Knowledge

The content covers selection principles, rust-proof paper selection, VCI packaging and transportation methods, sealed packaging operation procedures,

The key points are: selection of lifting equipment, protection of contact surfaces, protection of inner core, standardized operation, and damage repai

The biggest challenge in long-distance transportation of galvanized coils is the drastic changes in the environment, especially humidity and temperatu

After galvanized coils are uncoiled, the original intact packaging is damaged, and the fresh zinc layer and cut edges are directly exposed to the air,

Galvanized coils will oxidize if stored for a long time, especially under poor management. This will mainly manifest as white spots, patches, or even

When galvanized coils get damp and rust, the most common type is "white rust," which is zinc oxide powder. In most cases, only the zinc layer is damag

1.What is Q235 steel? A: Q235 is a common carbon structural steel (mild steel) in China, defined by GB/T 700-2006. "Q" = yield strength; &qu

Regarding whether galvanized coils should not be mixed, the answer is yes, galvanized coils of different materials should not be mixed together. This

Whether it is prohibited, why, which specific materials cannot be mixed, and how to safely store and distinguish them.

The document focuses on explaining the meaning of grade codes, key mechanical performance indicators, how to select grades based on processing require

The gap between imported and domestically produced galvanized coils is mainly reflected in the high-end product sector. Although the import dependence

The relationship between futures and spot prices, the futures situation of specific commodities (such as hot-dip galvanized and electro-galvanized), h