Welding stainless steel – precision, strength and a superior finish

When high demands are placed on durability, hygiene and finish, stainless steel is often the preferred material. At Ollerup Maskinfabrik, we have many years of experience in welding stainless steel, and we know that it requires more than just the right machine. It requires an understanding of the material’s properties, precise temperature control, and an uncompromising approach to quality.

Stainless steel welding experts

We carry out professional welding in a wide range of stainless steel grades – including AISI 304 and 316 – and we primarily use TIG welding, which ensures a clean and controlled joint without spatter and with an attractive visual finish. For larger series or particularly demanding tasks, we also offer automated welding and orbital welding.

Perfect for the food and pharmaceutical industries

Stainless steel is known for its high corrosion resistance and is particularly well-suited for environments where hygiene and cleaning are paramount – such as in the food and pharmaceutical industries. Our welds comply with the requirements and standards set for these industries, and we offer complete documentation, including material certificates and welding reports as required.

Quality and precision in all details

Every single weld is carefully checked – both visually and with testing, when the task requires it. Our team of certified welders works with great precision and ensures consistent quality across small and large batches. Our machinery is modern and suitable for both thin sheet metal and heavier items.

MIG and MAG welding

MIG/MAG welding is an extremely flexible welding method that can be used for aluminium, steel and stainless steel. During the MIG/MAG welding process, we add wire, which is melted onto the material.

The difference between MIG welding and MAG welding is the use of gas. When using MIG (Metal Inert Gas), the gas is inert, which protects against the atmosphere. When using MAG (Metal Active Gas), the gas is active. The gas functions as an active part of the chemical process.

TIG welding

When using TIG welding (Tungsten Inert Gas), we use an inert gas that prevents other gases from accessing the welding material.

We often use TIG for pipe and pipeline welding. Tungsten has an extremely high melting point and is therefore often used for more precise and accurate welding on thin material.

MMA welding

MMA welding, Manual Metal Arc, is also called electrode welding. MMA welding is a welding method where an electrode (electronic rod) is mounted on an electrode holder and forms an arc between the electronic rod and the material.

MMA welding can be used for outdoor welding or for welding pipes, among other things.

Laser welding

As something relatively new, we offer LASER WELDING of various workpieces in both stainless and black steel.

In laser welding, we join metals using a concentrated laser beam with a power of up to 3 kW. When welding stainless or black steel plates in thinner material thicknesses, joining can be carried out at a very high welding speed, measured in metres per minute. In laser welding, the heat input is concentrated on a very small area of the workpieces, which reduces the risk of distortion, twisting and geometric impact on the workpieces, as well as reducing the total heat input to an absolute minimum!

Compared to other welding processes we offer, it provides laser welding the following advantages:

High welding speed.
Significantly reduced heat influence and low heat input.
Narrow, precisely placed weld seams.
Problem-free welding of thinner materials such as foils and relatively thin sheets.
Welding foil/thin sheets to thicker materials, and material thicknesses can be carried out problem-free.

Certificate welding

At Ollerup, we have certified welding, and this is within TIG, MAG, and Electrode. Our welding certifications are in the following areas:

TIG 141, 142
MAG 135, 136, 138
Electrode 111

Welding that lasts – and looks good

At Ollerup Maskinfabrik, we don't compromise. We deliver stainless steel welds that are not only strong and functional, but also aesthetically pleasing. Whether for a food tank, piping, or a custom component, we ensure the finished result meets your requirements and expectations.