Manufacturing Process :
Longitudinal Submerged Arc Welded (LSAW)
Manufacturing Process :
Longitudinal Submerged Arc Welded (LSAW)
Applicable Standards :
ASTM A252, ASTM A671, ASTM A672
Steel Grades :
Gr. A, Gr. B, X42, X65, X70
Pipe Diameter Range :
16" NB to 60" NB
Large-diameter pipeline projects demand piping solutions capable of delivering exceptional structural strength, dimensional accuracy, and long-term operational reliability. As a trusted Carbon Steel LSAW Pipes and Tubes Supplier, KVN Steels supplies premium-quality Longitudinal Submerged Arc Welded (LSAW) pipes and tubes manufactured in accordance with internationally recognised ASTM and ASME standards. Our products support critical industrial projects across Abu Dhabi, Dubai, Sharjah, Ajman, Ras Al Khaimah, and Fujairah, serving the oil & gas, petrochemical, marine, power generation, water transmission, and infrastructure sectors.
Complete Range of Carbon Steel LSAW Pipes and Tubes
Our product portfolio includes Carbon Steel LSAW Seamless Welded Pipes, Large Diameter LSAW Pipes, API 5L Line Pipes, ASTM A252 Structural Pipes, High-Pressure LSAW Pipes, and customised lengths manufactured in multiple diameters, wall thicknesses, and grades. Available with plain, bevelled, or threaded ends, these pipes are suitable for above-ground, underground, and cross-country pipeline installations.
Why Choose Carbon Steel LSAW Pipes?
Carbon Steel LSAW Pipes are manufactured using the longitudinal submerged arc welding process, producing strong, high-integrity welds with excellent dimensional stability. Their superior load-bearing capacity and pressure resistance make them ideal for transporting oil, natural gas, water, slurry, and industrial fluids over long distances. Consequently, they are extensively specified for applications requiring large-diameter pipelines, exceptional structural integrity, and consistently reliable performance under demanding operating conditions.
How to Select the Right Carbon Steel LSAW Pipes
Selecting the appropriate LSAW pipe depends on operating pressure, pipe diameter, wall thickness, fluid characteristics, corrosion conditions, and applicable ASTM, API, or ASME specifications. Engineers also evaluate project requirements such as pipeline length, welding procedures, inspection standards, and service environment to ensure optimum safety, durability, and lifecycle performance.
Manufactured to International Standards
Our Carbon Steel LSAW Pipes and Tubes are produced in accordance with recognised international specifications, including API 5L, ASTM A53, ASTM A252, ASTM A671, ASTM A672, and ASME B36.10M. Strict compliance with these standards ensures dimensional accuracy, mechanical reliability, pressure integrity, and consistent material quality for demanding industrial applications.
Applications Across Major Industries
Carbon Steel LSAW Pipes are extensively installed in:
Their excellent mechanical properties and large-diameter capability make them a preferred choice for critical engineering projects.
Why Choose KVN Steels?
KVN Steels supplies certified Carbon Steel LSAW Pipes supported by complete material traceability and comprehensive inspection procedures, including Positive Material Identification (PMI), Hydrostatic Testing, Ultrasonic Testing (UT), Radiographic Testing (RT), Dimensional Verification, and Chemical & Mechanical Property Evaluation. Our experienced technical team assists EPC contractors, fabricators, consultants, and industrial buyers in selecting piping solutions that meet project specifications while ensuring reliable delivery throughout the United Arab Emirates.
Whether your project requires Carbon Steel LSAW Pipes for pipeline transmission, high-pressure industrial applications, or large-diameter structural installations, KVN Steels delivers internationally compliant products engineered for long-term performance in the UAE's most demanding industrial environments.
