Petrochemical CastingsSteloy Castings is recognised as the leading name in the supply of a full range of petrochemical castings, producing custom furnace supports and process tube castings in a variety of heat-resistant alloys for industrial fired and process heaters.

We supply individual corrosion and heat resistant components as well as complete subassemblies for fired-heater applications covered by API 560 to meet the demands of this challenging industry where safety and quality is of critical importance.

Our strong position in this industry has put us on the approved vendor lists of high profile companies such as Foster Wheeler, Selas Linde, ExxonMobil, Petrochem–Heurtey, OnQuest, Born Heaters – Canada, Chevron, Selas Fluid USA and KTI, to name a few.

Typical applications include radiant and convection castings for:

  • Crude heater
  • Vacuum heater
  • Cylindrical heater
  • Delayed coker heater
  • CCR platformer
  • Cabin heater
  • Reformer (hydrogen)
  • Pyrolysis furnaces (ethylene)
  • Synfuel Coal to Liquids (CTL)

Castings for the Petrochemical industry:

Tube Sheets, Brackets & Fittings

Centrifugally Cast Tubes such as reformer, cracking and catalyst tubes for high-temperature, high-pressure applications are manufactured in accordance with the general requirements of ASTM A608.

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Support, Process & Refining Tubes

Produced in accordance with a number of ASTM specifications, static castings can be divided into two main applications: return bends and tube supports.

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Gasifier Parts

Steloy Castings produces every cast component used in the manufacture of the hearth part of gasifier units, the heat resistant stainless steel main grate components.

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Fabrication & Testing

Steloy Castings supplies custom assemblies, including various configurations of heater coils and harps and collectors, using static castings and centrifugally cast tubes.

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News updates

Steloy awarded IRIS Certification as Proven, Reliable Railway Components Provider

Steloy Foundry has obtained International Railway Industry Standard (IRIS) certification, a standard developed by the UNIFE Group (the Association of the European Rail Industry) to provide a transparent evaluation system for companies in the railway industry. The certification attests to the quality and reliability of Steloy’s finished, machined components for railway applications.

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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