SPARTAN RELIEF
SUPPLIES LIMITED

Corrugated galvanised iron (CGI) sheets

Description

Used for general roofing purposes

Specifications

Steel (base) Mild steel for cold forming
Cold rolled steel sheet
Cold forming
Grade DX 51 D+Z
SGCC
CS
Yield strength 220 MPa (N/mm2)
Tensile strength 300 MPa (N/mm2)
Hardness 85 HRB
Galvanization method Hot-dip continuous
Protective coating Zinc
Zinc coating thickness 20µm/side à 275 g/m2 à Z275 (ASTM A653 or EN 10346)
17µm/side à 240g/m2
Thickness 0.551 mm (26 gauge) for permanent shelters
0.475 mm (28 gauge) can be used for shelters when wind speed is lower than 250 km/h in a region not subjected to snow.
0.4 mm (30 gauge) can be used for shelters when wind speed is lower than 200 km/h in a region not subjected to snow.
Length (imperial system) 6ft (1.83 m), 8ft (2.44 m), 10ft (3.05 m)
Length (metric system) 2.00 m, 2.50 m, 3.00 m
Width after corrugation 914 mm (36 in)
Number of corrugations 12 corrugations
Corrugation depth 18 mm
Corrugation pitch 76.2 mm
Weight (kg/m2) 4.322 kg/m2

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