STAINLESS STEEL

for garden objects

Stainless steel

noble material for metal garden objects

Steel grades under the term “stainless steel” have high corrosion resistance. The reason lies in the protective film formed on the surface by the chemical composition, which is called the “passive layer”. Stainless steel has a unique ability: it is self-healing. Due to its alloying agent content, an extremely thin, transparent passive layer forms on the surface. Even if the corrosion-resistant steel is scratched or otherwise damaged, this passive layer, which is only a few atomic layers thick, instantly reforms under the influence of oxygen from air or water. This explains why stainless steel does not require coatings or other forms of surface protection.

However, a certain amount of care must also be given to the stainless steel surface to maintain a good visual appearance.

Stainless steel planter TERRESTA
Planters TERRESTA made of high quality stainless steel
04_040_KU_Bullinger_Garden_metal_stainless_steel_AQUA_BOWL_Slider
Stainless steel water bowl AQUA BOWL

Everything important at a glance.

STAINLESS STEEL

Information material

User information METAL

Tender For base material

Further information on the material "Stainless steel

Further information on stainless steel as a material, surface finishes and care of this noble material can be found on the website of the Informationsstelle Edelstahl Rostfrei(ISER). Source reference for this page (excerpts): Leaflet 965 – Cleaning and maintenance of stainless steel in construction (Informationsstelle Edelstahl Rostfrei, 2009).

Properties of stainless steel material

V2A and V4A

Not all stainless steel is the same. In almost all cases, we use the particularly high-quality and corrosion-resistant stainless steel with the material number 1.4404 (V4A) for outdoor use. This stainless steel has increased resistance to chlorides, acids and sulfur dioxide compared to “normal” stainless steel (V2A). However, we generally advise against the use of water additives containing chloride, e.g. to reduce water turbidity. If the dosage is too high, corrosion may occur despite the robustness of the material.

Surface - appearance and processing

In principle, we supply all surfaces from Gartenmetall®. Known surfaces are “brushed” or “sanded”. However, daily practice in gardening and landscaping has shown that “Rotex-ground” surfaces are particularly suitable for garden objects . Due to the non-directional cut, sunlight is refracted evenly and fingerprints are hardly noticeable. However, the most important advantage is: scratches that occur during use or assembly can be easily removed on site without any loss of quality.

Stainless steel surface, Rotex ground
Gartenmetall® stainless steel with "Rotex" grinding

Attention

when handling "stainless steel

Surface rust can also form on stainless steel (V2A and V4A) due to the adhesion of “foreign” iron particles.

The particles can reach the surface, for example, through contact with steel, through rust particles from neighboring Corten steel surfaces or through cut-off grinding in the area of stainless steel. If the rust particles have not been on the stainless steel surface for a long time, they can usually be removed with a standard kitchen sponge. If the particles have already rusted into the surface, then we recommend removing them with special stainless steel cleaners such as our STAINLESS STEEL CARE or the stronger STAINLESS STEEL LOTION.

Cleaning agent for stainless steel surfaces

Maintenance cleaning for stainless steel surfaces

When installed outdoors, the cleaning action of rain is generally sufficient to remove harmful deposits from surfaces. Surfaces that are not reached by rain, on the other hand, require maintenance cleaning. A dishwashing solution is usually sufficient to remove fingerprints. For maintenance cleaning and care of stainless steel with other, lighter soiling, especially organic and greasy stains, the mild, milk-like STAINLESS STEEL CARE on alkaline basis is recommended.

Cleaning for stubborn soiling

A particularly strong stainless steel cleaner, specially developed to remove rust stains on stainless steel, is our Gartenmetall® product EDELSTAHL-LOTION. When applied, the surfaces are simultaneously cleaned, visually brightened and maintained with a sealant. LOTION is not suitable for normal maintenance cleaning of stainless steel, as it sharpens the stainless steel surface. Please test the application on a sample surface beforehand!

Attention sign

More tips for cleaning

Scouring powders are unsuitable for cleaning stainless steel, as they scratch the surface. Heavily oily and greasy soiling can be removed with alcohol-based cleaning agents and solvents, e.g. methylated spirits, isopropyl alcohol or acetone, which are harmless to stainless steel. Mortar and cement splashes can be removed with warm, diluted phosphoric acid. Then rinse abundantly with neutral, ideally demineralized water. Alternatively, vinegar is also suitable, which is diluted with water depending on the degree of soiling. The same polishing pastes that are used for chrome-plated parts are suitable as supplementary care for stainless steel surfaces.

Tender text for GaLaBau, for landscape architects and planners

“High-quality stainless steel, material no. 1.4404, AlSI 316L (V4A) or equivalent, material properties according to DIN EN 10088-2. Surface visible sides rotex-ground according to sample. All weld seams pickled and passivated.”

Everything important at a glance.

STAINLESS STEEL

Information material

User information METAL

Tender For base material

Further information on the material "Stainless steel

Further information on stainless steel as a material, surface finishes and care of this noble material can be found on the website of the Informationsstelle Edelstahl Rostfrei(ISER). Source reference for this page (excerpts): Leaflet 965 – Cleaning and maintenance of stainless steel in construction (Informationsstelle Edelstahl Rostfrei, 2009).

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