API 5L LSAW Welded Steel Pipes

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Loading Port:: China Main Port

Payment Terms:: TT / L/C

Min Order Qty:: 50MT m.t.

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

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API 5L LSAW Welded Steel Pipes

Application of API 5L LSAW Welded Steel Pipes:

It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).

Package of API 5L LSAW Welded Steel Pipes:

Bundles with anti-rust painting and with plastic caps.

Standard of API 5L LSAW Welded Steel Pipes:

API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Steel Grade of API 5L Line Pipes:

API SPEC 5L: B, X42, X46, X52, X56, X60, X65

API SPEC 5CT: J55, K55, N80, L80-1

ASTM A53: A, B, C

GB/T9711.1:L242、L290、L320、L360、L390、L415、L450

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

Raw Materials

API 5L LSAW Welded Steel Pipes Raw Materials

Bending& Forming

API 5L LSAW Welded Steel Pipes Forming

Welding Line

API 5L LSAW Welded Steel Pipes Welding

Materials Analysis Machine

API 5L LSAW Welded Steel Pipes testing equipment

Q:How are steel pipes sized and classified?: The primary criteria for sizing and categorizing steel pipes are their outer diameter (OD) and wall thickness. This standardization ensures compatibility and ease of use across different applications. The common approach to sizing steel pipes is through nominal pipe size (NPS), a North American standard that refers to a pipe's OD. NPS sizes span from 1/8 inch to 36 inches, with each size corresponding to a specific OD. For instance, a 1/2-inch NPS pipe has an OD of 0.84 inches, while a 12-inch NPS pipe has an OD of 12.75 inches. It's important to note that the pipe's OD may not precisely match its actual measurement due to historical dimensions. Moreover, steel pipes are categorized into various schedules, which indicate the wall thickness. The most common schedules are SCH 5, SCH 10, SCH 40, SCH 80, and SCH 160, with higher numbers representing thicker walls. These schedules are standardized and aid in selecting the appropriate pipe for specific applications. Additionally, steel pipes can be further classified based on their end connections. The typical types include threaded, plain-end, and socket-weld connections. Threaded pipes possess screw threads on both ends, facilitating easy assembly and disassembly. Plain-end pipes lack threads and are typically joined using welding techniques. Socket-weld pipes have a socket-like end that enables welding with a corresponding fitting. In conclusion, steel pipes undergo sizing and classification based on their outer diameter, wall thickness, and end connections. The nominal pipe size (NPS) denotes the outer diameter, while the schedule number represents the wall thickness. Understanding the sizing and classification of steel pipes is crucial when selecting the appropriate pipe for specific applications in industries like construction, oil and gas, plumbing, and manufacturing.

Q:Can steel pipes be used for geothermal energy systems?: Yes, steel pipes can be used for geothermal energy systems. Steel pipes are commonly used in geothermal energy systems due to their strength, durability, and resistance to high temperatures and corrosion. They are able to withstand the harsh underground conditions and are suitable for transporting the geothermal fluid from the heat source to the surface for energy extraction.

Q:What is the impact toughness of steel pipes?: The impact toughness of steel pipes refers to the ability of the material to withstand sudden or high-velocity impacts without fracturing or breaking. It is a measure of the material's resistance to cracking under dynamic loading conditions. The impact toughness of steel pipes is an important property as it determines their ability to withstand accidental impacts or external forces during transportation, installation, and operation. The impact toughness of steel pipes is typically evaluated using standardized tests such as the Charpy V-notch test or the Izod test. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the energy absorbed by the material before it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it indicates a greater ability to absorb energy and resist fracture, making them more resistant to sudden impacts or loading conditions. This is particularly important in applications where steel pipes are used in high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Various factors can affect the impact toughness of steel pipes, including the chemical composition, heat treatment, and microstructure of the steel. For example, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing the propagation of cracks. Similarly, proper heat treatment processes such as quenching and tempering can improve the impact toughness by optimizing the material's microstructure and mechanical properties. In summary, the impact toughness of steel pipes is a crucial property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and is influenced by factors like chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture under dynamic loading conditions.

Q:Can steel pipes be used for culvert applications?: Yes, steel pipes can be used for culvert applications. Steel pipes are commonly used for culverts due to their strength, durability, and resistance to corrosion. They are capable of handling heavy loads and can withstand harsh environmental conditions, making them suitable for various culvert applications such as road and railway crossings, drainage systems, and stormwater management.

Q:What are the different types of thread connections used in steel pipes?: The different types of thread connections used in steel pipes include tapered threads such as NPT (National Pipe Thread), BSPT (British Standard Pipe Taper), and API (American Petroleum Institute) threads. There are also parallel threads like BSP (British Standard Pipe) and G (ISO 228-1). These thread connections are used to join and seal steel pipes in various industries and applications.

Q:Galvanized steel pipe DN100 and SC100: Zinc plating, hot dip galvanizing and cold galvanizing, to see the design instructions and design requirements, which will explain

Q:How are steel pipes used in the agriculture industry?: Steel pipes are used in various ways within the agriculture industry. They are commonly used for irrigation systems, allowing water to be efficiently transported to crops. Steel pipes are also used for drainage systems, ensuring excess water is properly removed from fields. Additionally, steel pipes are used for building structures such as barns, fences, and animal enclosures, providing durability and strength.

Q:How are steel pipes used in the manufacturing of scaffolding?: Steel pipes are commonly used in the manufacturing of scaffolding as they provide a strong and durable framework. They are used to create the main structure of the scaffolding, providing support and stability for workers and materials. The pipes are typically joined together using fittings, allowing for easy assembly and disassembly of the scaffolding system. Additionally, steel pipes can be easily adjusted to different heights and configurations, making them a versatile choice for scaffolding construction.

Q:What are the different types of steel pipe connections for fire sprinkler systems?: There are several types of steel pipe connections used in fire sprinkler systems including threaded connections, grooved connections, flanged connections, and welded connections.

Q:What are the different methods of welding steel pipes?: There are several different methods of welding steel pipes, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW). Each method has its own advantages and is used depending on factors such as the thickness of the pipes, the type of steel being welded, and the desired outcome.

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