Name: C-Purlin / C-Channel (Light Gauge GI / Aluzinc, Roof Framing)
Brand: ttkbuildingmaterials.com Product Index
Availability: InStock

WHAT IT IS

C-purlin (C-channel) in light-gauge GI or Aluzinc is a cold-formed steel secondary roof-framing member used to span between principal trusses and support roofing sheets or tile battens in Malaysian construction. Available in common sizes 38 × 76 mm (1.5 in × 3 in) and 50 × 100 mm (2 in × 4 in) at standard 6 m lengths; thickness ranges from 0.71 mm (Aluzinc economy) to 1.6 mm (structural GI). Base steel is typically G550 or G450 high-tensile with Z120 galvanised or AZ150 Aluzinc coating for corrosion resistance without painting. HS 7210701200 · import duty 15% · SST 0%. Lighter economy grades suit residential terrace roofs; heavier gauges serve industrial factory spans.

UNIT OF MEASURE

LENGTH (PRIMARY) KG M

Typical pack size: Standard length 6 m; common sizes 1.5 in × 3 in (38 × 76 mm) and 2 in × 4 in; thickness 0.71 mm (Aluzinc economy) to 1.0–1.6 mm (structural GI); supplied in bundles

GRADE & SPECIFICATION

Cold-formed C-section from galvanised (Z120 coating) or Aluzinc (Az150) high-tensile steel, typically G550 or G450 base metal. Used as roof purlins spanning between principal trusses and as secondary structural members. Site-fabricated connections using tek screws or bolts.

TARIFF & TAX — PDK 2025

HS CODE (AHTN) 7210701200 (MEDIUM CONFIDENCE)

OFFICIAL DESCRIPTION Painted after coating with zinc (PPGI — approximation; C-purlin may be plain Zincalume; verify exact code with RMCD)

IMPORT DUTY (MFN) 15%

SST 0%

Sourced from PDK 2025 (Customs Duties Order 2025). The import duty shown is the MFN / general rate — preferential rates under FTAs (ATIGA, ACFTA, etc.) are typically lower or zero. SST per the PDK 2025 schedule (a value like 10%/0% means standard/exempt variants). Indicative only — confirm the applicable rate and tax treatment with your licensed customs/tax agent before relying on it. Spotted an error? hello@ttkbuildingmaterials.com

QUICK REFERENCE

PRIMARY UOM

length

TYPICAL PACK SIZE

Standard length 6 m; common sizes 1.5 in × 3 in (38 × 76 mm) and 2 in × 4 in; thickness 0.71 mm (Aluzinc economy) to 1.0–1.6 mm (structural GI); supplied in bundles