BEST COLD ROLLED STEEL COIL WITH HIGH QUALITY AND COMPETITVE PRICE NO.1

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

Cold rolling means that hot rolled steel coil is rolled below recrystallization temperature after pickling, and its finished product is full hard coil. After annealing process for full hard coil, the finished product is cold rolled production. The thin gauge cold rolled steel sheet and strip steel have advantages of low surface roughness, high dimension accuracy and good mechanical properties etc, and which have been widely used in auto manufacturing, home appliance, architecture, aviation, precision instrument, hardware and enameling industry etc.

 

Main specification:                          

 

COLD ROLLED STEEL

Thicknenss

0.10mm-4.00mm

Width       

600mm-2000mm

Sheets length 

1200-6000mm

Coil inner   diameter 

508-610mm

Surface treatement

matt finish/bright   finish,oiling/dry, bright anneal/black anneal

Coil weight    

3-5t

We can supply customers' with different specifications of  the highest quality and lowest price.

 

Cold rolled steel is the based material for galvanized steel coil and pre-painted galvanized steel coil. It is widely used in light industry for marking tank, furniture, refrigerators, washers, freezer plate, air conditioner, micro-wave oven, water heater, soot such machine etc.

 

With excellent cold bending molded manufacturablity, good decoration effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as final products and basic plates of color coated steel coils. 

 

Sincerely welcome to contact us for the future details if any item interest you ,and we will make every effort to assure that your requirements will be satisfied ,and we hope to establish long-term business relations with you on the basis of the equality and mutual benefit.

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Q:what are the differences between chrome and stainless steel?
Chrome is a very hard metal that is plated over regular steel. It often chips and cracks off, allowing rust to form underneath. Stainless steel is an alloy of steel and nickel (I think) - sometimes the pipe is solid stainless, more often it's a coating. It doesn't rust, but also doesn't look as shiny in the beginning (stainless always looks better after a little time 0 chrome plate never lasts.) It's also softer, meaning that it doesn't tend to flake off like chrome does. Chrome plating if mainly for looks - stainless steel is for the longevity of your new parts. Chrome also tends to hold the heat in - not always good, as it will discolour with intense heat (very common on exhaust pipes), and the greater expansion and contraction during its usual heating and cooling cycles tends to make it flake off more easily. Bottom line - are you more interested in performance and keeping the car running well, or are you interested in temporary, short-term looks? After all, there's a reason that pro race engines don't use chrome plating.
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:what steel is best for a survival/utility knife?
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Q:Is stainless steel good for a butterfly knife?
This isn't really a question for this section, but I'm still happy to help out since I'm a big cutlery nerd as well. One thing to look out for when buying a knife is a lack of specifics on what steel is being used. High Carbon Stainless Steel doesn't tell you what the steel is, just what it MIGHT be. Chances are it's something along the lines of 420HC or 440A, both of which are softer steels. They aren't the worst steels around, but they are very quick to dull. You'd be better off looking at the Balisongs of Benchmade. They'll cost more, but you'll know that you're getting something made with quality materials and that won't break on you. And if it does break for some odd reason, Benchmade's warranty and customer service are both fantastic. Although if a more questionable knife is okay with you as long as the price isn't too high, then at least 420HC and 440A aren't too brittle and will take a decent edge even though they'll dull quickly. As for whether stainless steel is good for a knife or not, that depends on the type of stainless steel and what you're going to use the knife for. Many stainless steels are more brittle than a carbon steel, so high carbon stainless steels are a bit more likely to rust but a little tougher as well. In a butterfly knife, a steel like that is a good way to go, although the steels used by Benchmade, as I mentioned, are of a much better quality.
Q:Steel Building Construction.............?
Rather depends on the construction method. I've seen a lot of buildings with a steel exterior referred to as 'steel construction', when in fact they had timber framing - not steel. Recently, in my neck of the woods, we had an ice/snow storm, and many timber framed steel buildings collapsed, because of the weight on the roof. A case of not enough pitch on the roof, and not strong enough construction. The fact that there were many that collapsed, tells me the standards for this region are not high enough, hehehe. How a building is finished inside will also affect how fire resistant it is, let alone, the many other factors that come into play, such as wiring, gas lines, and what is actually done (or contained) inside the building. All details not provided. Better Questions Yield Better Answers. Good Luck
Q:Pre-engineered Steel Building ........!!?
You just have to do small efforts for owing a steel building: Firstly you have to finalize a steel building company for construction work. After finalizing the steel building company, the next step is the paperwork - the agreements and contracts. Some steel building companies may also ask for a verbal approval for the factories to get the work started.
Q:Engineering Materials - tool steel question?
It all depends what the application actually is. For hammers I would select a hammer grade B1 steel. For impact loading where an edge is needed I would be going for O1 or similar (oil quenching steels tend to be a little tougher than air hardening). For mining tools a very high manganese steel (Hadfields steel) - this is not a true tool steel. The best place to start is by looking at the ranking of the properties which you want - hardness v toughness v strength - and then use this to put the steels in rank order. Price and availablity then sort the problem out for you (in the real world).
Q:How to remove stains in stainless steel microwave?
A okorder.com/
Q:how can you temper steel?
You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.
Q:Do you think there is a way to mix liquid concrete and molten steel/metal to create solution that is stronger?
Mixing hot steel with liquid concrete would be very hazardous to your health. Steal in a molten state would flash the water in the concrete mix into steam and the steam would blow concrete and steel out of your mold. This would be about like being shot with a shotgun. This occurred in a steel mill near me some years ago on a rainy day when some steel splashed from a ladle and landed on a puddle of water, part of the siding was blown off the building and one worker sent to the hospital.

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