Chinese Hot-dip Zinc Coating Steel Building Roof Walls

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
56 m.t.
Supply Capability:
22222 m.t./month

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1.Structure of Hot-Dip Galvanized Steel Sheet Description

Hot-dip galvanized steel coils 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. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet

• Excellent process capability

• Smooth and flat surface

• Workability, durability 

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

 

 

4.Hot-Dip Galvanized Steel Sheet Specification

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Processability

Yield strength

Tensile strength

Elongation %

180°cold-bending

Common PV

-

270-500

-

d=0,intact,no zinc removal

Mechanical interlocking JY

-

270-500

-

d=0,intact,no zinc removal

Structure JG

>=240

>=370

>=18

d=0,intact,no zinc removal

Deep drawn SC

-

270-380

>=30

d=0,intact,no zinc removal

EDDQ SC

-

270-380

>=30

d=0,intact,no zinc removal

 

 

 

5.FAQ of Hot-Dip Galvanized Steel Sheet 

We have organized several common questions for our clientsmay help you sincerely: 

1.How about your company

A world class manufacturer & supplier of castings forging in carbon steel and alloy steelis one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

 

 

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Q:Is the coil strip? Is hot rolled coil and hot rolled strip the same?
Is not the same, although both are in the shape of a roll, they generally written specifications (thickness * width *C, length C said, due to the general roll up so C said, if it is a rectangular steel will have length) for example we see Ruifeng strip 2.5*315*C, 11.5*1500*C 315 and Wuhan Iron and steel coil. 1500 that the width of 315mm and 1500mm
Q:What is the cause of the deviation of the strip in the rolling process? How to deal with it?
Strip edge control device, fault, deviation device, tube or mirror surface pollution or other objects covered, so that the deviation of the device failure, resulting in the first line of deviation
Q:Why is strip heat cheap?
The strip is a narrow strip of steel that can be used in a refinery, or not. This is the answer you need
Q:What's the reason for the strip after pickling?
I suggest you try phosphoric acid and BW-500P phosphoric acid fast acid cleaning lotion, pickling process. Without heating, rust will soon. And renewable recycling. The cost is much lower than that of hydrochloric acid.
Q:What gas does the shear of the strip weld require for the welder?
Welding equipment includes welding machine and welding auxiliary mechanical equipment. According to the way of welding, it can be divided into two kinds of flash welding and welding.
Q:What's the meaning of "double light" in strip cold rolling?
Cold: cold rolled steel is cold-rolled steel production. Cold rolling at room temperature under the conditions of No.1 steel plate further rolling thin thickness steel plate. Compared with hot-rolled steel, cold-rolled steel plate thickness is more accurate, and the surface is smooth and beautiful, but also has superior mechanical properties, especially the processing performance because of cold rolled. The volume relatively brittle and hard, not suitable for processing, so typically cold rolled steel demand after annealing, pickling and smooth surface will be delivered to customers. The maximum thickness of cold rolling is below 0.1--8.0MM, most of the factories such as cold rolled steel plate thickness is below 4.5MM; minimum thickness, width is according to the plant equipment capacity and market demand and decision.
Q:Can cold rolled strip be plated with white zinc?
Sure。 Electroplating cold rolled plate surface is gray rust, after plating the cold rolling plate smoothness is higher than that of hot rolled plate.
Q:The relation between hot rolled strip and cold rolled coil, hot rolled strip and cold rolled strip
The hot rolled coil is made of slab (mainly continuous billet), and is made of roughing mill and finishing mill after heating. The hot strip from the last mill at the end of the finishing mill is cooled by laminar flow to the set temperature. The coiler is rolled into a coil and the cooled strip is rolled.
Q:What is the difference between strip steel and silicon steel?
Strip steel is a kind of narrow and long steel plate produced by various rolling mills to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. Strip steel, also known as steel strip, is within 1300mm in width, and the length varies slightly according to the size of each roll. The strip is supplied in general, and has the advantages of high dimensional accuracy, good surface quality, easy processing and material saving. Same as steel plate, strip steel is divided into two kinds of ordinary strip steel and high quality strip steel according to the material used, and two kinds of hot-rolled strip steel and cold rolled strip steel according to processing method.
Q:What are the sectors in which galvanized steel strips can be used?
Steel sheet galvanized steel strip is a kind of narrow and long steel plate produced by various steel rolling mills in order to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. Strip steel, also called steel belt, is slightly different in length according to the size of each roll. The strip is supplied in general, and has the advantages of high dimensional accuracy, good surface quality, easy processing and material saving.

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