Chines Best Cold Rolled Steel Coil JIS G 3302 for Car Manufacturer

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50 m.t.
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10000 m.t./month

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Product Description:

 

Chines Best Cold Rolled Steel Coil JIS G 3302

1.Structure of Cold Rolled Steel Description:

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new  technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel:

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

 

3.Cold Rolled Steel Images

 Chines Best Cold Rolled Steel Coil JIS G 3302 for Car Manufacturer

Chines Best Cold Rolled Steel Coil JIS G 3302 for Car Manufacturer

 

 

4.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~2.0mm

Width: 1250mm MAX

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

C

Si

Mn

Cr

Ni

P

S

0.150

0.476

11.231

12.50

0.900

0.039

0.010

 

 

 

 5.FAQ of Cold Rolled Steel

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:Guitar strings, nylon or steel?
You have TWO acoustics - one a classical with nylon strings and another with steel strings. Nylon strings are always easier to play as the tension is lower and the top tree strings are thicker than their steel equivalents and so cause less pressure on the finger tips. Whether the action of your steel string is too high or not is impossible to say without seeing it. The two types of guitar produce different sounds - i like the sound of both and like you, have examples of each. Personally, I wouldn't want to play a guitar with what I thought of as an inferior sound. The choice has to be yours though.
Q:Where to buy silicon steel?
Electrical Steel Suppliers
Q:High Speed Steel Information!?
wikipedia: High speed steel (often abbreviated HSS, sometimes HS) is a material usually used in the manufacture of machine tool bits and other cutters. It is often used in power saw blades and drill bits. It is superior to the older high carbon steel tools used extensively through the 1940s in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high speed steel. At room temperature, in their generally recommended heat treatment, HSS grades generally display high hardness (above HRC60) and a high abrasion resistance (generally linked to tungsten content often used in HSS) compared to common carbon and tool steels. see reference for more info .
Q:How to wear out stainless steel?
Just abuse it. You could hit with a hammer, expose it to flame, throw it at or grind it around on rocks or concrete, rub it with steel wool. (be artful in how you do this, the pattern could end up looking too deliberate if you're not careful.) For an example of naturally aged stainless steel, look at some cooking pots/pans. If you don't have any old ones, maybe your parents or someone you know does. They usually get a little banged up/scuffed/stained after a while. (I think the stainless just means it doesn't rust.)
Q:Edward Humphrey wants to know... Can I use steel roofing on an older house?
ed like others have said yes you can and its relatively simple to do. ? is it steal you want or would to plastic they call it work. we've done several around here in central Illinois and we've done both. as far as putting boards under the metal we've only done that on one, usally you start at a bottom corner, work your way across the roof and up just as you do shingles, remember though unlike shingles these don't have any sealing strips, so under each overlap before putting the piece on you need to put a sealer bead on. the tubes from your local lumber yard work just fine. just remember dont hurry yourself into making mistakes and forgetting anything. i don't know if you have helpers but generally you can hire a high school kid to help put this on. it isn't really that hard.use whats called a barn screw to hold it onto your existing roof,( they are color coated, and have rubber gaskets) so no leaks where fastened unlike nails.
Q:Flat Steel Bar from Home Depot: What type of steel is this?
That isn't good steel for a functional knife. But that doesn't mean its useless to you. It makes for cheap and easier practice. Its a good idea to screw up a couple of cheap pieces of steel before you start buying expensive blanks. The mild steel will be easier to work with too, so its a good start towards being able to shape a harder piece. Practice a few times withcheap, soft steel. Get to know your tools. At some point the steel will be limiting your abilities. Then its time to start buying the expensive stuff. Steel can be hardened by introducing carbon when the steel is above a certain temp. But its difficult and a little unsafe in uncontrolled conditions. Really not worth bothering with.
Q:how steel structures can withstand earthquake?
Some buildings are built on giant springs so they wobble when there's an earthquake but don't try to ride it out.
Q:Ideas for Fantasy Culture: Steel Making?
Well, steel is just modified iron, so you're going to have to start with acquiring the iron first. For that, you're most likely going to be using some sort of underground mining somewhere - either they do that themselves, or they purchase the iron elsewhere. Assuming you're not dealing with meteoric iron (which is possible, but pretty uncommon), or iron sands (not likely in a woodland area), then unless you're dealing with a rocky outcropping with iron veins out in the open, I'm pretty sure there needs to be somebody doing some digging. That said, it doesn't need to be a full raping of the land scenario. A couple of minor mines, some small-scale smelting operations, and somebody knowing the secret of making steel, and it could give you small amounts of steel without making an ecological disaster.
Q:Best hunting knife steel?
Get a Kershaw hunting knife. Kershaw uses only good quality knife steel and they have plenty of hunting knives under $100.
Q:grain growth in steel?
Well, I can't answer the question for you because, if the press bending is done cold, the grains will not grow (at least not with normal steel alloys). One wonderful thing about metallurgy is that the real answer is it depends because there are all sorts of weird and unexpected things that can happen. Cold work (which is what press bending is unless it is done hot or the amount of deformation is extraordinary high and fast so the metal heats up a lot locally) adds stored energy (strain energy) which provides one of the driving forces for recrystallization. Recrystallization is not a yes/no process, it is a process that happens as a function of time and temperature. Recrysallization of a cold worked structure will refine the grain size if done properly but the final stage of recrystallization is grain growth and you can end up with a larger grain size than you started with. The other thing that can affect grain structure is the deformation itself. There are all sorts of transformations that can happen due to the deformation process (twinning/martensitic is one) but, again, these don't usually qualify as grain growth. It may be that the question was incomplete, maybe the question is how does the press bending affect the final grain size after a subsequent anneal? The metallurgy of steels is fascinating because there are so many different microstructures that can be produced, hundreds (or thousand) different alloys, equilibrium and non-equilibrium phases based on composition and thermo-mechanical processing. Hope this helps

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