Cold Rolled Steel Sheets Wholesale from China

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
1000 m.t./month

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Item specifice:

Grade: 1000 Series,3000 Series,4000 Series,5000 Series,6000 Series,7000 Series,2000 Series Surface Treatment: Coated,Embossed,Anodized,Polished,Mill Finish,Color Coated,Oxidized,Enameled Wire,Brushed,Printed,Composited,Holographic Impression,Sand Blasted,Powder Coating Shape: Angle,Square,T-Profile,Round,Flat,Rectangular,Oval,Hexagonal
Temper: T3-T8,O-H112,T351-T651,T351-T851,Soft,Half Hard,Hard Application: Liner & Wad,Decorations,Door & Window,Heat Sink,Transportation Tools,Glass Wall,Food,Kitchen Use,Pharmaceutical,Seal & Closure,Insulation Material,Label & Tag

Product Description:

Product Description:

Hot rolled coils/plates 
Type: steel coil and steel plates 
Material: SS400-Q235-Q345-SPHC 
Width:1250mm 1500mm 1800mm 2000mm

 

HOT-ROLLED COIL/PLATES(Material: SS400-Q235A/B-SPHC)

2.00*1250/1500L

3.50*1250/1500L

5.75*1250/1500L

11.50*1250/1500L

2.30*1250/1500L

3.75*1250/1500L

7.50*1250/1500L

11.75*1250/1500L

2.50*1250/1500L

4.50*1250/1500L

7.75*1250/1500L

13.50*1250/1500L

2.75*1250/1500L

4.75*1250/1500L

9.50*1250/1500L

3.00*1250/1500L

5.50*1250/1500L

9.75*1250/1500L

 

PATTERN-ROLLED COIL/PLATES(Material: Q235A-Q235B)

3.00*1250L

3.75*1250L

4.75*1250L

5.75*1250L

3.50*1250L

4.50*1250L

5.50*1250L

7.50*1250L

 

MIDDEL-PLATE(Material: Q235A/B-Q345A/B)

8*1800/2000L

16*1800/2000L

25*1800/2000L

45*1800/2000L

10*1800/2000L

18*1800/2000L

30*1800/2000L

50*1800/2000L

12*1800/2000L

20*1800/2000L

35*1800/2000L

14*1800/2000L

221800/2000L

401800/2000L

 

Name

galvanized steel coil dx52d z gi

Grade

GB/T-12754: 2006, JIS3302, EN 10142, ASTM A653, JIS G3302, 

SGCC/SGCH, GB/T2518, European Standard, ASTM A792, JIS G3321, JIS G3317

BASE PLATE

Cold rolled steel sheet, hot dipped zinc coated steel sheet

hot dipped A-Z coated steel sheet

EQUIPMENT

Double coating double baking; 

CAPACITY

5000Mt/week

SIZE

Thickness 0.18mm2mm, width 40mm1250mm

ZINC COATING

40g-275g /m2

PAINT THICKNESS

Top:20+-5um, back:5-7um 

COIL WGT

3Mt - 8Mt

COIL ID

φ508mm,φ610mm

BASE SHEET

Cold rolled steel sheet, hot dipped zinc coated steel sheet 

(small, regular or zero spangle), 

hot dipped A-Z coated steel sheet

SURFACE PAINT

EP, PE, HDP, SMP, PVDF

COLOR SERIES

 RAL color number series

Applications of cold rolled steel sheet coil :

1) Automotive bodies: filters, fuel tanks, etc.

2) Construction materials: roofings, welding pipes,

3) Electric and electronic appliances: computer cans, etc.

4) Steel cans: containers, etc.

5) Steel furniture: washing machines, refrigerators, microwaves, etc.

6) Drums

7) Office equipment: printer, recorders, etc.

8) Motors and transformers

 

 

Process of cold rolled steel sheet coil  :

Pay off reel-double cut shear-welder-notcher-entry accumulator-pre cleaning section-furnace-hot bridle-zinc pot-air knife-after cooler-water quench-dryer- skin pass mill-dryer-tension leveler-dryer-chemical coater-chemical oven-cooler-exit accumulator-oiler-exit shear-tension reel.

 

 

Features of cold rolled steel sheet coil  :

1) cold rolled steel coils prices is manufactured to have a long durability, strong corrosion resistance and shiny surface.

2) cold rolled steel coils prices features excellent forming properties, paintability, weldability, and is suitable for fabrication by forming, pressing and bending.

 

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Cold Rolled Steel Sheets Wholesale from China

Cold Rolled Steel Sheets Wholesale from China

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Q:why can aluminum sheet after oxide film removal react quicker with hydrochloric acid?
the reason is very simple, the original aluminum sheet has a layer of dense oxide film AI2O3, which has prevented the inner aluminum sheet from reacting with hydrochloric acid. but after oxide film removal, aluminum sheet will directly contact hydrochloric acid, generating H2.
Q:what kind of abradant should be used in the deburring of aluminum sheets? How to grind?
you can use deburring brush,grinding fluid,abrasive powder and other consumables.
Q:why can't aluminum sheet burn after polishing?
because aluminum will rapidly formulate dense oxide film once being exposed in air, oxide film will generate after polishing, it can't burn.
Q:How to clean the aluminium oxide on the surface of aluminum? What kind of materials should we use to clean the thin aluminum sheet, and what's the concentration?
You can sprinkle the mix of Alkaline water,vinegar,washing powder and liquid detergent on the surface. And after a period of time, rub it with soft silk, after it being dry,sprinkle again and rub until it's clean.
Q:is there aluminum oxide on the surface of aluminum sheet after being polished by abrasive paper?
aluminum will be oxided as aluminum oxide once being exposed in air.
Q:could aluminum sheet be attracted by magnet?
no, it couldn't.
Q:Who knows the ceiling size of aluminum hang-parcel?
General size of aluminum hang-parcel: 100mm、150mm、200mm、250mm, you can order the length according to your actual demands. General color of aluminum hang-parcel: white, black, blue, pearl white, bianco canopus, etc. you can order the color according to your actual demands. General thickness of aluminum hang-parcel: 0.4mm、0.5、0.6、0.7、0.8mm, you can order the thickness according to your actual demands.
Q:is aluminum foil spacer poisonous after heating?
It’s a kind of thermoprint material made by pressing the aluminum into sheet, and owing to its similar thermoprint effect to silver foil, so it’s called fake silver foil. Aluminum has soft texture, good ductility, and is silver white, if we use sodium silicate to paste the sheet after pressing on the offset paper, making aluminum foil, the foil can be printed. But aluminum foil is easy to be oxidized and darkens, rubbing and touching will make it darken, so it doesn’t suit for the thermoprint of books’ cover that needs to be preserved for a long time.
Q:does aluminum sheet need to conduct ROHS detection?it's metel material, how much detections should it conduct for ROHS detection?
it needs 4 CTI detections for ROHS.
Q:why does the bubble apear a few minutes later after putting aluminum sheet into dilute sulphuric acid?
it firstly etches off the oxide on the surface of aluminum, and then reacts with aluminum, generating bubble.

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