Hot-dipped-Galvanized-steel-coilsHot dip galvalume steel coil, is produced through applying Al-Zn coat on both surfaces of cold rolled steel coil by hot dip process. The composition of its coating is Al 55%, Si 1.5%, and Zn 43.5%. Galvalume steel coil has both the physical protective feature and durability of Al and the electrochemical protective property of Zn.

Product Specifications:

  1. Standard: JIS G3302, EN10142, ASTM A653, ASTM95
  2. Grade: SGCC, SGCH, DX51D, DX52D+Z
  3. Thickness: 0.13-1.5mm
  4. Width: 600-1250mm
  5. Package weight: 3-5 tons
  6. Tolerance: thickness +/-0.01mm, width +/-0.2mm
  7. Surface: Chromated/ unchromated passivation, skin passed or non-skin passed, oiled or un oiled
  8. Zinc coating thickness: Z60-Z275
  9. Annual output: 500, 000 MT

Technical data :

Q/BQB 425-2004 AS 1397-2001 EN 10215-1995 ASTM A792M-02 JIS G 3321:1998 ISO 9364-2001
DC51D+AZ G2+AZ DX51D+AZ CS type B、type C SGLCC 01
S250GD+AZ G250+AZ S250GD+AZ 255 250
S300GD+AZ G300+AZ
S350GD+AZ G350+AZ S350GD+AZ 345 Class1 SGLC490 350
S550GD+AZ G550+AZ S550GD+AZ 550 SGLC570 550

Process and Facility:

Packing & Delivery

4 eye bands and 3 circumferential bands in steel, galvanized metal fluted rings on inner and outer edges, galvanized metal or waterproof paper wall protection disk, galvanized metal & waterproof paper around circumference.