SGLD Galvanized Steel Sheets Plates

Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of sgld galvanized steel sheets plates in China. If you're going to wholesale high quality sgld galvanized steel sheets plates made in China, welcome to get free sample from our factory. Good service and reasonable price are available.

Galvalume-coated steel sheet (SGLD): It is a multi-phase alloy material containing rich aluminum and rich zinc. Because of the characteristics of aluminum and zinc, it has better performance than hot-dip galvanized steel sheet (SGCC). Main features: Corrosion resistance, its ability is much higher than SGCC; Heat resistance; Heat conduction and heat reflectivity; Formability; Weldability. Usage: Used in places that require good reflectivity, such as reflective plates inside ovens. Reflector plate for electric cooker. Hot-dip galvanized steel sheet (SGCC) is for general use, galvanized steel sheet (SGLD) is for deep drawing, and SGCE is for ultra-deep drawing.

Quality inspection standards
The quality requirements for high-quality galvanized sheets include specifications, dimensions, surface, galvanizing amount, chemical composition, plate shape, machine function and packaging.
1. Package
It is divided into two types: galvanized sheet cut into fixed lengths and galvanized sheet packaging in coils. It is generally packed in iron sheets, lined with moisture-proof paper, and tied with an iron waist on the outside. The fastening is firm to prevent the galvanized sheets inside from rubbing against each other.
2. Standard sizes
Relevant product standards (as described below) all list the recommended standard thickness, length and width of galvanized sheets and their allowable defects. In addition, the width and length of the board and the width of the roll can also be determined according to user requirements.
3. surface
Surface conditions: Due to different treatment methods in the coating process, the surface conditions of galvanized sheets are also different, such as ordinary zinc flowers, fine zinc flowers, flat zinc flowers, no zinc flowers, and phosphating treated surfaces. Galvanized sheets and galvanized coils cut to a fixed length must not have shortcomings that affect their use, but coiled sheets are allowed to have less deformed parts such as welding parts.
4. Galvanizing amount
Galvanizing quantity scale value: Measuring the galvanizing quantity is a widely adopted method to determine the zinc layer thickness of galvanized sheets. There are two types: the same amount of galvanizing on both sides (i.e. equal thickness galvanizing) and the unequal amount of galvanizing on both sides (i.e. differential thickness galvanizing). The unit of galvanizing amount is g/m².

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