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Mitre Grinding & Finishing Stainless Steel

Patrick Mullner

Patrick Mullner

Worked in the Industry for 10 years with a years training with abrasives in Germany

Mitre finish using stainless steel cover plate and fleece wheel

How to grind and finish a mitre joint on stainless steel?

For that perfect 45 degree angle.

Stainless steel is of course a very popular material used in various industries for its durability, corrosion resistance and optical elegance. One very common use case when joining stainless steel is a mitre joint. As shown in the picture above it creates a beautiful 45-degree finish and blends the piece nicely together. In this blog post we will be going over the steps needed to prepare and finish a mitre joint with stainless steel.

What steps do I need to take to make a perfect mitre?

Step 1) Once the piece has been welded together we need to grind the weld down until smooth. To do this we can either use a grit 40 or grit 60 zirconium sleeve.

Step 2) Pre-grinding step to ensure an even grinding pattern. To achieve this use the Zirconium Sleeve grit 80.

Step 3) We need to apply the stainless steel cover plate. This is a thin sheet of stainless steel that you can cut with normal scissors. It has an adhesive backing that can be reused many times, simply stick it on at a 45 degree angle, as shown in the image below:

Step 4) Using a Fleece wheel, finish in the desired direction then move the stainless steel cover plate to the other side and repeat.

Using the stainless steel cover plate at 45 degrees

What machine do I need to finish a mitre joint?

The POLY PTX 800 enables you to do a wide variety of jobs from grinding, finishing and polishing on flat and even on pipe work. It is ideal for finishing Mitre joints with a professional number 4 finish.

In conclusion, finishing a mitre join on stainless steel requires a combination of the right tools, materials, and techniques. By following these steps, you can create a seamless and professional-looking joint that is both durable and corrosion-resistant. With a little practice, you’ll be able to achieve a perfect finish every time.

To find a link to the POLY PTX 800 please click the link below:

For a professional mitre finish, that is repeatable and easy to use the stainless steel cover plate is a great product.