S355J2G3 seamless pipes are made from a low-alloy structural steel grade conforming to EN 10025 standards. Known for their high yield strength, excellent weldability, and impact resistance at sub-zero temperatures, these pipes are widely used in structural, mechanical, and civil engineering projects.

Key Features

High structural strength for heavy load applications
Seamless design ensures pressure and corrosion resistance
Excellent weldability with low preheating requirements
Suitable for use in cold climates due to excellent impact strength
Available in hot-finished (HFS) or cold-drawn (CDS) forms

Technical Specifications

Grade: S355J2G3 (equivalent to modern S355J2)
Standard: EN 10025 / EN 10297-1
Tensile Strength: 470 – 630 MPa
Yield Strength: ≥ 355 MPa
Impact Value: 27J at -20°C (Charpy V-notch)
Outer Diameter: 10 mm to 508 mm
Wall Thickness: 2 mm to 50 mm
Length: Up to 12 meters (custom cut-to-length available)

Common Applications

Building and bridge construction
Offshore and marine structures
Mechanical engineering and automotive parts
Pressure piping systems and boiler components
Crane structures, heavy equipment frames

Delivery Options

Surface Finish: Black-painted, bare, oiled, or phosphate
Ends: Plain, beveled, or threaded
Testing & Certifications: EN 10204 3.1 / 3.2, UT, hydro test, impact test
Documentation: Chemical composition and mechanical property reports included