Prepainted galvalume steel coils RAL Color No.

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

colour coated steel

  painting colour steel , zinc coated steel , lead coated steel

Standard:

AISI,ASTM,BS,DIN,GB,JIS

Grade:

DX51D,SGCC,SPCC,CGCC

Thickness:

0.17-1.5mm

Place of Origin:

Taian China (Mainland)

Brand Name:

HengJi

Model Number:

HJ

Type:

Steel Coil

Technique:

Cold Rolled

Surface Treatment:

RAL color

cremated, oiled, skin passed

Application:

 

building metal roofing components,house appliance

Width:

914-1250mm

Length:

customized

price:

favorable price

 

 

Packaging & Delivery

Packaging Detail:

standard export packing or customized

Delivery Detail:

15 days after prepayment

 

Specifications:

galvanized steel coil:
1.Thickness:0.17mm-1.5mm
2.Zinc coated:40g-275g/2
3.Standard:dx51d+z,sgcc

 

We manufacture Galvanized Steel Coils,Pre-painted Galvanized Steel Coils , etc

 

Prepainted steel coil features:

1. Zinc coating :40-120g(as reauired)

2. thickness:0.17-1.2mm
3. width:914-1250mm(900mm,1215mm,1250mm,1000mm the most common)

4. coil id:508m610mm

5. coil weight: 3-12(as required)

6. surface treatment:RAL color

Galvanized steel coil features:

 

1. Zinc coating :40-275g( as required)

 

2. thickness:0.17-1.2mm
3. width:914-1250mm(900mm,1215mm,1250mm,1000mm the most common)

 

4. coil id:508m610mm

 

5. coil weight: 3-12(as required)

 

6. surface treatment: cremated, oiled, skin passed

7. Spangle: regular,small, zero

 

8.Application: With excellent cold bending molded manufacturablity, good decoration effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as final products and basic plates of color coated steel coils and widely applied in construction, home appliances, decoration, ect.

 

Product name

steel coil,galvanized steel,galvanized steel coil

 Material

DX51D, SGCC, SPCC, CGCC, DX51D

 Normal thickness

0.17-1.2mm

 Normal width

 900mm,914mm, 1000mm, 1200mm, 1220mm, 1250mm

 Coil weight

3-12ns

 Certificate

BV & SGS

 Original

 Shandong,China

 Payment terms

 L/C or T/T

 Delivery time

 within 15 ~ 25 days after 30% prepayment

 

 

 

 

 

 

 

 

 

 

 

 

 

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Q:What are the characteristics of cold rolled strip technology?
Cold rolled blank because the surface covered with oxide film and a small amount of impurities, will directly affect the precision of rolling and the quality of the product, so the blank material must first sent to the shallow groove company push-pull continuous pickling, pickling of oxide film and annealing to remove impurities, can be sent to the high precision six roller reversible rolling mill made the required thickness. After rolling through forced circulation cover type bright annealing furnace and high precision leveling unit two Kun to soften and smooth surface, and then finished packing or according to customer demand straight points, finally packaging factory.
Q:What's the difference between cold rolled strip and cold rolled strip?
Cold rolled steel sheets are made from hot rolled sheets at normal temperatures. Although they are rolled during processing, they can also cause steel plates to heat up. Nevertheless, it is called cold rolling. Because of the cold rolling of continuous hot rolling, the mechanical properties are poor and the hardness is too high. It must be annealed to restore its mechanical properties. Rolled rolls are generally used to make products without bending or stretching.
Q:What is galvanized steel strip? What's the difference between galvanized strip and cold rolled strip?
The chemical and chemical reactions between the substrate and the molten bath of the hot galvanized steel pipe are complicated and the corrosion resistant structure is closely alloyed with zinc and iron alloy. The alloy layer is integrated with pure zinc layer and strip steel matrix. Therefore, it has strong corrosion resistance.
Q:Hot rolled strip, the theory of the thinnest, how thin rolling, why not rolling too thin, is the material or the reasons for plate shape?
Thinning is related to width. But after a certain width, the amount of thinning has little to do with the width. The theory of hot rolling can be rolled to 0.8mm, and in practice, the 1.2mm is virtually useless.
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's the difference between strip 235 and 235b?
235B only requires a temperature environment of 20 degrees C; this is because of their chemical composition of sulfur, S, phosphorus, P content indicators caused by different.The 235 is 235A, 235 in the material according to the sulfur phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion.
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 about the strip scraping in the annealing furnace?
Thus forming an air knife scratch. This kind of defect causes the product to be wasted because the coating is scratched. Proper control of strip tension in productionForce and adjust the nozzle distance, can avoid this kind of defect happen.
Q:Causes of zinc removal in hot rolled strip
The Al content in the alloy layer is little, and the Fe2Al5 alloy layer which is decisive to the adhesion of the zinc layer is not generated, or the alloy layer is damaged by the excessive growth of the iron zinc alloy layer.
Q:Reasons for black side of hot strip galvanizing
Luoyang Taihong hot galvanizing factory to tell you the reason, the emergence of the black side of reason is generally divided into: contains too much iron impurities of galvanized steel strip into the liquid, thus causing blackening; resulting in the high current hot galvanized steel blackening;

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