Hot 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:
- Standard: JIS G3302, EN10142, ASTM A653, ASTM95
- Grade: SGCC, SGCH, DX51D, DX52D+Z
- Thickness: 0.13-1.5mm
- Width: 600-1250mm
- Package weight: 3-5 tons
- Tolerance: thickness +/-0.01mm, width +/-0.2mm
- Surface: Chromated/ unchromated passivation, skin passed or non-skin passed, oiled or un oiled
- Zinc coating thickness: Z60-Z275
- 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 |
| DC52D+AZ | G3+AZ | DX52D+AZ | DS | SGLCD | 02 |
| 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:
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- Good quality raw material
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- Tension machine
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- Annealing fumace
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- Galvanized from zinc port
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- Cooling tower
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- Temper mill
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- Production line
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- Coiling
Packing & Delivery
Packing
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.
Shipment