| Standard | Grade | Description |
|---|---|---|
| ASTM / ASME | A252 Gr. 1, 2, 3 | Structural piling pipes |
| A671 / A672 | Electric fusion welded pipes | |
| A53 Gr. B | General purpose carbon steel pipe | |
| A106 Gr. B | Seamless (used for comparison/reference) | |
| API | API 5L Gr. B, X42, X52, X60, X65, X70 | Line pipe for oil & gas |
| EN (Europe) | EN 10219 S235, S275, S355 | Structural hollow sections |
| EN 10217 P235GH, P265GH | Pressure purpose pipes | |
| DIN (Germany) | St37, St52 | Structural steel grades |
| IS (India) | IS 3589 Fe 410, Fe 450, Fe 540 | LSAW pipes standard |
| IS 1239 / IS 1161 | Structural pipes | |
| JIS (Japan) | JIS G3444 STK400, STK490 | Structural pipes |
| JIS G3454 STPG370 | Pressure pipes | |
| GB (China) | Q235, Q345 | Structural carbon steel |
Manufacturing Process :
Longitudinal Submerged Arc Welded (LSAW)
Applicable Standards :
ASTM A252, ASTM A671, ASTM A672
Steel Grades :
Gr. A, Gr. B, X42, X65, X70
Pipe Diameter Range :
16" NB to 60" NB
Wall Thickness :
6.0 mm to 60.0 mm
Pressure Service :
Medium to High-Pressure Pipeline Systems
End Configuration :
Plain End, Bevel End, Grooved End
External Protection :
Black Painted, 3LPE, 3LPP, FBE Coated
Internal Coating :
Cement Mortar, Epoxy Lining, Bare Finish
Inspection Methods :
UT, RT, Hydrostatic Test, PMI, Dimensional Inspection
Compliance Documents :
EN 10204 3.1 MTC, NACE MR0175 (On Request)
Primary Applications :
Oil & Gas Transmission, Water Pipelines, Piling, Structural Projects, Petrochemical Plants
Our Carbon Steel LSAW Pipes and Tubes Supplier are used in a wide range of applications and various industries. Below are a few of them:
Application Industries
Aerospace Industry
Food Processing Industry
Pulp & Paper Indusry
Energy Industry
Pharmaceuticals Industry
Power Plant Industry
Chemical Industry
Oil and Gas Industry
Get clear answers to common queries about our steel products, services, and delivery processes.
Yes. KVN Steels supplies Carbon Steel LSAW Pipes and Tubes throughout the United Arab Emirates, including Abu Dhabi, Dubai, Sharjah, Ajman, Ras Al Khaimah, and Fujairah. Our inventory supports EPC contractors, oil & gas companies, infrastructure developers, and industrial manufacturers with prompt delivery and certified products.
Our product range includes API 5L LSAW Line Pipes, ASTM A53 LSAW Pipes, ASTM A252 Structural Pipes, ASTM A671 and ASTM A672 Electric Fusion Welded Pipes, large-diameter transmission pipes, coated LSAW pipes, and customised cut-to-length solutions. Products are available in multiple grades, diameters, wall thicknesses, and end preparations.
Carbon Steel LSAW Pipes are manufactured using longitudinal submerged arc welding, making them particularly suitable for large-diameter and high-pressure pipeline systems. Compared with ERW pipes, LSAW pipes offer greater wall thickness capability and higher structural strength, while seamless pipes are generally preferred for smaller diameters and extremely high-pressure applications. The appropriate selection depends on project specifications, operating conditions, and pipeline design.
Selecting the appropriate LSAW pipe requires consideration of operating pressure, pipeline diameter, wall thickness, transported media, corrosion environment, coating requirements, and applicable API, ASTM, or ASME standards. Matching these engineering parameters with project specifications ensures reliable performance, regulatory compliance, and long service life.
Carbon Steel LSAW Pipes provide excellent structural strength, dimensional accuracy, and weld integrity, making them highly suitable for long-distance transmission pipelines and critical industrial infrastructure. Their ability to withstand high internal pressure and heavy mechanical loading contributes to dependable performance in demanding operating environments.
Carbon Steel LSAW Pipes and Tubes are extensively employed in oil and gas transmission, petrochemical processing, water conveyance networks, power generation, marine engineering, district cooling infrastructure, structural piling, slurry transportation, and industrial process piping, where large-diameter, high-strength pipeline systems are indispensable to operational reliability and structural integrity.
Carbon Steel LSAW Pipes and Tubes are commonly manufactured in accordance with API 5L, ASTM A53, ASTM A252, ASTM A671, ASTM A672, and ASME B36.10M specifications. Compliance with these internationally recognised standards ensures dimensional accuracy, pressure integrity, mechanical performance, and consistent product quality for industrial applications.
To ensure full compliance with international engineering and quality standards, Carbon Steel LSAW Pipes and Tubes undergo comprehensive inspection procedures, including Positive Material Identification (PMI), Ultrasonic Testing (UT), Radiographic Testing (RT), Hydrostatic Pressure Testing, Dimensional Verification, Visual Inspection, Chemical and Mechanical Property Evaluation, and complete material traceability supported by Mill Test Certificates (MTCs) before dispatch.