Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability

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China main port
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Min Order Qty:
50 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability

 

Brief Introduction

Cold Rolled Steel is steel thathas been worked below its recrystallization temperature by passing it between apair of rollers. Recrystallization temperature is the temperature at whichgrains in the lattice structure of the metal have been rearranged, leaving it freeof strain and deformations. Cold Rolled Steel is pre-treated before being coldrolled with a process known as pickling, which uses strong acids to removescale and other impurities. The Cold Rolled Steel is then passed throughrollers to reduce its thickness. Most cold rolling takes place in multiplepasses and as the size of the Cold Rolled Steel is further reduced, itsstrength and hardness both increase, but its ductility decreases. After coldrolling, heating the metal up in a process known as annealing can restore someof its ductility. The final Cold Rolled Steel may be manufactured in the formof sheets, strips, bars, or other forms.

 

Application

It’s widely used in outdoor andinterior decoration, furnishing manufacturing, home appliance, automobile etc.

 

Main Specification

COLD  ROLLED STEEL

THICKNESS

0.3-0.5MM

WIDTH

600-1250MM

SHEET  LENGTH

0-6000MM

COIL ID

508MM OR  610MM

SURFACE  TREATMENT

MATT  FINISH/BRIGHT FINISH, OILED/DRY

ANNEALING  METHODS

BRIGHT  ANNEAL/BLACK ANNEAL

COIL  WEIGHT

1-25MT

 

Advantage

1. High Quality SurfaceFinish

2. High Dimensional Precision

3. Excellent mechanicalproperty

FAQ 

1.How to guarantee the quality of the products?

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

2. 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 15-25 days, but the shipment will depend on the vessel situation.


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Q:How much pressure can concrete and steel take?
No particular answer because it relies upon on: the width of the wall the scale no matter if the wall itself contributes to the 12tonnes load, yet in ordinary maths, you may have any blend of width as against length: 1m huge by using 2.ninety 4 m lengthy 0.5m huge by using 5.88m lengthy etc etc it isn't so ordinary as this in spite of the indisputable fact that.....for causes said above
Q:Steel Cage Matches: Should they end by pinfall, escape or either?
That exists.. Ts called hell in a cell. And normal cage matches are fine the way they are
Q:Mild Steel?!?
Without it, you would not have many of the things that you enjoy today. Just think, no cannons, unless they were made of bronze, but that requires mining as well. No computers, no cars, no skate boards, no tall buildings, no pots and pans, no bath tubs, no factories to build things that are made out of non-metallic materials. No stereos, no TVs, no eating utensils, just think, you would have to eat like the Japanese do with bowls and your fingers. In short, just about everything around you is some how made with steel. If you are against steel and feel that it's impact on the ecology of the world is to great, what would you be willing to give up? Your car, ipod, computer, stereo, bed-everything about it uses steel in 0one way or another. Your Cd's, DVDs, just what would you want to give up because, yuck, it was made with steel equipment, or to some extent, made from steel.
Q:Permanently expanding steel?
You can calculate the maximum reversible strain, for elastic loading as follows: You need to look up the yield strength (for that particular type of steel). Divide this yield strength by the elastic modulus of steel (also called Young's modulus). That gives you the strain at the onset of yielding, the maximum you can strain the steel fibers before crossing the point of no return. If you are interested in the strain until failure, you need to take tensile test measurements. Seldom do people document an equation to model the non-elastic portion of the stress-strain curve of the specimen, because seldom do we design systems to operate with materials which yield. We want systems which only deform reversibly and elastically. This means you need to perform an experiment to find what you are actually desiring to know.
Q:The difference between aluminized color steel roll and ordinary color steel roll
Substrate selection: AZ150 (aluminum zinc content 150g/m2); G345A high strength galvanized steel sheet (55% aluminum, 43% zinc and 1.6% silicon) corrosion resistance data: 5%NaCL 35 DEG C, 1000Hrs, Field good, Scribe, No, Blister, 2mm belowQ.U.V: 2000hrs, MAX.2 color, light to keep the rate above 90%, the above data show that aluminum zinc coated board (AZ150, G345A, PVDF) is very suitable for the extreme environment of buildings or other facilities, highly corrosion resistance and weather resistance, and the major steel plate can ensure the service life of 20 years. In addition, high strength steel has been widely used abroad, and it has good economic performance, and it is also the domestic development trend.
Q:Moravia’s coal and steel industries face challenges because they _____.?
do not run efficiently is the correct answer
Q:i know stainless steel don't rust, does that go the same for just regular steel..?
There are dozens of types of steels, some stainless and some not. They differ a lot in their chemical composition and in how they're made (especially heat treating methods). They all vary in their strength, working properties and corrosion resistance. Regular steel (technically carbon steel--mostly iron, with a little bit of carbon) rusts quite badly if unprotected and in the right environmental conditions i.e. humidity/moisture. The iron in regular steel reacts with oxygen to form iron oxide--the orange/red stuff we call rust. Iron oxide is a loose and porous material which provides no protection to the underlying steel, which is why rusted regular steel will continue to rust. Stainless steel, in addition to containing iron and carbon, contains chromium as a component--and it's the chromium that is important for corrosion protection. To be fair, even stainless steel rusts but what happens is that it's the chromium that reacts with oxygen to create a microscopically-thin layer of chromium oxide. This layer is very tough and actually protects the uncorroded steel, preventing further corrosion. Broadly speaking, the higher the chromium content, the more corrosion resistant the stainless steel.
Q:Comparing the speed of sound in air, water, and steel?
Speed Of Sound In Steel
Q:slingshot ammo: glass or steel?
glass what
Q:Judge Quality of Steel?
The quality of the alloy can be very well be judged by its appearance and lustrous surface. The more luster on the surface the more refine will the steel be. To judge its tenacity and endurance, the alloy can be subjected to a series of procedures involving stress and shock. The reaction to these processes can determine whether the steel be fit for the purpose required.

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