Galvalume Steel nominally contains 55% aluminium, 43.5% zinc and 1.5% silicon alloys by weight. Applied by the traditional hot-dipping process, the product is ideal for applications that require superior corrosion resistance and heat reflectivity. The product’s shiny spangled appearance is attractive enough to be used without painting. It has better resistance towards oxidation and can withstand temperatures up to 315°C without dis-colouration. .
SN | Grade | Full Hard | Corrugated | Soft, Commercial & LFQ |
---|---|---|---|---|
1 | Specification & Grade | EN 10142(FEP02), EN10143, ASTM A 653 / ASTM A 924, CQ, LFQ, | ||
JIS G 3302 & Other Equivalent Specifications | ||||
2 | Width Range (mm) | 750 to 1320 mm | 750 to 1320 mm Width before Corrugation | 750 to 1250 mm (LFQ & Drawing Quality) |
3 | Thickness Range (mm) | 0.145 to 0.60 mm | 0.145 to 0.60 mm | 0.20 to 0.80 mm |
4 | Coil Diameter :- | |||
4.1 | Inner diameter | 508 mm & 610 mm | Not Applicable | 508 mm & 610 mm |
4.2 | Outer diameter | 1500 mm Max | -- | 1500 mm Max |
5 | Cut to Length | Up to 3600 mm | ||
Length : | ||||
6feet(1828.8mm), | ||||
7 feet(2133.6mm), | ||||
8 feet (2438.4mm), | ||||
9 feet (2743.2mm), | Up to 3600 mm | |||
10 feet (3048.0mm), | ||||
12 feet (3657.6mm), | ||||
14 feet (4267.2mm) | ||||
16 feet ( 4876.8 mm) | ||||
6 | Coil Weight | 3 to 12 MT | ------- | 3 to 12 MT |
7 | Packet Weight | -------- | For Sheets - 2 MT & above | For Sheets - 2 MT & above |
8 | Surface Treatment | Chromated & Dry with Regular / Minimized Spangles | Chromated & Dry with Regular / Minimized Spangles | Chromated & Dry or Slightly Oiled (as required) |
9 | Zinc Coating (Gms / m2) | 120 to 275 GSM (Gram per sq.mtr.) | 120 to 275 GSM (Gram per sq.mtr.) | 120 to 275 GSM (Gram per sq.mtr.) |
10 | Grades | Hard | Hard-Roofing | Soft-D,DD,LFQ & Skin passed |
11 | Winding | Controlled Staggered Winding (14 mm Max) | Controlled Staggered Winding (14 mm Max) | Controlled Staggered Winding (14 mm Max) |