Industrial & Mining Castings in South Africa

Knights Foundry is a family-owned, ISO 9001:2015-certified sand-casting foundry in Wadeville, Germiston, Gauteng, South Africa. It manufactures ferrous and non-ferrous industrial castings of up to 5 tonnes for mining, engineering and heavy industry, with patternmaking, melting, metallurgy, heat treatment and machining handled on one site.

Knights Foundry is at 490 Tedstone Road, Unit 12, Lothlorien Industrial Park, Wadeville, Germiston, Gauteng, 1422, South Africa. The foundry is open Monday to Thursday from 07:00 to 16:00 and on Friday from 07:00 to 13:00.

Knights Foundry casts high-chrome and Ni-Hard abrasion-resistant white irons, Ni-Resist austenitic irons, grey iron, SG (ductile) iron, carbon and low-alloy steels, high-strength and low-temperature steels, austenitic manganese steel, stainless, duplex, super duplex and heat-resistant stainless steels, and nickel-base alloys. Grades are cast to BS, ASTM, EN, DIN and SABS standards or to the customer's own specification. Aluminium (Soon): BS 1490 LM4, LM6 and LM12 aluminium castings are coming soon.

Knights Foundry pours single-piece castings of up to 5 tonnes. Its 16,700 m² Wadeville plant runs six melting furnaces with charge sizes from 500 kg to 5 tonnes and produces around 2,500 metric tonnes of castings a year.

Knights Foundry supplies castings for mining and crushing, slurry systems, dredging, construction, pulp and paper, rail, agriculture, aviation and general engineering. Typical work includes wear parts, pump castings and heavy-duty components for abrasive, corrosive and high-temperature service.

Yes. Knights Foundry has an in-house heat treatment plant with four furnaces operating up to 1100 °C for normalising, hardening, annealing and tempering, and a machine shop with 20 machines for turning, boring, milling, grinding, gear hobbing and CNC machining. Heat treatment and machining are applied wherever the order specifies them.

Every melt at Knights Foundry is analysed by optical emission spectrometry (OES), and no metal is released for pouring until its chemistry matches the customer's specification. Castings are inspected with 3D laser scanning, ultrasonic, radiographic and magnetic particle testing as specified, and the production history is kept against each job for traceability.

Knights Foundry is certified to ISO 9001:2015 for quality management, ISO 14001:2015 for environmental management and ISO 45001:2018 for occupational health and safety. Its Quality, Health, Safety and Environmental policy and its Corporate Social Responsibility policy are published on the website.

Yes. Knights Foundry exports castings from South Africa to customers in Europe, the United Kingdom, China, Australia, the United States and Mexico. High-chrome iron makes up most export volume, followed by grey iron and duplex and super duplex stainless steel, shipped by FCL, LCL, air or sea freight with export documentation handled by the foundry.

Yes. The Knights Foundry pattern shop makes traditional patterns in timber, resin and metal, and CNC-milled patterns from 3D CAD models on a Unicam CNC router with a 4 m × 2 m bed. This supports both one-off castings and repeat production runs.

Knights Foundry is owned and run by the Van der Walt family, who have worked in the foundry industry since the 1960s. The company was founded by brothers Koos, Johann and Jan Van der Walt with Johann's wife, Letitia, poured its first casting in 2005, and is now led by the second generation: Vincent and Cobus Van der Walt and Louis Miller.

To request a quote from Knights Foundry, email sales@knightsfoundry.co.za or call +27 11 827 2517. Include the drawing or pattern details, material specification, quantity, approximate casting weight, service duty and any heat treatment, machining or inspection requirements. Material specification questions can go to ruaan@knightsfoundry.co.za and export enquiries to Sunique@knightsfoundry.co.za.