LSAW Welded Pipes carbon ASTM A 53, API 5L, DIN,JIS

LSAW Welded Pipes carbon ASTM A 53, API 5L, DIN,JIS System 1

LSAW Welded Pipes carbon ASTM A 53, API 5L, DIN,JIS

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Loading Port:: Shanghai Port

Payment Terms:: TT or L/C

Min Order Qty:: 50MT m.t.

Supply Capability:: based on order m.t./month

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Specification of LSAW Welded Steel Pipes

1)Application: 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.

2)Standard:ASTM A53,ASTM A671 ,ASTM A672 .ASTM A252 API 5L (PSL-1,PSL-2) ,API 5L 2B ,2H,2W.DIN1626,DIN17175,DIN1629.JISG 3452,JISG3457/3456,JISG3461.GB 9711.1/SY5037/GB3092

3)Grade:API 5L GR.B, X40, X42, X52, X56, X60, X65, X70.ST37/37-2,ST33,ST35.8,ST35.4.GB 9711.1/SY5037/GB3092

2.Size of Pipes

OD: 406.4MM-1422MM (16”-56”)

Thickness: 8MM-50.8MM depends on OD

3. Packing & Delivery

Packing Detail: bundles with anti-rust painting and with plastic caps

Delivery Term: 30 days after receving payment or L/C

4.Data Sheet

Standard: APISPEC 5L

Mechanical Properties

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(%)

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

5. Products Showroom

LSAW carbon welded pipe

carbon LSAW Welded Pipe

LSAW

Q:How are steel pipes protected against galvanic corrosion?: Steel pipes are protected against galvanic corrosion through various methods including the application of protective coatings such as zinc or epoxy, cathodic protection systems, and the use of corrosion inhibitors.

Q:How are steel pipes used in nuclear power plants?: Steel pipes are extensively used in nuclear power plants for various purposes. They are primarily used for the transportation of coolant, such as water or gas, which helps in removing heat from the reactor core. Steel pipes are also used to convey steam generated by the reactor to the turbine, where it is used to generate electricity. Additionally, steel pipes are utilized for the transportation of various fluids, such as lubricants and chemicals, for different processes within the plant. The durability, strength, and resistance to high temperatures and pressure make steel pipes an ideal choice for these critical applications in nuclear power plants.

Q:How do you calculate the weight of a steel pipe?: To calculate the weight of a steel pipe, you need to know its outer diameter, wall thickness, and length. First, calculate the cross-sectional area of the pipe by subtracting the inner diameter from the outer diameter and multiplying it by π. Then, multiply the cross-sectional area by the wall thickness and length of the pipe to find its volume. Finally, multiply the volume by the density of steel to calculate the weight of the steel pipe.

Q:Which is cheaper, angle iron or steel pipe?: Angle called angle, the steel strip is perpendicular to each other on both sides into the corner. There are equal angles and unequal angles. The two sides of an equal angle steel are equal in width. The specifications are expressed in millimeters of edge width * edge width * edge thickness. Such as "/ 30 x 30 x 3", that is 30 mm width equal angle, edge thickness of 3 mm. Also available models that model is the number of centimeters wide, such as angle 3#.

Q:What are the different methods of repairing steel pipes?: There are several methods for repairing steel pipes, including welding, pipe wrapping, pipe lining, and pipe bursting. Welding involves fusing the damaged sections of the pipe using heat and pressure. Pipe wrapping involves using a fiberglass or epoxy resin wrap to reinforce and seal the damaged areas. Pipe lining involves inserting a new pipe into the damaged one, creating a seamless and corrosion-resistant inner lining. Pipe bursting involves replacing the damaged pipe by using a bursting head to break it apart while simultaneously pulling a new pipe into place. The choice of method depends on the nature and extent of the damage, as well as other factors such as cost and accessibility.

Q:What are the different methods of repairing damaged steel pipes?: There are several methods of repairing damaged steel pipes, including welding, epoxy lining, pipe bursting, and pipe relining. Welding involves joining the damaged sections of the pipe together using heat, while epoxy lining involves applying a protective coating to the inner surface of the pipe. Pipe bursting involves replacing the damaged pipe with a new one by pulling it through the existing pipe, and pipe relining involves inserting a new liner into the damaged pipe to create a new, seamless pipe within the existing one. The choice of method depends on factors such as the extent of damage, accessibility, and cost-effectiveness.

Q:What are the standard dimensions for steel pipes?: The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.

Q:What are the different types of corrosion that can affect steel pipes?: There are several types of corrosion that can affect steel pipes, including general or uniform corrosion, pitting corrosion, galvanic corrosion, crevice corrosion, and stress corrosion cracking.

Q:How are steel pipes used in the telecommunications network infrastructure?: Steel pipes are widely used in the telecommunications network infrastructure for various purposes. One of the primary uses of steel pipes in this industry is for the installation of underground cable conduits. These conduits protect the telecommunications cables from external factors such as moisture, rodents, and physical damage. Steel pipes provide excellent strength and durability, ensuring the long-term protection of the cables. Additionally, steel pipes are used in the construction of telecom towers and antenna masts. These structures need to be sturdy and able to withstand harsh weather conditions. Steel pipes offer the necessary strength, stability, and resilience required for telecom towers to support antennas and other equipment. They can be easily assembled, allowing for efficient deployment and maintenance of the network infrastructure. Moreover, steel pipes are essential for the installation of fiber optic cables. Fiber optic cables transmit data at high speeds using light signals. To ensure optimal performance, these cables need to be protected from any external interference. Steel pipes serve as a conduit for fiber optic cables, shielding them from electromagnetic interference and other potential disruptions. In summary, steel pipes play a crucial role in the telecommunications network infrastructure. They are used for the installation of underground cable conduits, construction of telecom towers, and protection of fiber optic cables. The strength, durability, and versatility of steel pipes make them an ideal choice for ensuring the reliability and functionality of telecommunications systems.

Q:What are the common methods for cleaning the inner surface of steel pipes?: Cleaning the inner surface of steel pipes can be done using different methods. Some commonly used methods include: 1. Mechanical Cleaning: Debris, rust, or scale on the inner surface of the steel pipe can be physically removed using mechanical tools like wire brushes, scrapers, or abrasive pads. This method is effective for removing loose or loosely adhered contaminants. 2. Chemical Cleaning: Stubborn deposits, rust, or scale can be dissolved or loosened using acidic or alkaline solutions. These solutions are circulated through the pipe for a specific period, allowing the chemical to react and break down the contaminants. Chemical cleaning is used when mechanical cleaning is not enough. 3. High-Pressure Water Jetting: High-pressure water is directed through a nozzle into the steel pipe to remove debris, rust, or scale from the inner surface. The force of the water jet dislodges and flushes out the contaminants. This method is efficient for cleaning pipes with complex geometries or hard-to-reach areas. 4. Shot Blasting: High-speed abrasive particles are propelled against the inner surface of the steel pipe to remove rust, scale, or other contaminants. Shot blasting is commonly used for larger pipes or pipes with heavy deposits. It provides a thorough and uniform cleaning by removing the surface layer of the steel along with the contaminants. 5. Ultrasonic Cleaning: High-frequency sound waves are used to create microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the inner surface of the steel pipe, effectively loosening and removing contaminants. Ultrasonic cleaning is particularly effective for cleaning small-diameter pipes or pipes with intricate details. It's important to consider factors such as the type and extent of contamination, pipe size and geometry, and desired level of cleanliness when choosing a cleaning method. Safety measures should always be taken to protect workers and maintain the integrity of the 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