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Hot Dipped Prepainted Galvalume Steel Coil for Steel With Good Mechanical Property

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Hot Dipped Prepainted Galvalume Steel Coil for Steel With Good Mechanical Property

Country/Region china
City & Province dongguan guangdong
Categories Solid Surfaces

Product Details

Hot Dipped Prepainted Galvalume Steel Coil for Steel With Good Mechanical Property

 


Description:

 

In the continuous processing machine, cold rolled steel sheet and zinc galvanized steel sheet served as basal plate, one layer or several layers of liquid paint are painted onto the basal plate after surface pretreatment. Steel sheet is changed into coated steel sheet after baking and cooling. As the layer bears different colors, thus coated steel sheet is also known as color coated steel sheet. Besides, because painting is preceded prior to the formation processing, coated steel sheet is also called as pre-coated steel sheet. .In this processing ,traditionally adopted spraying is replaced by continuous painting, which is conducive to surface treatment ,quality control of coating layer and avoid defects in edges. 

 

 

Specification:

 

Standard

JIS,EN,ASTM

Grade

SGCC(DX51D+Z)

Thickness

0.25-1.2mm

Width

914-1250mm

Length

As coils or sheets as your requirement

Color

According to your color sample or RAL color code

AZ coating

50-150g/m2

Painting thickness

25 microns on top side/5-7microns on back side

Coil ID

508mm

Coil weight

Generally 4-10MT,according to your requirment

 

 

Mechanical Properties:

 

1. Mechanical properties of base metals

 

Grade

Tensile Test

Yield Strength

MPa

Tensile Strength

MPa

Elongation A80mm % ≥

DC51D+AZ

280-325

320-500

22

DC52D+AZ

240-300

270-420

26

DC53D+AZ 

140-260

270-380 

30

 

2. Common performance of front coating

 (1). Thickness: ≥20μm

(2). Pencil Hardness: 2H

(3). 60° specular glossiness of coating: >60

(4). 180°bend: ≤3T

(5). Impact: ≥9J

(6). Salt Fog Resistant: ≥500h

(7). Color difference: <0.8ΔE

 

 

Application of Pre-Painted Galvalume Steel Coil


1.Application of color coated steel sheet: Outdoor: roof, roof structure, surface sheet of balcony, frame of window, door, door of garage, roller shutter door, booth, Persian blinds, cabana, refrigerated wagon and so on. Indoor: door, isolater, frame of door, light steel structure of house, sliding door, folding screen, ceiling, internal decoration of toilet and elevator.
2.Refrigerator, refrigerated wagon, washing machine, electric baker, automatic selling machine, air conditioner, copying machine, cabinet, electric fan, vacuum sweeper and so on.
3.Application in transportation
Ceiling of automobile, board , internal decoration board, external shelf of automobile, carriage board, car ,instrument panel, shelf of operating platform, trolley bus, ceiling of railway, color isolator of ship, furniture of ship, floor, cargo container and so on.
4.Application in furniture and sheet metal processing
Electric warming oven, shelf of water heater, counter, shelves, chest of drawers ,chair, archive cabinet, book shelves.

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