevated temperatures can cause a phenomenon known as thermal degradation, which diminishes the steel's strength and renders it more susceptible to deformation or failure. In conclusion, temperature exerts a significant influence on steel pipes, affecting their structural integrity, thermal performance, and mechanical properties. Proper design, insulation, and maintenance are crucial to guarantee the safe and efficient operation of steel pipes under varying temperature conditions.

Q:What is the difference between standard wall thickness and extra-strong wall thickness steel pipes?: Standard wall thickness steel pipes have a thickness that meets the minimum requirements set by industry standards, while extra-strong wall thickness steel pipes have a thicker wall, exceeding the minimum requirements. This difference in wall thickness makes the extra-strong pipes more robust, durable, and able to withstand higher pressure and stress compared to standard wall thickness pipes.

Q:What are the safety regulations for working with steel pipes?: The safety regulations for working with steel pipes may vary depending on the specific circumstances and location, but some common safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper handling techniques to prevent injuries, using proper lifting equipment to prevent strain or back injuries, implementing proper ventilation and respiratory protection when working in confined or poorly ventilated spaces, and following proper procedures for welding, cutting, or bending steel pipes to minimize the risk of fire or explosions. It is essential to consult and adhere to local safety regulations and guidelines to ensure a safe working environment when dealing with steel pipes.

We has nine sets of machine unit for Φ219-Φ2850 of SAWH steel pipe with an annual production capacity of around 260,000 tons, two sets of SAWL production lines: one with Φ1422 maximum and one Φ813 maximum with an annual production of 200,000 tons, two sets of machine unit for Φ168 maximum and Φ508 maximum HFW steel pipe with an annual production volume of around 160,000 tons, four sets of machine unit of square and rectangle pipe for the size of 200×200, 400×400, 250×250, 300×300 with an annual production capacity of around 140,000 tons and two sets of machine unit for internal and external coating with an annual production capacity of 2,000,000 sq.meters.

1. Manufacturer Overview
Location	Wuxi, China
Year Established	1980
Annual Output Value	Above Three Million To Five Million RMB
Main Markets	Main land
Company Certifications	Certificate of Conformity; API 5CT

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Shanghai
Export Percentage	30%-40%
No.of Employees in Trade Department	1400 People
Language Spoken:	English; Chinese
b)Factory Information
Factory Size:	1500 square meters
No. of Production Lines	Above 14
Contract Manufacturing	CNPC;Sinopec Group
Product Price Range	Average