4340 / 34CrNiMo6 Quenched & Tempered Steel
4340 / 34CrNiMo6 Quenched & Tempered 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
- 34CrNiMo6 and SAE 4340 are conditional comparisons, not automatically interchangeable grades.
- Specify delivery condition, section and required mechanical properties before selecting the material.
Typical applications
- Large shafts and axles with specified toughness and strength requirements.
- Highly loaded machine components, subject to material and heat-treatment verification.
4340 / 34CrNiMo6 steel: designation and ordering
34CrNiMo6 and SAE 4340 must not be treated as identical acceptance specifications. The names are compared in similar engineering applications, but the required chemistry, standard and delivery condition must be checked individually.
For a highly loaded shaft or machine part, provide the drawing designation, section, required heat-treatment condition and inspection criteria before assessing an alternative.
Supply and cutting enquiries from Bursa
Erkal Haddecilik handles material and cut-to-length enquiries from Bursa/Nilüfer for projects in Türkiye. Send the grade specification, dimensions, quantity and delivery location; availability, cutting details, shipment and timing are confirmed in the quotation, not guaranteed by this page.
Request this material → · Check grade names · Compare selection criteria
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.
Ovako describes 34CrNiMo6 / 1.6582 under its EN reference conditions. This is not a chemical acceptance table for every SAE 4340 delivery; verify the requested standard and 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.