ST52 / S355 / S355J2 Structural Steel
ST52 / S355 / S355J2 Structural Steel is supplied for mechanical engineering and serial production applications where the grade, delivery condition, dimensional tolerance and traceability must be specified together. Erkal Haddecilik supplies cut-to-length steel from Bursa subject to stock.
Key properties
- Specify S355JR, S355J0 or S355J2; impact requirements are part of grade selection.
- Historical ST52 terminology does not replace the full product standard and delivery condition.
Typical applications
- Load-bearing machine frames checked against section and design requirements.
- Welded structural components with specified impact and welding requirements.
S355J2 has material number 1.0577 under EN 10025-2. Number 1.0570 relates to historical St52-3 / DIN 17100. Verify substitution against the product standard, delivery condition, impact requirements and certificate.
Technical selection note
Steel grades must not be considered exact equivalents based on similar names alone. Chemical composition, mechanical properties, product standard, delivery condition and heat treatment requirements must be verified against the certificate.
Frequently Asked Questions
Technical selection note
Material equivalence, mechanical properties and heat treatment must be verified against the applicable standard and material certificate before critical use.