Using stainless steel for sculptures and art has become more popular over the last decade. Many sculptors have made stainless steel their primary material because of its many advantages.
Common shapes that are used in sculptures are the same shapes used in other industries. Most even have some of the same applications. Stainless beam, stainless channel, stainless angle, stainless tees and custom sections are all used in sculptures and art. A stainless channel is shaped with a vertical web and is more commonly used for things that require toughness. A stainless beam is used for support or framing. Stainless angles and tees can be used for trim work as well as supports. Custom shapes can be used however the artist imagines and implemented into any design. All of these things can be found at Stainless Structurals.
One reason stainless steel is a big attraction for many, including sculptors, is that it can be easily joined together. Sculptors primarily use welding to attach their artwork together. With welding, the steel becomes partially melted and then as it cools and hardens, it joins to the other part that the sculptor would like it to become attached to. Although a lot of sculptors prefer the method of welding and then leaving it as is, some prefer to use grinding and sanding. This method creates an appearance of a single piece of steel because after the welding process, the artist will grind and sand the seam until it looks like one homogenous structure. Things like statutes or monuments and lobby art are common designs of art using stainless steel.
Looking at some iconic modern installations and sculptures and examining why stainless steel is such a popular medium for artists
Stainless steel is a popular choice for public art, sculptures and outdoor features as it can be welded, machined, bent, and finished with many different surface finishes and colour effects.
In contrast any paint finish is likely to bubble and peel. However the beauty of stainless steel is that it does not rust and strongly resists attack by a great many liquids, gases and chemicals. There are different grades of stainless steel, for instance, a 304 grade is used on many art features, but where items are to be placed either in gardens or public places near the coast, a 316 grade stainless steel is often recommended which is even more resistant.
A mirror finish is one of the most popular choices which is achieved by building up shine using various grades of polishing wheels. It is ideal for all types of items where a highly polished finish is aesthetically pleasing so a good effect for art and sculpture.
Many people confuse the two but polishing refers to processes that use an abrasive which is affixed to the work wheel, while buffing uses a loose abrasive on the work wheel. Polishing is a more harsh process while buffing is less so, which leads to a smoother, brighter finish.
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In some cases up to a whole month can be spent on this 'polishing' process. Once it is polished, no re-polish is required as the finished will last for a very long time.
One example is a 3-metre diameter, highly polished, stainless steel ball that stands on the bank of a river in Wales. This took 1,080 hours to produce and much of the time went into creating the super glossy mirror finish.
Shot peening can be controlled and repeated to leave behind a range of different textures. These can be highly decorative designs and finishes. This has been achieved on the Dublin Spire, erected in December , where the ground level section was peened to create a mirrored pattern with a reflective surface.
A glass bead blast finish was added to the steel used for a large artwork project in Manchester ' The Seed Sculpture. The twelve and a half metre artwork (Artist-Colin Spofforth) was fabricated from duplex stainless steel, laser cut, welded with the glass bead blast finish used to produce the sycamore leaf-shaped effect. The sculpture now provides a focal point in a major new 450-acre urban business park, located in East Manchester's regeneration zone.
Another technique is steel brushing. It is produced by polishing the metal with a 120'180 grit belt or wheel then softening with an 80'120 grit greaseless compound or a medium non woven abrasive belt or pad. The brushing gives the metal a distinctive look. It keeps some but not all of its metallic lustre but a pattern of very fine lines, parallel to the brushing strokes, is created.
Sandblasting with a pattern on stainless steel can create a textured finish with dramatic results. Also grinding and distressing can create added interest to the steel.
A dazzling array of different finishes can be produced. These can be simple or complex designs utilising several finishing techniques including etching, or the bead blasting processes as well as colour stripping. A combination of these techniques can be used, sometimes together.
Another option is to create a dull surface which can be used on the same piece as a contrast to mirror finishes, where the metal is painstakingly dulled with heat to achieve the final effect. Also a more delicate result from heat treatment can be produced on sculptures by something called heat speckling.
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