ASTM A53 LSAW Steel Pipe

The full name of LSAW steel pipe is spiral seam submerged arc welded pipe, which is often used in urban infrastructure, chemical industry, oil and gas transportation and other fields that need long-distance transportation. LSAW steel pipe is well known in the modern industrial and global steel pipe market for its superior corrosion resistance, high strength and good weldability.

ASTM A53 LSAW Steel Pipe– Industrial Carbon Steel Pipe

With over 40 years of excellence in the steel industry, JSFITTINGS stands as a premier manufacturer and global trader of high-quality ASTM A53 LSAW Steel Pipes. We specialize in providing heavy-duty, large-diameter Longitudinally Submerged Arc Welded (LSAW) pipes designed to meet the rigorous demands of construction, structural support, and low-pressure fluid transmission.
Leveraging four decades of production expertise, we ensure every pipe meets strict ASTM standards, offering superior durability and weldability for your critical projects.

 Product Specifications

We offer a comprehensive range of ASTM A53 Grade B pipes customized to your specific project requirements.

Besides, we can supply LSAW steel pipes that meet the following standards:

Standard	Specification
ASTM A53	Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded, and Seamless
API 5L	Specification for Line Pipe(Two levels PSL 1 and PSL 2 of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.)
A252	Standard Specification for Welded and Seamless Steel Pipe Piles
A500	Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
A139	Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
A672	Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
A691	Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures

Surface treatment: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per the customer’s requirement

Tolerance of Outside Diameter and Wall Thickness

Types	Standard
	SY/T5040-2000	SY/T5037-2000	SY/T9711.1-1977	ASTM A252	AWWA C200-97	API 5L PSL1
Tube end OD deviation	±0.5%D	±0.5%D	-0.79mm～+2.38mm	<±0.1%T	<±0.1%T	±1.6mm
Wall thickness	±10.0%T	D<508mm, ±12.5%T	-8%T～+19.5%T	<-12.5%T	-8%T～+19.5%T	5.0mm<t<15.0mm, ±0.11<=”” p=””></t<15.0mm,>
		D>508mm, ±10.0%T				T≥15.0mm, ±1.5mm

Key Applications

Our ASTM A53 LSAW Carbon Steel Pipes are versatile and widely used across various industries globally:

• Fluid Transmission: Transporting water, gas, steam, and air in low-to-medium pressure systems.
• Structural Construction: Piling, bridge construction, and steel structures for buildings.
• Industrial Fabrication: Machinery parts and heavy-duty equipment frames.
• Public Utilities: Water treatment plants and municipal pipeline networks.

Delivery of LSAW Steel Pipes

Why Partner With Jinsheng?

Industry Veteran: 40 years of experience means we understand your challenges and provide technical solutions, not just products.
Large Inventory: We maintain a vast stock of standard sizes for immediate shipment.
Global Reach: Trusted by clients in the Oil & Gas and Construction sectors across Southeast Asia, Middle East, Americas.
Customization: Flexible production to meet specific length, coating, and marking requirements.