Metal properties for custom folded sheet metal

Material guide · Custom sheet metal · Switzerland

Metal characteristics
for folded sheet metal

Aluminium, galvanized steel or stainless steel: compare the properties, surface treatments, finishes and applications of metals used for copings, flashings, cladding and custom folded parts.

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Aluminium

Light, recyclable and corrosion resistant, ideal for facades and coloured architectural flashings.

Lightweight · RAL · Exterior

Galvanized steel

Robust and zinc protected, suitable for roofing, structures and exposed building envelopes.

Strength · Zinc · Site

Stainless steel

High corrosion resistance and simple maintenance for kitchens, exterior works or premium finishes.

Hygiene · Durability · Design

01 — Aluminium

Alloys, treatments and care
Aluminium sheet for custom folding by SuissePliage

Aluminium combines low weight, workability, corrosion resistance, non-toxicity and recyclability. It suits exterior folded parts and decorative surfaces.

Sheet type Alloy used
Natural aluminium 1050 (A5)
Anodized aluminium 5005 (A-G06)
Pre-coated aluminium 3003 / 3005 H24
Patterned aluminium 5754 H111

Anodizing

Electrolytic treatment with a layer of about 15 microns. Hard, insulating, attractive surface in matt metallic grey or bronze.

Powder coating

Chemical preparation, electrostatic powder application and oven polymerisation for adhesion, protection and colour.

Care

Clean with water and mild detergent, rinse and wipe softly. Avoid acids, alkaline cleaners and abrasives.

02 — Aluminium range

Products and thicknesses
Product Application / finish Thicknesses
Alinox sheet Brushed stainless look, interiors and fit-out 1 / 1.5 / 2 mm
Tread plate Anti-slip relief, impact and rolling loads 1 / 1.5 / 2 mm
Natural sheet Cladding and decorative finishes 1 / 1.5 / 2 mm
Anodized sheet Durable finish for fit-out 1.5 mm
Pre-coated sheet Factory coating suitable for folding 1 / 1.5 / 2 mm
Post-coated sheet Powder coating after finishing 1 to 6 mm
Perforated sheet Ventilation, protection and decoration 1 / 1.5 / 2 mm

03 — Steel and stainless steel

Strength, protection and hygiene
Galvanized steel for sheet metal work

Galvanized steel

Steel provides strength, formability, machining and welding ability. The protection selected depends on exposure and expected appearance.

Sheet Protection
Raw / pickled oiled steel Paint or varnish required
Galvanized steel Zinc protection
Pre-coated steel Zinc and paint coating, main thickness 75/100
Corten steel Self-protecting patina
Stainless steel for custom folded parts

Stainless steel

304L stainless steel, containing nickel and chromium, offers strong corrosion resistance and excellent workability for kitchens, exteriors and decorative work.

Finish Application
Natural stainless steel Technical, pickled and protected
Brushed stainless steel Decorative, satin appearance
Mirror-polished stainless steel High reflectivity
Perforated stainless steel Ventilation and stainless cladding

Care: water and mild soap; avoid coarse abrasives and clean brushed finishes along the grain.

Which metal should you choose?

Need Common choice Why
Coloured facade or coping Powder-coated aluminium Light and compatible with RAL finish
Robust cladding or roofing Galvanized steel Strength and zinc protection
Kitchen or premium finish Stainless steel Hygiene, appearance and corrosion resistance

Final selection depends on exposure, forming, finish, compatibility with other metals and available options. Also view the RAL colour guide.

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Material guide · Switzerland

Metal characteristics

Aluminium, galvanized steel and stainless steel for custom folded parts.

View materials
Aluminium sheet

Aluminium

Light, corrosion resistant and recyclable. Alloys: natural 1050, anodized 5005, pre-coated 3003/3005 H24 and patterned 5754 H111.

Finishes: approximately 15 micron anodizing or powder coating. Gentle cleaning without acids or abrasives.

Aluminium range
Alinox, tread, natural, pre-coated, perforated: 1 / 1.5 / 2 mm
Anodized: 1.5 mm
Post-coated: 1 to 6 mm
Galvanized steel

Galvanized steel

Strong and formable. Raw or pickled steel requires paint; galvanized steel uses zinc protection; pre-coated steel has zinc and paint, main thickness 75/100; Corten develops a protective patina.
Stainless steel

Stainless steel

304L stainless steel resists corrosion. Finishes: natural, brushed, mirror polished and perforated. Clean with water and mild soap.
Quick selection: powder-coated aluminium for coloured facades, galvanized steel for robustness and roofing, stainless steel for hygiene or a premium finish.

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