Steel Solutions since 1982

Structural Steel - EN Grades

EN S355 - High Strength Structural Grade

European standard high-strength structural steel with 355 MPa yield for heavy steel structures, offshore platforms, bridges, and industrial buildings.

Material Type

EN S355 - High Strength Structural Grade

Mechanical Properties

Yield Strength: ~355 MPa

Tensile Strength: 470-630 MPa

Key Features

  • High strength - Superior load capacity
  • Excellent toughness - Especially in low-temperature variants (S355J2, S355K2)
  • Good weldability
  • Reduced weight - Higher strength allows thinner sections
  • Wide range of sub-grades available

Applications

  • Heavy steel structures
  • Offshore platforms
  • Bridges
  • Crane structures
  • Structural frames for industrial buildings
  • Mining equipment
  • Pressure vessels