Aluminized steel comes in two types, Type 1 and Type 2.
Aluminized steel Type 1 is hot-dip coated with a thin layer of aluminium-silicon alloy, with 5% to 11% added silicon to promote better adherence. It is primarily intended for heat-resisting applications and also for uses where corrosion resistance and heat are required. This type of steel finds its main applications in industrial equipment and commercial products.
Characteristics of Aluminized Steel
• The effective control of the solidification and crystallization process of the molten aluminum layer enables it to form a beautiful surface
• Even surface and outstanding corrosion resistance due to the sacrificing effect of aluminum
• Outstanding corrosion resistance / heat resistance, paintability
Aluminized Steel ( Type 1 )
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Aluminized Steel (Type 1) |
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| Brand | GNEE STEEL | |
| Standard | JIS G3314 EN 10346 ASTM A463 GB/T 18592 | |
| Grades | Commercial Forming Deep Drawing High Strength | |
| Coating Weight | 80 g/m2 to 240 g/m2 | |
| Thickness | 0.3 mm to 3.0 mm | |
| Width | 600 mm to 1500 mm | |
| Post Treatment |
Chemical Treatment |
Oiling |
| Chrome Treatment Cr-Free Tlubrication Treatment No Treatment |
Oiled Non-Oiled |
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| Pre-Treatment For Painting | Vinyl Resin Paint Silicone Resin Painting Phenolic Resin paint Polyurethane Resin Paint Lacquer Non-Paint |
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| MOQ | No MOQ | |
| Coil Inner Diameter | 610 mm or 508 mm | |
| Delivery Status | Coil, Strip, Sheet, Tube (For Automobile Exhaust System) | |
Standard Comparison
| Classification | KS D3544 | JIS G3314 | ASTM A463 | DIN EN 10346 | GB/T 18592 |
| Commercial Quality | SA1C | SA1C | CQ | DX51D | DX51D |
| Drawing Quality | SA1D | SA1D | DQ | DX52D, 53D | DX52D, 53D |
| Extra / Deep Drawing Quality | SA1E | SA1E | DDQ-EDDQ | DX54D-DX56D | DX54D-DX56D |
Minimum Coating Weight (Double Side)
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Coating weight symbol |
KS D 3544 |
JIS G 3314 |
ASTM A 463 |
DIN EN 10346 |
GB/T 18592 |
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40 g/m² |
40 g/m² |
40 g/m² |
T1-13 (40 g/m²) |
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60 g/m² |
60 g/m² |
60 g/m² |
AS 060 |
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80 g/m² |
80 g/m² |
80 g/m² |
T1-25 (75 g/m²) |
AS 080 |
AS 80 |
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100 g/m² |
100 g/m² |
100 g/m² |
AS 100 |
AS 100 |
|
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120 g/m² |
一 |
120 g/m² |
T1-40 (120 g/m²) |
AS 120 |
AS 120 |
aluminized steel plate
Applications of Aluminized Steel Type 1
packaging of astm a463 aluminized steel
Types of Aluminized Steel
Aluminized" steel is hot dip-coated (like galvanized) on both sides, but the coating content is quite different. Unlike hot dip galvanized (HDG), which has a coating of 99+% zinc, an aluminized coating is 90+% aluminum. The exact aluminum % depends on the type, of which there are two:
Type 1
Type 1 aluminized steel is hot-dip coated in an aluminum-silicon alloy, giving the resulting sheet of metal high resistance to heat. Type 1 steel resists corrosion and warping even when exposed to extreme temperatures. Baking pans, water heaters, ovens and ranges, furnaces, and vehicle mufflers are commonly made with Type 1 aluminized steel.
Type 1, in addition to aluminum, contains between 5% to 11% silicon. This grade is used where heat resistance is required. Typical applications are dryer ducts, baking pans, ovens, ranges, grills, furnaces, heaters, fireplaces, and mufflers.
Type 2
Type 2 aluminized steel is hot-dip coated in pure aluminum. The process gives the metal superior protection for industrial applications like corrugated roofing and siding, grain bins, air-conditioner condenser housings, and even drying ovens.
Type 2 uses pure aluminum as its coating, and the coating is often thicker than that used in Type 1. End-uses include industrial cladding and jacketing over insulation, pipes that carry corrosive materials with steam or acids, storage tanks, grain bins, rooftop HVAC, corrugated roofing and siding, grain bins, drying ovens, and air-conditioner condenser housings. For any finished product that needs a thick, protective coating, Type 2 is the best option.
It has the strength and durability of steel (same steel substrate as galvanized) and the surface qualities of aluminum (corrosion resistance foremost among them). It is more economical than metals like stainless steel. Aluminized is also less likely to deform under heat than stainless. Aluminized standards are in ASTM A463.
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