Galvalume Steel is a product very similar to Galvanized Steel but with better corrosion resistance (up to three times the life of Galvanized Steel). Its superior properties arise from the unique composition (Zn 43.5% : Si 1.5% : Al 55%) of its metallic coating. Applications include roofing, base material for pre-painting and other construction related usage. Available in plain or pre-painted sheets or coils.
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) |