Trading

06 · Architectural Metals

Weathering steel, brass and bronze

Imperial values are converted from metric; section and sheet designations stay metric.

Units
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06

Architectural Metals

Weathering steel, brass, bronze, copper and titanium-zinc for façades, roofs, screens and interiors.

WEATHERING STEELNATURAL COPPERPATINATED COPPERBRASSBRONZETITANIUM-ZINC
Architectural metal colour swatches
Architectural Metals
MetalGrade / standardFormsBehaviour & fabricator notes
AM-WS — S355J2W · S355J2WP thin sheet (EN 10025-5)Plate, sheet, laser-cut, perforatedPatina forms in wet/dry cycles. Detail drips so run-off does not stain paving.
AM-WS — Weathering steel (US)A588 Gr.A ≈ J2W · A242 Type 1 ≈ J2WP · A606-4Plate, sheet, coilSame behaviour; order to the project standard.
AM-BR — BrassCuZn37 CW508L · C27200Sheet, strip, bar, tubeLacquer to hold the colour or allow to darken.
AM-BR — Cartridge brassCuZn30 CW505L · C26000Sheet, stripBetter cold forming for deep folds and spinning.
AM-BR — Architectural bronzeC38500 (≈ CuZn39Pb3)Extrusions, barHandrails, trims, door furniture, profiles.
Weathering
J2W plate to 50 mm · J2WP sheet ≈2–8 mmJ2W plate to 1.97 in · J2WP sheet ≈0.079–0.315 in
Brass & bronze
0.5–3.0 mm sheet0.020–0.118 in sheet
SPECIFY ASAM-WS · S355J2WP · 3 × 1500 × 3000 mm · EN 10025-5 · laser-cut to drawing · EN 10204 3.1 · 60 sheets

Last reviewed 2026-09-26 by the Mulk Trading technical team

Standards referenced: EN 10025-5, EN 10204

Specifications and ranges are indicative; the quotation, order confirmation and mill certificate are binding.

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