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Inoculants

As the UK agent for SNAM Alloys, William Rowland Ltd can offer a range of inoculants for use by foundries and steel makers.

 

Aluminium

Aluminium is the most widely used non ferrous metal (approx 26 million tonnes consumed annually) and comes in a variety of forms and specifications for industries as diverse as aerospace, construction, packaging, electronics, engineering, power transmission, etc.

 

Barium

Barium is an alloy and it has has the advantages of improving the nodule count in ductile and SG iron. It also controls carbide formation in thin section castings and provides a good chill reduction in thin section, flake graphite castings.

Barium is available in a wide range of sizes to suit a variety of different applications.

 

Calcium Silicide

Calcium silicon is used for refining, desulphurisation, deoxidisation and inclusion control.

 

Calcium Silico Manganese

Calcium Silicon Manganese behaves in a similar manner to Calcium Silicon, however its lower Calcium content tends to reduce its volatility. It still performs well as a desulphuriser, deoxidiser and as a means of controlling inclusion size, shape and distribution.

 

Ferro Silicon

Ferro silicon is used as a source of silicon to deoxidize steel and other ferrous alloys. In contact with water, ferro silicon may slowly produce hydrogen which is used by the military to quickly produce hydrogen for balloons.

 

Ferro Silicon Magnesium

 

Ferro Silicon Zirconium

Ferro silicon zirconium is available in a range of sizes to suit customer requirements and is typically used as deoxidant in steel castings or in certain steels where a low residual aluminium is required.

Typical analysis is 50% Si, 35% Zr.

 

Lanthanum

Lanthanum is available in a wide range of sizes to suit a variety of different applications.

Lanthanum helps in controlling the effect of undesirable elements in iron, and is very effective at controlling shrinkage and chill reduction. It is best suited in inoculation of ductile and vermicular irons.

 

Strontium

Strontium is available in a wide range of sizes to suit a variety of different applications.

Strontium is used at late inoculation particularly where calcium and cerium levels are low and is suited for flake graphite where very low levels of aluminium and calcium are required.

 

Zirconium

Zirconium is available in a wide range of sizes to suit a variety of different applications, and this particular inoculant is used to control the chill and nodular count in ductile and SG Iron.