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METAL GUIDE

Galvanized Steel — grades, sizes and uses

GI means galvanized iron or steel in the local trade. Select the base grade, zinc coating and form as well as thickness and width. Galvanized steel is separate from gray cast iron, even where abbreviations look similar.

Sheets & plates

GI Sheet (plain)

IS 277 GP (Z120) · IS 277 · Rust-resistant

Ducts, roofing flashing, enclosures.

Catalogue sizes: Thickness 0.35–2 mm · 2500 × 1250, 2440 × 1220 mm

Also called: gi sheet, galvanised sheet, galvanized sheet, gp sheet, plain gi

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Pipes & tubes

GI Pipe

IS 1239 Part 1 · IS 1239

Water supply, fencing posts.

Catalogue sizes: 15 NB (½") to 150 NB (6") · Medium / Heavy

Also called: gi pipe, galvanised pipe, galvanized pipe, water pipe

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Wire & rebar

GI Wire

IS 280

Fencing, tying, earthing.

Catalogue sizes: Diameter 2–4 mm

Also called: gi wire, galvanised wire, galvanized wire, fencing wire

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Ordering tips

Know the grade, the size and how many pieces or kilograms you need. Weights shown on Metal2Order are theoretical; the final charge uses the weighbridge weight.

Metal ordering checklist →Local metal trade terms →Pipe and tube sizes explained →