Prepainted Rolled Steel Coil for Roofing Steel

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Basic description Info.

Surface Treatment:Coated

Technique:Cold Rolled

Standard:JIS

Color:All Ral Color Are Available

Zinc Coating:30-120G/M2

Width:914-1250mm

Thickness:0.18-0.6mm

Export Markets:Global

 

Additional Info.

Trademark:VST

Packing:Standard Export Package

Origin:China

Production Capacity:10000t/Month

 

Main Feature:

1, Pre-painted Steel Coil Can be used in building material field, galvanized wire steel tape and mainly other fields.

2, All color can be customized

3, Good quality with competitive price

Secifications

Performance testing of color coated steel coil

Item

Method

Consequence

Tensile Test

Tic-Tac-9mm 5mm cross cupping

No damage

Bending Test

T≤ 3

No damage

Boiling Test

100° Cboiling 1 hour

No damage

Water Resistance

1000hours immersion in 40° C(edge)

No damage

Moisture Resistance

50° C90%100hours(edge)

No damage

Fire Resistance

Samples were placed in incubators, remove greenhouse cooling, and then test the adhesion

Long-term Environment in 100° C

Fire Extinction

Liquefied petroleum gas or natural gas burner

Immediately turn off

Drug Resistance

10%hydrochloric acid, saturated calcium, 10%H2SO4, 10%NAOH, gasoline, ethanol

No color and trace change

Salt spray test

5%Nacl, 35± 2° C, 500hours

No damage

 

Coating performance test standard

Test item

Positive standard

Back standard

Dry film thickness(um)

14-16

7-9

Glass(60degree)

High 70± 5, medium40± 5, low30± 5

30± 5degree

T bending

3

3

Impact strength

6.3

5.8

Pencil hardness(H)

H

H

MEK(Per)

> 100

> 100

Cross cut

0 class

0 class

Acid resistance

50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change

Alkali resistance

50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change

Aging-resistance

1 st class loss of color and glass

Salt spray

500

 

 Images

Prepainted Rolled Steel Coil for Roofing Steel

 

FAQ

1.What's your MOQ?
    25MT, it is for one container.
2.Do you have QC teams?
     Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
    Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness  and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
    Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.

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Some stainless steel are magnetic and some aren't. The real high grade stainless steels aren't magnetic.Stainless is just regular steel with varying degrees of nickel and chromium alloys mixed in the batch. The more nickel and chromium the less likely to be magnetic. A lot of stainless exhaust pipes and barbecue grills claim to be stainless, and yet they still rust and tend to be magnetic. They must use the bare minimum of nickel and chromium in the melted batch just to claim the title of stainless steel. Nickel and chromium are quite expensive and they are what gives the steel the anti-corrosion and extreme hardness characteristics along with loss of magnetism of the steel. If you have stainless steel that is magnetic , it is a good sign it is stainless steel that barely meets the criteria of true stainless steel.
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This Site Might Help You. RE: What Are The Disadvantages Of Stainless Steel Jewelry? I want to buy a chain that will last a long time and that i can wear ALL the time. What are the disadvantages to stainless steel jewelry? Does it look as good as silver? Is there much diference in apperance?
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Carburized steel is not the same thing as carbon steel. All steel has carbon in it, but carbon steel is defined as Steel is considered to be carbon steel when no minimum content is specified or required for chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium or zirconium, or any other element to be added to obtain a desired alloying effect; when the specified minimum for copper does not exceed 1.04 percent; or when the maximum content specified for any of the following elements does not exceed the percentages noted: manganese 1.65, silicon 0.60, copper 0.60. Carburizing is a surface treatment. Dropping hot steel in oil is oil quenching. It might get a little carbon in the surface, but oil quenching is mainly used as a slightly slower quenching process than water quenching, not for carburizing. Once it starts cooling down the carbon won't diffuse in. Quenching is used to change the hardness. The simplest way to carburize steel is to pack charcoal around it and heat it to 900 C or so. Industrial processes use a gas like carbon monoxide, but that's mostly just for easier process control.
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i own a repair shop,and i can tell you ,part of his problem is probably the installation part of it,and secondly what he,s using is made for racing,not street driving that's probably the second part of it,i have built a few of those transmissions,and they usually don't wipe the transmission out when they go,id say a lot of his,is in the work ,or who did it there's no way to prevent this,other than to build the transmission,and use it for what it was intended to be used for,good luck,i hope this help,s.
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forged steel is a trick to get people like you who know nothing of steel to think of a blacksmith hammering away at a anvil making great tools. Not to say they are bad they are probably fine. but forged just means it was made when the steel was hot, it says nothing of the quality of steel in the process. however whenever steel is forged it will be stronger than the same product made out the same steel, but shaped by machining process.

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