Low Price LSAW Submerged-Arc ASTM A36 Steel Pipe Tube for Natural Gas and Oil Pipeline

• Customization: Available
• Type: Welded
• Technique: SAW
• Material: Carbon Steel
• Surface Treatment: Varnishing
• Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Special Purpose
• Section Shape: Round
• Manufacturer: Over 25 Plus Years of Manufacturing Experiences
• Other Service: Customized
• Delivery: Prompt Delivery
• Price: Reasonable Pricing
• Quality: High Quality
• Transport Package: Bundled, in Bulk, Plastic Caps Plugged, Waterproof
• Specification: 323.9mm-813mm
• Trademark: Hebei Pipeline
• Origin: China
• HS Code: 7306309000
• Production Capacity: 400, 000 Tons Per Year

Product Description

LSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the shaping and forming processes involved during manufacturing as well as the inner and outer welding and cold expansion carried out after welding.

Product Parameters
Product name: LSAW/DSAW PIPE

Types:  Straight seam welded steel pipe (LSAW steel pipe),

              Double-sided submerged arc welding steel pipe(DSAW steel pipe)
              Longitudinal submerged arc welded steel pipe
              High frequency straight seam welded pipe

Sizes

O.D.:219mm -1829mm (8" to 72")

W.T.:4mm-50mm

Length:SRL, DRL, Random length from 1M to 18M

Product Parameters

Product name	LSAW/DSAW PIPE
Manufacturing process	Longitudinally submerged arc welded (LSAW) Double Submerged arc weled (DSAW) UOE  JCOE RBE
Painting & Coating	Fusion Bond Epoxy Coating(FBE), 3PE, FBE, Varnish coating, Black Oil coating etc
Ends	Plain ends, Beveled ends
Delivery	Depends on the order quantity, normal within 30 days
Payment	T/T, L/C, Western Union
Packing	Bundled, In Bulk, Plastic caps plugged, Waterproof paper wrapped etc.
Application	Piling, Fluids transmission, oil and gas, water transmission, Engineering, Offshore projects, structural support in industrial construction
Tests of LSAW steel pipe	Chemical Component Analysis; Mechanical Properties--Elongation, Yield Strength, Ultimate tensile strength;  Technical Properties--DWT Test, Impact Test, Blow Test, Flattening Test X-ray Test Exterior size inspection Hydrostatic test UT Test
Standard & Grade	API 5L PLS1 & PLS2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70, X80
	ASTM A53: Gr.A, B, C, D     ASTM  A572; ASTM A252
	GB/T9711: L175, L210, L245, L290, L320, L360, L415, L450, L485, L555
	GB/T3091,SY/T5037, SY/T 5040, CJ/T 3022: Q195, Q235, Q275, Q295, Q345
	BS 1387,  EN10219-1, EN10217-1: S185, S235JR, S235, G2H, S275, S275JRH, S355JRH, S355J2H, ST12, ST14, ST33, ST37, ST44, ST52

Our HQ Factory

Advanced technotology, first-class production equipment, and excellent production lines, showing superior quality, ensuring product stability and reliability, creating brand-name products by relying on core technology.Contact us if you have any questions, our sales team & tech.team are ready for service you all the time.

Our Advantages

                            DURABLE

                           RELIABILITY

                          TOUGHNESS

LSAW pipes, or Longitudinal Submerged Arc Welded pipes, are key for oil and gas pipelines. Their specs, defined by outer diameter and wall thickness, matter greatly. Outer diameter affects component fit and flow capacity. Wall thickness determines strength against internal and external forces. Precise sizing is vital for safety, function, and cost - effectiveness, ensuring reliable performance and minimizing risks. 

 The raw materials for manufacturing LSAW pipes encompass coil strips, welding wires, and fluxes. These materials serve as the fundamental building blocks, directly influencing the final product's quality and performance. Coil strips form the pipe's body, while welding wires and fluxes are crucial for the welding process. Before utilization, all these raw materials will undergo stringent physical and chemical tests. These tests aim to verify their mechanical properties, chemical composition, and purity, ensuring that only high - quality materials are used in the production of LSAW pipes, thus guaranteeing the pipes' reliability and durability. 

An electric contact pressure gauge plays a pivotal role in the production of LSAW pipes. It is employed to precisely control the pressure on both sides of the conveyor, which is essential for maintaining the stability of the manufacturing process. By applying pressure to the cylinders in a regulated manner, this device ensures the consistent and smooth delivery of strip steel. This seamless transfer of materials is crucial for upholding the quality and integrity of LSAW pipes during their fabrication. 

Customer Visits

When customers come for factory and product inspections, they can rest assured about our quality! We deeply understand the significance of the quality of LSAW pipes. Starting from the source, we meticulously select high - quality steel to ensure the excellent quality of raw materials. During production, advanced equipment and sophisticated techniques work in precise coordination. Every welding and every forming process strictly complies with international standards.

Exhibition photos

During the exhibition, our company's exhibits became the focus with their high-performance materials and excellent performance passing strict tests. The high-precision craftsmanship and customized services provided a strong support for customers to optimize pipeline solutions.

Certifications

We have passed the ISO9001 quality management system certification and hold international authoritative qualifications such as CE/ASME, establishing a quality control system that covers the entire product lifecycle. For more details about our certifications, including industry-specific accreditations and system certificates, please visit the relevant section on our official website to fully understand our standardized production capabilities and market access advantages.

Packaging & Shipping

1. Standard shipping package

2.According to customer requirements

FAQ

1. Are you a factory or trading company?
A: We are a factory.
2. How can I get a quotation from you ?
A: You can leave us message, and we will reply every message in time. And you can also find our contact information on contact page.
3.Can I get samples before order ?
A: Yes, of course. we can produce by your samples or technical drawings. 
4.What is your payment terms?
A: Our usual payment term is 30% deposite before production, 70% balance before shipment. L/C is also acceptatble.EXW,FOB,CFR,CIF.
5.How does your factory do regarding quality control?
A: Quality is priority. Our factory has gained ISO9001 authentication. We guarantee the goods out from our factory 100% qualified. And Each Process, we have very strict operation and arrange 2 techinians to inspect. After the products are finished, we will make the last test to pick up the unqualified products.
6.What is your MOQ?
A: As long as hold one container ,we can accpet the order.