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What are S355 Round Pipes?

S355 Round Pipes are high-strength structural steel pipes manufactured according to EN 10210 and EN 10219 standards. Designed for demanding structural and engineering applications, these pipes offer a minimum yield strength of 355 MPa, excellent weldability, superior toughness and long service life. Available in seamless, welded, hot-finished and cold-formed configurations, S355 structural steel pipes are widely used in bridge construction, offshore platforms, industrial buildings, oil & gas projects, transmission towers, marine structures and heavy engineering sectors. Triton Alloys Inc. is a leading supplier, stockist and exporter of S355 Round Pipes in India, supplying customers across the UAE, Saudi Arabia, Qatar, Kuwait, Oman, USA, Europe and Southeast Asia. Our pipes are available in custom diameters, wall thicknesses and cut lengths with Mill Test Certificates (MTC), third-party inspection and worldwide delivery support.

Export Quality S355 Pipes with Worldwide Shipping

Supplying EN 10210 and EN 10219 S355 round pipes to UAE, Saudi Arabia, Qatar, Oman, Kuwait, Europe, Africa and North America.

S355-Pipe Pipes

Why Choose Triton’s S355 Round Pipes?

  • High Yield Strength: S355 grade offers a minimum yield strength of 355 N/mm², making it ideal for demanding structural projects.
  • Excellent Weldability: Our pipes are produced with controlled chemical composition and low carbon equivalent, ensuring superior weldability without compromising strength.
  • Dimensional Accuracy & Finish: We offer S355 round pipes in precise dimensions, customized lengths, and clean surface finishes to meet project-specific requirements.
  • Ready Stock Availability: Triton maintains a robust inventory of S355 pipes in various diameters and wall thicknesses, ensuring quick delivery for urgent projects.
  • Third-Party Inspection (TPI) Approved: All our S355 round pipes are supplied with Mill Test Certificates (MTC) and can undergo third-party inspections on client request.

Looking for the Latest S355 Round Pipe Price?

Get today's S355 pipe price per kg, stock availability, MTC certificates and delivery schedules directly from Triton Alloys Inc.

S355 Round Pipe Chemical Composition as per EN 10210 / EN 10219

Element %
Carbon (C)≤ 0.24
Silicon (Si)≤ 0.55
Manganese (Mn)≤ 1.60
Phosphorus (P)≤ 0.035
Sulphur (S)≤ 0.035

Mechanical Properties of S355 Structural Steel Pipes

Property Value
Yield Strength 355 MPa Min
Tensile Strength 470 – 630 MPa
Elongation 22% Min
Impact Energy 27 Joules

Need Help Selecting the Right S355 Pipe?

Our technical team can recommend the correct EN 10210 or EN 10219 grade, dimensions and specifications based on your project requirements.

Applications of S355 Round Pipes

Due to their high strength-to-weight ratio, excellent weldability and structural reliability, S355 round pipes are widely used across infrastructure, energy, construction and industrial sectors worldwide.

  • Bridge Construction & Infrastructure Projects
  • Offshore Platforms & Marine Structures
  • Oil & Gas Transportation Systems
  • Industrial Pipelines & Process Plants
  • Power Generation Facilities
  • Shipbuilding & Port Infrastructure
  • Warehouse & Industrial Building Structures
  • Heavy Machinery & Equipment Fabrication
  • Transmission Towers & Utility Structures
  • General Structural Engineering Projects

India, Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Spain, France, United Kingdom, Indonesia, Israel, Iran, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Venezuela, Ecuador, Netherlands, Brazil, Colombia, Ghana, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Qatar, Russia, Vietnam, South Africa, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Romania, Thailand, Trinidad & Tobago, Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia.

Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gurgaon, Ahmedabad, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad, Houston, Dubai, Seoul, Hyderabad, Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, Howrah, Sydney, Ahvaz, Karachi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo.

S355 Round Pipes FAQs – Sizes, Price, Specifications & Applications

S355 Round Pipes are high-strength structural steel pipes manufactured according to EN 10210 and EN 10219 standards. They provide a minimum yield strength of 355 MPa and are widely used in construction, infrastructure, offshore, oil & gas and engineering projects.
EN 10210 covers hot-finished structural hollow sections, while EN 10219 covers cold-formed structural hollow sections. Both are commonly available in S355 grade depending on project requirements.
S355 Round Pipes offer a minimum yield strength of 355 MPa, making them suitable for demanding structural and load-bearing applications.
S355 pipes are used in bridges, industrial buildings, offshore platforms, transmission towers, oil & gas projects, shipbuilding, structural fabrication and heavy engineering applications.
Yes. S355 structural steel pipes have excellent weldability and can be welded using conventional fabrication methods without compromising strength.
Triton Alloys Inc. supplies S355 Round Pipes in various diameters, wall thicknesses and lengths, including custom-cut sizes as per project requirements.
S355 Round Pipe prices depend on diameter, wall thickness, quantity, processing requirements and current steel market rates. Contact Triton Alloys Inc. for the latest quotation and stock availability.
Triton Alloys Inc. is a trusted supplier and exporter of S355 Round Pipes with ready stock, MTC certification, third-party inspection, custom cutting services and worldwide delivery to more than 80 countries.


Related S355 Structural Steel Grades & Weathering Steel Products

Looking for other EN 10025 structural steel grades? Triton Alloys Inc. supplies a complete range of S355 steel plates, S355 weathering steel plates, S355 corten steel plates, high-strength structural steel products, and project-ready steel solutions for construction, bridge engineering, offshore structures, fabrication, mining, railway, power plants, and industrial applications worldwide.

Triton Alloys Inc. delivers S355 grade structural steel solutions including hollow sections (SHS & RHS), plates, round bars, and pipes engineered for strength and reliability. Widely used in construction, fabrication, and heavy engineering, our products meet the performance demands of modern industrial projects.