| Standard: | ASTM |
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| Certification: | ISO, RoHS, IBR |
| Surface Treatment: | Coated |
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1.INTRODUCTION
T1 Aluminized Steel is a new type product which is widely used recent years. It contains 90% aluminium and 10% silicon. Also, it has good heat resistance, heat reflection and corrosion resistance, and its mechanical and physical properties are better than cold-rolled steel sheet. Because of its superior performance, aluminized steel sheet has been widely used in our daily necessities. For example, automobile mufflers, household appliances, etc.
| Product Name | ASTM A463 DX53D/DX54D AS80/AS120 Aluminized Steel Tube/Pibe for exhaust muffler silencer |
| Material | DX51D/52D/53D |
| Aluminized Coating | AS80-AS240 |
| Standard | ASTM A463 |
| Coil Diameter | 508mm&610mm |
| Coil Weight | 3-8 Tons |
| Packing | Standard Seaworthy Package |
Product Characteristics
A. High temperature resistance: Because of the special combination of steel plate substrate and coating structure, an iron-aluminum alloy is formed, which makes the aluminized plate have excellent high temperature resistance. High reflectivity can be guaranteed at 450 C. When the temperature is higher than 480 C, the appearance of the coating is grey. The protective layer against oxidation of steel sheet is still well preserved at 650 C without any falling off.
B. Heat Reflectivity: At 480 degrees Celsius, the aluminized sheet can reflect 80% of the heat input. Therefore, the aluminized sheet can be used as an efficient heat insulation barrier or a heat reflector in high temperature applications, which can rapidly increase the temperature in the furnace by effective heat reflection.
C. Mechanical Strength: At room temperature, the mechanical strength of aluminized sheet is the same as that of its base material. At the same temperature of 480 C, the strength of aluminized steel sheet is 10 times than that of aluminium sheet, so the thickness of steel sheet can be reduced by at least 30%.
D. Corrosion resistance: During hot dipping, molten aluminium reacts immediately with oxygen in the air to form an Al2O3 protective layer, which passivates the surface of steel plate immediately. The protective layer is very stable and insoluble in water. Even if the surface of the steel plate is scratched later, the protective layer has self-healing function. Therefore, the aluminized sheet has very strong corrosion resistance to chemical corrosion.
E. Ecological characteristics: Aluminum-Coated-Silicon Steel Sheet without chemical passivation has no effect on health, so it can be used in food processing. Testing reports from many professional groups confirm that it is environmentally friendly. Aluminum plated sheet can be recycled completely. Aluminum plated sheet can be comparable to stainless steel, but the price is only about one third of that of stainless steel. It is widely used in automobiles, motorcycle mufflers, exhaust pipes and fuel tanks. 2. Burning furnace, heat exchanger, dryer, air conditioner, etc. 3. Household water heaters, gas stoves, breadboxes, chimneys, microwave ovens, food processing machinery, electric ovens, cooking utensils. It can also be used for building covers, walls, roofs and other insulation components.
F. Others: Standard MAG and TIG welding can be used. It can be used for drawing, stamping, drawing and other forming processes. Coatings have durable gloss, better corrosion resistance and weathering resistance.
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