Ravne looks back at 400 years of tradition in steelmaking and casting. Throughout its development, shifts have been seen from a simple geometry of castings made of unalloyed steels into more demanding and complex product constructions using low & high-alloyed cast steel.

Key Products

  • Serial castings at 0,2 – 40 kg (for ex. fittings DN15 to DN100) according to Croning method (hot box procedure)
  • Individual castings and smaller series at 15 – 1000 kg (for ex. fittings DN100 to DN600) according to ester silicate method (usage of different quality of silicate, ceramic, chromite and zircon sand)

Steel Grades

  • Unalloyed and alloyed cast steel
  • Wear – resistant cast steel on the basis of Cr and Mn
  • Stainless and corrosion – resistant cast steel
  • Heat – proof steel castings
  • Austenitic – ferritic steel castings (duplex)
  • Special alloys

Materials

  • DIN Standard: 1.0619, 1.4408, 1.1138, 1.5419, 1.7357, 1.4308, 1.4409, 1.4581, 1.4470
  • ASME Standard: WCB, CG8M, WCC, A217 WC1, A217 WC6, A217 WC9, CF8, CF3M, CF3, A182, A890 4A, 5A, 6A

Production Capacities

  • Production of castings according to the Croning method: 80 – 90 t monthly
  • Production of castings according to the Veloset method (self-hardening sand moulds): 40 – 50 t monthly
  • Melting in induction furnaces with different capacity (2.000 kg, 600 kg, 150 kg)
  • Preparation of new patterns from metal and wood, repairing of old patterns

Our Offer

  • Production of castings and finished sub-assemblies for fittings and pumps,
    for chemical and petrochemical industry, wood-processing industry, machine construction and automotive industry
  • Production of wear-resistant products for sand-blasting machines
  • Production of castings made of refractory material
  • Production of tools (patterns made of steel, wood and plastics)
  • Heat treatment (heating with gas, cooling with air, water, then usage of vacuum furnace and cooling in oil (at subcontractors)
  • Acceptance conditions in conformance with customers’ requirements, for ex. Germanischer Lloyd, Bureau Veritas, Det Norske Veritas, RINA, etc.)

Quality Control

  • Chemical analysis
  • Metallographic inspection
  • Non-destructive testing (RT, PT, UT, MT)
  • Destructive testing (tensile test, notched-bar test)
  • Dimensional testing on modern measuring machines

CUSTOMER SERVICE
Croning Livarna d.‎o.o.
Koroška cesta 14
2390 Ravne na Koroškem
Slovenia

PHONE +386 (0)2 87 70 500
FAX +386 (0)2 87 70 550
E-mail

Expertise

We offer technical expertise and advice because we understand that specialized products require customized expert support. We also offer training programs on-demand.

Safety

Safety is our priority. When working with corrosive or abrasive media in the chemical, petrochemical, refining, oil & gas, power and biopharma industries, our products meet high safety standards and are therefore used and accepted in these industries, worldwide.

Quality

Quality is always at the core of our business. Our products are subjected to thorough measurements and quality checks throughout the production process. Each finished product is carefully inspected and tested in a final check. With our quality checks and programs in place, we can assure a consistent quality.

CRONING LIVARNA®

Today, the company has 114 employees who produce high-quality cast steel made of high-quality steel grades of very complex geometries.

Ravne ima za sabo skoraj 400 let bogate tradicije na področju jeklarstva in livarstva. Skozi različna obdobja razvoja livarstva so bili opazni premiki iz proizvodnje enostavnih, manj zahtevnih geometrij ulitkov iz nelegiranih jeklenih litin v izdelavo tehnološko zahtevnejših konstrukcij izdelkov iz nizko in visoko legiranih jeklenih litin.