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1

Application of cored wire injection method to the producing of vermicular cast iron

Guzik E., Kleingartner T.

Archives of Foundry Engineering

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2008

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Vol. 8, iss. 1 spec.

127--130

EN

The results of studies on the use of magnesium alloy in modern cored wire injection method for production of vermicular graphite cast irons were described. The injection of Mg cored wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire (Mg recovery 45% ) for the production of vermicular graphite cast irons at Giesserei Heunisch GmbH Foundry. The results of calculations and experiments have indicated the length of the cored wire to be injected basing on the initial sulfur content and weight of the treated melt. The paper presents a microstructure matrix and vermicular graphite in standard sample and different walled castings. The results of numerous trials have shown that the magnesium cored wire process can produce high quality vermicular graphite irons under the specific industrial conditions of the above mentioned foundries.

2

Analysis of quality and cost of FeSiMg treatment master alloy vs. cored wire in production of ductile cast iron

Guzik E.

Archives of Foundry Engineering

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2008

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Vol. 8, iss. 2

45-48

EN

The results of studies on the use of FeSi5%Mg magnesium alloy in modern cored wire injection method for production of nodular and vermicular graphite cast irons were described. The injection of Mg cored wire length is a treatment method which can be used to process The injection of Mg cored wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire (Mg recovery 47-70%) for the production of vermicular and nodular graphite cast irons at in at least 13 foundries. The results of calculations and experiments have indicated the length of the cored wire to be injected basing on the initial sulfur content and weight of the treated melt. The results of numerous trials have shown that the magnesium cored wire process can produce high quality nodular and vermicular graphite irons under the specific industrial conditions of the above mentioned foundries. It has also been proved that in the manufacture of nodular graphite iron, the cost of the nodulariser in the form of elastic cored wire is lower than the cost of the FeSiMg5 master alloys.

3

Quality and cost assessment of treatment with SiMg and NiCuMg master alloys vs cored wire in production of ductile iron

Guzik E.

Archives of Foundry Engineering

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2007

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Vol. 7, iss. 3

57-60

EN

The results of studies on the use of magnesium alloy in modern cored wire injection method for production of nodular and vermicular graphite cast irons were described. The injection of Mg cored wire length is a treatment method which can be used to process high sulphur cupola iron held in ladles or iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire (Mg recovery 47-70% ) for the production of vermicular and nodular graphite cast irons at Ścinawka Foundry, and for the production of nodular graphite iron at the following foundries: GZUT, KRAKODLEW, Centrozap - DEFKA, EE Zawiercie, WSK-Rzeszów, FWM PRZYSUCHA, HSW Stalowa Wola and PIOMA. The results of calculations and experiments have indicated the length of the cored wire to be injected basing on the initial sulfur content and weight of the treated melt. The results of numerous trials have shown that the magnesium cored wire process can produce high quality nodular and vermicular graphite irons under the specific industrial conditions of the above mentioned foundries. It has also been proved that in the manufacture of nodular graphite iron, the cost of the nodulariser in the form of elastic cored wire is lower than the cost of the FeSiMg or NiCuMg master alloys.

4

Ocena techniki PE sfero- i wermikularyzowania żeliwa na przykładzie krajowych odlewni

Guzik E.

Archiwum Odlewnictwa

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2006

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R. 6, nr 19

131-140

PL

W pracy przedstawiono metodę zabiegu sfero- lub wermikularyzowania żeliwa przy użyciu specjalnego przewodu elastycznego. Technikę tę zastosowano dla żeliwa wytapianego w żeliwiaku oraz w piecu elektrycznym w wielu krajowych odlewniach, np. Ścinawka Średnia GZUT, KRAKODLEW, Centrozap - DEFKA, EE Zawiercie, WSK -Rzeszów, FWM PRZYSUCHA i HSW Stalowa Wola. Ustalono zużycie tego przewodu w zależności od zawartości siarki w żeliwie wyjściowym i masy sferoidyzowanego żeliwa. Omawianą metodę przewodu elastycznego można z powodzeniem wykorzystać jeszcze w wielu krajowych odlewniach. Technika ta zapewnia stosowne warunki BHP zabiegu sfero- i wermikularyzowania żeliwa, a także wymaganą docelową zawartość magnezu w żeliwie. Wskazano niezbędnie warunki techniczno-technologiczne tego zabiegu metalurgicznego które spełniają te warunki.

EN

The paper describes the results of using a Mg alloy in modern cored wire injection method for the producing of nodular and vermicular graphite cast iron. The injection of Mg cored wire length is a treatment method which can be used to process (high sulphur) cupola iron held in ladles or friquency induction furnace. This paper describes the results of using a high magnesium ferrosilicon alloy in cored wire (Mg recovery 47-70%) for the production of vermicular and nodular cast iron at Ścinawka Foundry used in production of ductile iron in Foundryies: GZUT, KRAKODLEW, Centrozap - DEFKA, EE Zawiercie, WSK-Rzeszów, FWM PRZYSUCHA, HSW Stalowa Wola. Results of calculation and experiments shows the amount of cored wire to be injected based on initial sulfur and weight liquid cast iron levels. The results of numerous trials have shown that process magnesium cored wire is capable of producing good quality ductile iron and vermicular cast iron in production situations.