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    System Certification

    Liberty Ostrava a.s. Company was the first metallurgical company in the Czech Republic to introduce ISO 9000 standards... 1992.System Certification
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    Management System

    The integrated Management System of Quality, Environment and Health and Safety... Management System
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    System and the Health and Safety

    The Quality Management System, the Environment Management System and the Health and Safety... System and the Health and Safety
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    Declaration of Performance

    Manufacturer Liberty Ostrava issued following Declaration of performance... Declaration of Performance


Castings production tradition dates back to 1951. Long term experience in castings production is currently used for production of demanding grey iron and nodular iron castings for metallurgical and engineering companies in the Czech Republic and abroad. The operation unit includes also a pattern shop and scales treatment center. The unit obtained product certificates from Bureau Veritas for the entire product range and Lloyd's Register for grey iron and nodular iron castings with a piece weight up to 15 000 kg.

Grey iron and nodular iron castings

Moulds and accessories, stands, beds of machine tools, tables, base plates, fixing plates, pressing tools, gearbox housings, flywheels, gears and chain wheels, pulleys, fittings, mandrels, elbows, weights, etc. Grey iron and nodular iron castings are made by uniform technological process of manual molding into frames and to the ground (coffers) using forming mixture based on furan resins and are heat-treated - e.g. annealing to remove stresses.

Pattern equipment - Pattern Shop

The Pattern Shop provides production of pattern equipment with dimensions up to 2 000 x 2 400 x 4 500 and Ø 3 000 mm made from wood, resin or plastics for the needs of the company´s foundry as well as for external customers. Workmanship of models in class H3, H2, H1 as per ČSN EN 12890. In case of more demanding requirements of the customer we also cooperate with partnership pattern shops.

Castings are supplied according to the requirements of our customers

OdrážkaIn the crude form
OdrážkaWith basic coating
OdrážkaFree loaded (without packing)
OdrážkaOn pallets or otherwise packed

Transport is ensured

OdrážkaBy railway
OdrážkaBy trucks
OdrážkaBy special transport
OdrážkaBy shipping

Material quality documents

OdrážkaChemical analysis certificates
OdrážkaMechanical properties certificates
OdrážkaNon-destructive testing – RTG, UT, magnetic method


Production parameters

Grey iron and nodular iron castings foundry
Cast materials Weight (kg)
  • • hematite cast iron
  • • treated steel-making hot metal
500 - 150 000
  • • gray iron ČSN 422415, 422420, 422425, 422430, GG 15, GG 20, GG 25, GG 30
150 - 80 000
  • • nodular iron ČSN 422304, 422305, 422306, 422307, GGG 40, GGG 50, GGG 60, GGG 70
150 - 15 000


Based on request of the customer we can produce even different qualities of cast iron, alloyed cast iron (e.g. Ni-Hard and other). We can also provide heat treatment for the castings.


Material quality documents
Gray iron castings ČSN 014470 level 4-5 DIN 1686 GTB 17-20
Nodular iron castings ČSN 014470 level 4-5 DIN 1685 GTB 17-20


More information:


Libuše Pečivová
T +420 595 686 821
F +420 595 682 457
M +420 724 777 260


Ing. Aleš Sekanina
M +420 720 747 900

News release PhDr. Barbora Černá Dvořáková, MBA - PR manager & Spokesperson >