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Steel SSAW Pipe

Steel SSAW Pipe supplier

Steel SSAW Pipe, also called Spiral Submerged Arc Welded Pipe, is a welded steel pipe manufactured from steel coil by spiral forming and submerged arc welding. It offers flexible diameter production, strong spiral weld performance, and cost-effective supply for large-diameter pipeline and structural projects. As a professional steel SSAW Pipe supplier, SKSteel supplies Steel SSAW Pipe with full sizes available, multiple steel grades, anti-corrosion coating options, mill test certificates, and fast delivery for water transmission, oil and gas transportation, piling, drainage, bridge, port, and infrastructure projects.
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Types of SSAW Pipe SKSteel can supply

SSAW Steel Pipe
Free quotation
API 5L SSAW Pipe
Free quotation
ASTM A252 SSAW Pipe
Free quotation
ASTM A53 SSAW Pipe
Free quotation
EN10219 SSAW Pipe
Free quotation
EN10217 SSAW Pipe
Free quotation
Q235B SSAW Pipe
Free quotation
Q355B SSAW Pipe
Free quotation
S355JR SSAW Pipe
Free quotation
Item Description
Product Steel SSAW Pipe / Spiral Submerged Arc Welded Pipe
Standard API 5L, ASTM A252, EN10219, EN10217, SY/T 5037, GB/T 9711, GB/T
Steel Grade API 5L Gr.B, X42-X70, Q235B, Q355B, S235JR, S355JR, ASTM A252 Gr.2/Gr.3 or Customized
Production Method Spiral Forming with Submerged Arc Welding
Outside Diameter 219mm-3048mm or Customized
Wall Thickness 5mm-25.4mm or Customized
Length 6m, 9m, 12m, 18m or Customized
Surface Black, Painted, 3PE, FBE, Epoxy Coated, Cement Lined or Customized
Certificate MTC EN10204 3.1 Available
For other specifications and customization requirements, please contact our professional sales team.

Chemical composition depends on the selected steel coil grade and project standard. The following table is a common reference for carbon steel SSAW pipe materials.

Element Content (%)
C According to steel grade requirement
Si According to steel grade requirement
Mn According to steel grade requirement
P Controlled by applicable standard
S Controlled by applicable standard
Property Value
Yield Strength According to grade and standard
Tensile Strength According to grade and standard
Elongation According to grade and standard
Pressure Performance Tested by visual inspection, ultrasonic testing, hydrostatic testing or according to project requirements

Applications

Thanks to its flat surfaces and superior structural efficiency, Square Steel Pipe is widely utilized across these core sectors:
Construction & Infrastructure
Machinery & Equipment
Automotive & Transportation
Warehousing & Logistics

Challenges & Needs

For high-demand structural assembly environments, we understand that you must avoid these risks when sourcing Square Steel Pipe:

Large Corner Radii

Rounded corners making assembly gaps wider and compromising the finished aesthetic.

Internal Residual Stress

High internal stress causing twisting during laser cutting or welding.

Poor Coating Adhesion

Coating flaking off, leading to rapid rust in outdoor applications.

Our Supply Solutions

As your source supplier, we utilize precision rolling, ensuring Square Steel Pipe has sharp corners and strict dimensional tolerances for high-standard pre-assembly.
We integrate laser cutting, bending, and anti-corrosion services, allowing the square pipe to be installed efficiently upon arrival, eliminating on-site pre-processing and significantly cutting your installation time and total costs.
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WHY CHOOSE SKSTEEL FOR Square Steel Tube?

  • Large Diameter Range Available
  • Flexible Production Sizes
  • Multiple Steel Grades Available
  • Competitive Export Pricing
  • Strict Welding and Quality Inspection
  • Mill Test Certificates Available
  • Fast Global Delivery
  • Professional Export Support
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Value-Added Services

We provide more than high-quality Square Steel Pipe; we offer full-chain services to remove manufacturing hurdles:

Precision End-Processing

3D laser cutting for complex mitered joints and slotting.

Surface Protection

Hot-dip galvanizing, powder coating, or priming for significantly extended lifespan.

Bending & Forming

Mandrel-assisted bending to create arches or rings without wall buckling.

Transparent Delivery

Detailed material lists and quality reports to ensure full control.

Collaboration with SK STEEL

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FAQ for Steel Supply Services

What is Steel SSAW Pipe?

Steel SSAW Pipe is Spiral Submerged Arc Welded Pipe produced from steel coil with a spiral weld seam. It is widely used for large-diameter water, oil, gas, drainage, piling, and structural projects.

SKSteel can supply Steel SSAW Pipe according to API 5L, ASTM A252, EN10219, EN10217, SY/T 5037, GB/T 9711, GB/T and other project standards.

SSAW Pipe has a spiral weld seam and is usually made from steel coil. LSAW Pipe has a straight longitudinal weld seam and is usually made from steel plate. SSAW Pipe is often selected for flexible large-diameter production and cost-effective long-distance pipeline projects.

Yes. Steel SSAW Pipe is widely used in water supply, water transmission, sewage, drainage, and municipal pipeline projects. Coating and lining options can be supplied according to the project environment.

Yes. Cutting, beveling, welding, coating, inspection, marking, packing, and custom length services are available.

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