Heat treating can soften metal, to improve formability. It can make parts harder, to improve strength.

Many people wonder what significance heat treatment can have on their product. Good heat treatment drastically improves the quality of your product as it can double the life of your product. Of course, as with anything, poor treatment can have the complete opposite effect and could lead to a serious disaster. We at Supreme Heat Treatment apply our many years experience to every process that we do, providing you, the customer, with a service of a very high standard.

Today, the business is firmly established and occupies 2000m² premises in Wadeville, Germiston.

The heat treatment plant is backed by a fully equipped laboratory with facilities for test specimen preparation, microhardness testing, carbon determination, microscopes, process control apparatus etc.

Heat treatment processes include gas nitriding, stress relieving, annealing, normalising, hardening and tempering, spheroidizing, carburizing, liquid-nitriding, nitro-carburising, carbo-nitriding, tufftriding, marquenching, austempering, martempering, sherardizing, manganese and zinc phosphating, special surface coatings such as ceramic and molybdenum di-sulphide for un-lubricated wear applications and induction hardening.

In addition, solutionizing and ageing treatments for non-ferrous materials and stainless steels are carried out.