Cold Rolled Steel/Sheet with High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

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

 

 

4.Cold Rolled Steel Specification

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

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

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

We have organized several common questions for our clients,may help you sincerely:

1.How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.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.

3. 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:Science help!?! steel wool experiment?
steel wool = iron fibers and rusts easily in air iron + Oxygen BUT the blue soap protects the iron at first. that needs to be cleaned off. damp surfaces speed the rusting but compeletly underwater there is not much O2, ther eis some temperature has an effect. the rusting depends ofn the area of the fibers which does NOT change when you cut th epad in smaller pieces. a good beginners experiment In old times thye thought the rusted material would lose weight becasuse it was not solid iron any more careful experiments showed it gained weight and lead to and understanding of chemistry
Q:TRAGUS PIERCINg?!Stainless Steel?!?
Titanium is better, and most piercings heal better with titanium used jewellery.
Q:.308 steel cased ammo in my remington 7400?
I shouldn't have an R-25, however probabilities are that when you use metal cased ammo in it you are going to sometimes handle stuck instances. That's the rate you pay for the cheap ammo. As a rule when a case sticks without problems tapping the butt firmly on the ground then pulling the charging handle will dislodge and eject the case. It can pay to invariably have a cleaning rod with you, if the above repair does not work, you push the case out with the rod.
Q:Pistol Polymer Frames? Good as Steel? Walther P22 OK?
All polymer frames are cast around steel 'skeleton' inserts, which bear the stress and wear between receiver slide, as well as other wear points. The great advantage to polymer frames is the lower weight over the polymer composite compared to an all-steel or other metal alloy receiver frame. As all wear contact points are 'steel-to-steel', the service life expectancy of a polymer-frame weapon will be the same as an all-steel frame design. NO polymer-frame design I know of has ANY stress or load contact points between metal and polymer-only surfaces. My polymer-frame H-K USP and my Glocks are constructed this way.
Q:why use brass sell casings? why not steel?
soft steel is used at times...(com block ammo is flush with steel cased products) Steel rusts so you have to paint it or coat it... the coatings leave residue in firearms that can cause a stoppage. Brass is the A choice for casings. No Rust, it has no issues for reactivity, wont spark, expands to seal chambers... and in many cases can be reloaded and used over again.
Q:Can you leave steel paintless?
There is another thing you can do to inhibit corrosion on bare metal surfaces. Use a good quality automotive wax. Apply it with diligence, and keep the bike in the garage when you're not using it so it stays dry. Touch up the wax job every now and then to maintain the protective finnish.
Q:Hardenability of steel?
Bit tricky to explain and I don't know muh about it but steel on its own has lost of gaps in it ( the molecular structure) and when carbon is added thos gaps are filled, I think of it like this: it is easier to punch through expanded polystyrene( with all the little balls) than unexpanded(just a lump of plastic) as the balls are not properly joined and have air pockets between them.
Q:How does stainless steel soap work?
Many metals have germicidal qualities. Silver is the strongest germicide of the metals, but a sterling silver bar of soap would be expensive and it would tarnish. The tarnish would actually not affect the silver's ability to kill bacteria, but it would look bad and the tarnish would turn your hands black, so people wouldn't want to use it. Many people even take silver internally in the form of Colloidal Silver, but Colloidal Silver is very controversial. Yes, it kills many bacteria, but it can also cause a person's skin to permanently turn blue...a condition called Argyria. Brass actually is a better germicide than stainless steel...but again this is a cosmetic problem. Brass tarnishes, so people wouldn't want to use it. Stainless steel is actually a very weak germicide, but even steel has some ability to kill germs. Stainless steel also removes fish odor. My son has a stainless steel bar that he takes along when he fishes to remove the fish smell from his hands. There's nothing magical about the bar...a stainless steel spatula would would just as well, but the bar is more convenient to carry. I'm not sure if this is scientific enough or not. -
Q:Types of steel buildings?
There are a number of designs which can be used to create different types of steel buildings as per the demands of the buyer or an investor. he various kinds of that can be constructed using steel are Homes, Hangars, Agriculture and Farm buildings for storage, Garages and Storage sheds, Open air sheds,, Barns, Arenas and stadiums, Automotive buildings with overhead doors and flexible framed openings, Religious buildings such as Churches and Temples, etc.
Q:what imperfections or problems arise with casting steel?
It contains too many air bubble spacing and too many impurity that make it easily to be broken apart. Melt it down again with high heat to remove most impurity, after this process,it becomes iron.

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