A656 steel coil is made of a high-strength low-alloy steel commonly used in structural applications where light weight and good formability are essential. A656 steel coils are manufactured in grades of 50, 60, 70 and 80 to meet the specified yield point.

A709 steel coil is high-strength alloy steel coil that is widely used in construction, bridges, ships, automobiles and other fields. The chemical composition of A709 steel coil mainly includes carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel and other elements. The carbon content is relatively high, generally between 0.22%-0.29%.

The equivalent material of GB/T700 Q275 carbon steel and low alloy steel coil is S275JR steel coil. S275JR steel coil is a general-purpose carbon structural steel. It is also a carbon structural steel and low alloy structural steel used in engineering steel and structural steel, which is usually not heat treated.

A285 pressure vessel steel coil is made of a common carbon steel used for fusion welding of pressure vessel equipment such as boilers, storage tanks, heat exchangers, etc..

A516 vessel steel coil is made of a high-quality boiler and pressure vessel steel that is very suitable for low to medium temperature applications.

The material of DX52D galvanized coil is a non-ferrous alloy composed of zinc as the matrix. The main alloying elements are aluminum, copper, magnesium and so on. Zinc alloy has low melting point, good fluidity, easy plastic processing and welding, and resistance to atmospheric corrosion.

DX53D galvanized coil is a commonly used construction steel with a wide range of material properties and applications, excellent corrosion resistance and good processing performance. In the construction industry, this material is widely used in roofs, walls, floors and other parts that need to resist atmospheric corrosion.

The Z275 galvanized steel coil is kind of a double-sided galvanized carbon steel. This is produced by a metal coating process that passes cold rolled coils through a bath filled with molten zinc.

Z120 is the coating name, which means that the coating thickness on both sides is approximately 120g/㎡ or 36g/㎡ (three-point test). Z120 grade galvanized coil is coated with zinc to make it more durable.

Galvanized steel coils are covered with a zinc coating to provide corrosion resistance. G40 galvanized steel coil is a galvanized layer name or A653 standard specification specified in the hot-dip coating process galvanized or zinc-iron alloy steel coil requirements.

G60 is the coating grade of steel coil after continuous hot dip plating process. G represents the "galvanized" or galvanized layer of the product. The number 60 refers to the weight of the zinc around the steel coil or the thickness of the entire double-sided coating.

DX51D material is a mild steel galvanized layer for steel products. Specifically, DX51D is a steel grade characterized by its cold-formed bending and profiling qualities.

G90 refers to the coating type and coating weight on the steel coil. "G" means that the coating is galvanized. Meanwhile, the number "90" represents the weight of zinc on the steel. G90 galvanized steel is hot-dip galvanized cold-rolled steel to improve durability.

Hot-dip galvanizing is one of the effective means to delay the environmental corrosion of iron and steel materials, it is the surface of the cleaned, activated iron and steel products immersed in molten zinc, through the reaction and diffusion between iron and zinc, in the iron and steel products surface plating good adhesion of zinc alloy coating.

AZ stands for aluminum-zinc alloy, which is the material of the steel coating. AZ50 refers to the total weight of both sides of the aluminum-zinc alloy coating in the three-point test in ASTM a972 standard is 0.50 ounces/square foot, which is equivalent to 150 grams/square meter.