Comparison between ductile iron castings and grey iron castings

Castings are made of grey or ductile iron.

In particular, it should be clarified that the product scope covers castings of non-malleable cast iron and of spheroidal graphite cast iron (ductile iron).

Both grey and ductile castings are produced in the PRC.

Russell Ductile Castings offers a wide range of iron alloys including Ductile (SG) Iron, Compacted (CG) Iron, Grey Iron, Austempered Ductile Iron, Abrasion Resistant Iron and Austenitic Iron.

pig iron (including hot metal) and ferro-alloys

pig iron for steel

The invention relates to a method for producing pig iron.

The surface of the ingot is solid pig iron.

The cleaning machine can purge the carbon block impurities, electrolyte impurities and other impurities from the broken phosphorous pig iron to recycle the phosphorous pig iron.

In the step (a), cast iron is formed into a cast iron product.

Cast tube or pipe fittings of iron or steel (excl. products of non-malleable cast iron

Of cast iron, whether or not enamelled

Of cast iron, whether or not enamelled

Of cast iron, whether or not enamelled

Tube or pipe fittings, of cast iron

Waste and scrap of cast iron

Tube or pipe fittings, of cast iron

Tube or pipe fittings, of cast iron

Waste and scrap of cast iron

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ASSIFONTE

ASSIFONTE

A melt of a material is cooled and a sheet of the material is formed in the melt.

The channels are filled with melt.

The invention relates to a method and device for cooling the housing of a melting unit melting chamber.

A method in the production of ductile cast iron comprising controlling and correcting the composition of the cast iron melt.

The present method for producing and storing meltwater includes freezing water in a thermally-insulated container, draining off a liquid concentrate of organic and inorganic impurities, melting the ice mass and storing the meltwater.

The invention is suitable for use in metal founding with ceramic reinforcements.

Melting of additional solid polymer is significantly assisted by excess enthalpy from incoming melt from a primary mixing stage.

A time measurement circuit (106) measures a warm-up time to a first temperature threshold below the melting temperature, and measuring a melting time to a second temperature above the melting temperature.

A roof snow melting system which can be used over a long term while facilitating the work for laying a snow melting panel on the roof.

The inventive method consists in incorporating control elements (7) in a melting charge (4), said elements increasing locally the solidification speed of the melting charge (4).

Integrated works for the initial smelting of cast iron and steel