Glass Moulds

Glass MouldsSteloy Castings is the sole supplier of moulds to the glass manufacturing industry in South Africa. Our main focus is on the casting of glass moulds for the production of precision glass components. Over the years, we have developed advanced materials and processes to enhance the integrity of our cast components in order to extend the life of our glass moulds significantly by improving wear and corrosion resistance while offering high thermal conductivity.

Being the only foundry that supplies cast components to the South African glass industry, Steloy offers a wide range of glass moulds in a variety of shapes and sizes for the different sectors of glass manufacturing, including moulds for the production of glass containers, glass sheets, etc.

The casting of moulds takes place at Steloy’s Tungsten Street plant. Its mould-machining facilities are equipped with the latest CNC pattern making technology to ensure that moulds are manufactured to a high precision, conforming to customers’ specific requirements. In addition, stringent quality control is ensured throughout the production process with ISO 9001:2008 Quality Management System accreditation. 

News updates

Steloy Supplies Support Components for PetroChina Expansion Project

Steloy Castings recently supplied internal support components to PetroChina, the largest petrochemical company in China, for the addition of 14 furnaces to their plant in Jieyang, Guangdong, China contributing to the PetroChina Refinery Expansion Project to increase capacity for the production of petroleum and petrochemical products. 

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About Us

Established in 1984, Steloy Castings ranks as one of the most advanced specialist foundries in South Africa, supplying static and centrifugally cast high-alloy components to customers across the globe.


Head Office:
4 Cobalt Street, Ekandustria, Bronkhorstspruit,
South Africa
P.O. Box 1591, Bronkhorstspruit, 1020, South Africa

Tel: +27 13 933 3331
Fax: +27 13 933 3653