Hot Dip Galvanized Steel Strips

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Hot Dipped Galvanized Steel Strips

Hot-dip galvanized steel strips are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications.

Product Description Of Hot Dipped Galvanized Steel Strips

Thickness

0.18mm-3mm

Width

less than 600mm

Zinc Coating

30-200g/m2

Internal Diameter

508mm/610mm

Coil Weight

less than 3MT

Quality

commercial and structural quality

Surface Treatment

regular & minimum spangle, zero spangle, oiled & dry, chromated , non-skin pass , skin pass

Standard

JIS G 3302, ASTM A 653M, EN 10327

Steel Grade

SGCC, CS, FS, SS, LFQ, DX51D+Z , S280GD

Technical Data Of Hot Dipped Galvanized Steel Strips

Chemical Composition

C

Si

Mn

P

S

0.04-0.06%

0.01-0.03%

0.18-0.22%

0.014-0.016%

0.006%-0.009%

Yield Strength

(Mpa) 280-320

Tensile Strength

(Mpa) 340-390

Elongation

20%-30%

Out-of-square

not exceed 1% Flatness

Bow

15mmmax

Edge Wave

9mmmax

Centre Buckle

8mmmax

Bending At 180 Degree

No crack, purling and fraction

Application Of Hot Dipped Galvanized Steel Strips

It can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making roofing tile, steel profiles for wall partition, T-bar, studs, fireproof door, air conditioning duct and home appliance.

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Q:What is the hardness of cold rolled steel strip?
The thickness of cold rolled strip and sheet is 0.1 ~ 3mm, and the width is from 100 to 2000mm. The products are made of hot rolled strip or steel plate and rolled in cold rolling mill at room temperature.
Q:What are the categories of strip steel? How do you distinguish it?
Steel is iron, carbon as the main component of the alloy, its carbon content is generally less than 2.11%. Steel is one of the most important metal materials in economic construction.
Q:How to drill through galvanized steel strip quality piercing eye
To distinguish the quality of galvanized strip is mainly from the aspects of surface finish / coating thickness / coating thickness difference / coating adhesion / salt fog test time and so on. GB 4175.2-1984 armored cables, galvanized steel strip, /GB-T 15392-1994, width less than 700mm, continuous hot-dip galvanized steel strip, etc., as you requested.
Q:Can the tension leveller eliminate the wave shape of strip steel completely?
Reflecting the shape of the board, the wave height is reduced or the wavelength is lengthened. That is, the tension straightener can only reduce the wave and improve the shape of the plate, but can not fundamentally eliminate the wave, and get an ideal smooth strip steel. There is an old saying called "correction must be positive". That is to completely eliminate the wave must be of short fiber than long fiber tension and bending is greater, elastic and plastic deformation of the original long fiber length is greater than a certain amount, resulting in the removal of external force, elastic recovery, length of fiber length, so as to obtain the shape completely flat the. However, in the current conditions of the straightening machine equipment, do not have such a function.
Q:Is there any difference between galvanized steel strip and galvanized sheet?
Galvanized steel strip, in narrow sense, refers to strips of steel.
Q:Reasons for black side of hot strip galvanizing
The content of zinc chloride in plating bath is too low, which leads to some parts can not be plated and lead to local blackening.
Q:What's the difference between hot rolled strip and cold rolled strip? What's the difference between hot rolled coil and cold rolled coil?
Hot rolled coil is above the recrystallization temperature of rolling, cold-rolled plate refers to the recrystallization temperature following rolling, popular point that is in the hot strip rolling red hot state, while cold rolled hot-rolled is under normal temperature rolling. Hot plate often said refers to the hot rolled plate, cold plate refers to the cold rolled plate, hot rolled, cold rolled and hot rolled coil is said and cold rolled coil.
Q:Is the strip steel strip?
The steel can be divided into sheet, strip, wire, profiles, tubes and other categories, collectively refers to the strip steel sheet and strip, it only refers to the shape and thickness, classification, processing methods (hot rolled) is Never mind, the difference is that the material delivery requirement is size length * width * thickness. The strip, the strip is measured for delivery size thickness * width * L (where L is not required to provide, usually coiled strip) delivery.
Q:What is cold rolled strip and hot rolled strip? Why is it called strip steel?
Hot rolled steel strip in the processing of molding, the raw material is in high temperature, that is, after heating rolling forming, so called hot rolled steel strip, in contrast, have better toughness, soft and easy bending deformation.
Q:Pickling process of cold rolled strip
In addition to the task of removing the iron oxide scale on the strip surface, the continuous pickling line still has several functions:(1) trim the side of the strip with a disc shear.(2) regulating the quality of rolled steel, according to the production requirements of large volume of hot-rolled steel will be divided into small volumes, or several small steel coils merging into a large, in order to improve the production of cold rolling mill.(3) check and eliminate the harmful surface defects of strip steel after each process.(4) apply a layer of oil on the surface of the pickled steel strip, which can prevent rust and lubricate.

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