G550 Aluzinc Galvalume Steel Coil

PRODUCT DESCRIPTION

G550 Aluzinc Galvalume Steel Coil belongs to light steel material.
The coating of light steel structure is divided into two types: hot-dip galvanizing and galvanizing:
Hot-dip galvanizing: the composition depends on the standard value. Light steel structure villas generally use 275 grams and 300 grams of iron. The standard value is the composition of one square meter of zinc. The higher the composition, the thicker the zinc layer.
State change of hot-dip galvanizing: long-term exposure of hot-dip galvanizing will react with oxygen in the air, and the surface will turn black.
Aluminum-zinc plating: commonly known as AZ150, aluminum-zinc plating is 2-6 times more corrosion-resistant than hot-dip galvanizing, and there is no color change on the long-term exposed surface of the aluminum-zinc-coated main keel. Form an aluminum protective film to separate the external compound from the main keel, protect the main keel as the main material, and prevent corrosion. The common physical properties and main physical parameters of G550 galvanized coating are as follows:
Name Yield Strength Elastic Die Density Linear Expansion Coefficient
G550 550Mpa 2.06X105 N/mm 2 7.85g/cm 3 1.2×10-5℃
The corrosion resistance of "aluminized zinc coil steel" comes from the barrier protective effect of aluminum and the abandonment protective effect of zinc. When zinc gives up protection in trimming, scratches and scratches of the coating, aluminum will produce an insoluble metal oxide layer, giving full play to the role of natural barrier protection. Galvalume-coated Carbon Steel Coils have been subjected to more than 20 years of outdoor exposure experiments in various environments, and it has been confirmed that the edge protection effect of Galvanized Steel plates is much better than that of hot-dip galvanized Steel Plates.
Hot-dip Galvanized Steel Sheet is a pre-coated Steel Sheet obtained by hot-dip a layer of Al-Zn coating on both sides of cold-rolled steel sheet with various strengths and thickness specifications. The mass percentage of the coating composition is about 55% %Al (aluminum), 43.5% Zn (zinc), 1.5% Si (silicon), combining the physical protection and high performance of Al and the photoelectric catalytic protection characteristics of Zn, the raw materials have the compressive strength and Plastic deformation, and the corrosion resistance of the coating, it can protect the inside of the metal substrate from corrosion, in addition, the surface has a bright dark gray vertical pattern with high decorative art, and has embossed. G550 AZ150 features detailed introduction:
1. Temperature resistance:
The temperature resistance of galvanized aluminum alloy Steel Plate is better than that of hot-dip Galvanized Steel Plate, and it is resistant to high temperature reduction. Galvalume can be used in high temperature environments up to 315 degrees.
2. Reflection:
Galvalume has a high transmittance, which makes it a heat-resistant barrier; the thermal transmittance of galvanized is almost twice that of hot-dip galvanized, so under normal circumstances, it can be used as the main project of the house To the actual effect of environmental protection and energy saving.

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