Rail Engineering

Castings for Rail Infrastructure DevelopmentOver the past 30 years, Steloy Castings has established themselves as a proudly South African foundry group specialising in the supply of high quality castings to the rail engineering and rolling stock industries, with a track record that speaks for itself and a customer base that includes rail infrastructure development giant, Transnet. Our reputation for providing safe, high quality steel casting solutions to the railroad industry has positioned us as a reliable partner that is committed to delivering unique solutions to challenging projects.

Our casting solutions range from motor covers and bearing housings, to alloy suspension arms for self-steering bogies used in extremely cold climates. Components are produced in a range of alloys as listed in ASTM A148 and addressed in more detail in:

  • Association of American Railroads – Mechanical Division (AARM M201)
  • Spoornet Rolling Stock (RS/C/190)
  • British Standards (BS3100)

Strong manufacturing capabilities, capacity, state-of-the-art production facilities, technical expertise and a focus on delivering high quality has formed the backbone of Steloy’s operations in the manufacture and supply of rail components that conform to industry standards and demonstrate value in product performance.

Steloy’s one-stop service offering to the rail industry includes:

  • Drawing analysis
  • Draughting of manufacturing drawings
  • CNC pattern making
  • Simulation of all first-of-a-kind castings with advanced MAGMASOFT simulation software to enhance quality and reduce lead times
  • Moulding, casting and fettling
  • Heat treatment (incl. annealing, normalising, quench and tempering)
  • Non-destructive testing
  • Machining

Our solutions for the Rail Engineering and Rolling Stock industry

Rolling Stock Components

Steloy supplies a variety of static cast components for the bearing portion of the wheel assembly, some of which include cannon boxes, axle boxes, horn frames, u-tubes and links.

Find out more or click here to download our full process presentation

IRIS Certification

steloy iris certificateOur IRIS certification attests that Steloy complies with international unified quality standards and fulfils the highest demands for reliability of the railway industry

Download Certificate

Click on the image below to download our IRIS ceritifcation certificate


News updates

Power Generation Conference 2015

Steloy Castings will unfortunately not be attending this year’s POWER-GEN Africa Conference, but here is all you need to know about the conference.

POWER-GEN Africa will consist of a conference and exhibition dedicated to the needs, resources and issues facing the power generation sector across sub-Saharan Africa. It will, for the 3rd year, bring together a range of experts involved in every aspect of the business of power generation from policy makers, project developers, financiers, engineers, suppliers and operators in a forum that offers valuable networking and information exchange.

Read more ...


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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