Gray iron casting

For over 80 years, RS Metali has been producing grey iron castings at its three production facilities: Samobormetal, Rapid Virovitica, and Ljevaonica Bjelovar. Thanks to modern equipment and extensive experience, we are able to supply castings—whether for single-unit or serial production—based on customer drawings or samples.
Grey iron production is carried out in accordance with DIN EN 1561 / DIN 1691 standards, covering grades from EN-GJL-100 to EN-GJL-300, with tensile strengths ranging from 100 to 380 N/mm² and hardness values between <150 and 270 HB.
Casting quality is ensured through comprehensive laboratory equipment, including:
  •  foundry sand analysis (cohesiometer, permeameter, moisture testing device)
  •  chemical composition analysis using a LECO GDS 500A spectrometer
  •  microstructure examination using an Olympus optical microscope
  •  dimensional inspection using a FARO measuring arm, with an accuracy of up to ±0.005 mm
  •  mechanical property testing (Brinell hardness, tensile strength testing on a SHIMADZU AG-X machine)

The quality management system is certified according to ISO 9001:2015, ISO 14001:2004, and OHSAS 18001:2008 standards, and holds approval from the Croatian Register of Shipping for the production of grey and ductile iron castings.


 

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