Stainless Steel Coil Cold Rolled 304 With Best Quality

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100 m.t.
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Product Description:

1.Structure of Stainless Steel Coil Cold Rolled 304 With Good Quality


Cold Rolled stainless steel Coil with good quality is one of the raw material of the cold 

rolled stainless steel Coil, which can be used directly in many places. Stainless Steel 

(Stainless Steel) is short for acid-proof Stainless Steel, resistant to weak corrosive 

medium such as air, steam, water, or with a Stainless Steel grade.


2.Main Features of Prefabricated Steel Structure High Building Project


Weld-ability: The purpose of the different requirement for welding performance are 

different.1 Kind of tableware generally do not require the performance of welding, even

including some pot class enterprise. But the vast majority of products all need raw

materials welding performance is good, like the 2 kinds of tableware, thermos flask, steel

pipes, water heaters, water dispensers, etc.


Heat resistant performance Heat resistant performance refers to the high temperature 

stainless steel can still maintain its excellent physical and mechanical properties. Carbon: 

the influence of carbon in austenitic stainless steel is formed strong and steady. Set the 

austenitic austenitic area and expand elements. Carbon formation of austenite is about 30

 times that of the nickel, the ability of carbon is a kind of gap elements, through the solid 

solution strengthening can significantly increase the strength of the austenitic stainless 

steel. Carbon austenitic stainless steel can be improved in high concentration chloride 

(e.g., 42% MgCl2 boiling solution) in the performance of the resistance to stress corrosion. 

But, in the austenitic stainless steel, carbon is often seen as the harmful elements, this is 

mainly due to the corrosion of stainless steel used in some conditions, such as welding or 

heating by 450 ~ 850 ℃), carbon steel with chromium in forming high chromium Cr23C6 

type carbon compounds which can lead to local chromium depletion, make steel corrosion 

resistance especially resistant to intergranular corrosion performance degradation. So. 

Since the 60 s of the development of new Cr-Ni austenitic stainless steel is mostly carbon 

content less than 0.03% or 0.02% of the ultra-low carbon type.

 

3. Stainless Steel Coil Cold Rolled 304 With Good Quality Images


Stainless Steel Coil Cold Rolled 304 With Best Quality



Stainless Steel Coil Cold Rolled 304 With Best Quality


4. Stainless Steel Coil Cold Rolled 304 With Good Quality Specification


Ferritic stainless steel Chromium containing 15% ~ 30%. Its corrosion resistance, 

toughness and weldability with chromium content increases with the increase of chloride 

stress corrosion resistance is superior to other types of stainless steel, fall into this 

category of Crl7, Cr17Mo2Ti, Cr25, Cr25Mo3Ti, Cr28, etc. Ferritic stainless steel because 

of the high chromium content, corrosion resistance and oxidation resistance are relatively 

good, but the mechanical properties and process performance is poorer, more used to 

stress less acid structure and steel used as antioxidant. This kind of steel to withstand 

atmosphere, nitric acid and corrosion of the brine solution, and has good high temperature 

oxidation resistance, low thermal expansion coefficient, etc, used in nitric acid and food 

factory equipment, also can make work under high temperature parts, such as gas turbine 

parts, etc. 

Austenitic, ferritic duplex stainless steel The advantages of both austenitic and ferritic 

stainless steel, and has the superplasticity. Austenite and ferrite The title Each accounts 

for about half of the stainless steel. In the case of contain low C, Cr content was 18% ~

18%, Ni content at 3% ~ 3%. Some steel containing Mo, Cu, Si, Nb, Ti, N and other

 alloying elements. This kind of steel both austenite and ferrite stainless steel, the 

characteristics of compared with ferrite, plasticity and toughness is higher, no room 

temperature brittleness, intergranular corrosion resistance and welding performance were 

significantly increased, while maintaining a ferritic stainless steel of 475 ℃ brittleness and 

high thermal conductivity, has the characteristics of superplasticity. Compared with 

austenitic stainless steel, high strength and resistance to intergranular corrosion and 

resistance to chloride stress corrosion is improved obviously. Duplex stainless steel has 

excellent resistance to pitting corrosion performance, is also a kind of nickel and stainless 

steel.



5. Applications of Stainless Steel Coil 304 With Good Quality

 

1. Kitchenware: tableware, cookware, Stoves…

2. Food packing: storage cans, food containers…

3. Construction: bridge, roofing, wall, decoration, bathroom accessories…

4. Precision instruments: electrical products, aerospace…

5. Others: automotive parts, machine building, chemical processing, farming… 

 

6.FAQ of Stainless Steel Coil 304 With Good Quality

 

We have organized several common questions for our clientsmay help you sincerely:

 

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 willprovide necessary 

follow-up service assurance.

 

How is the packaging and delivery?

Standard export packing (Coil: waterproof paper + protective steel ring; Circle: wooden

box), or as your requirement and the delivery term is based on the project.



 


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Q:Stainless steel strap easy to scrape, how to deal with?
On the local case or watch strap deep scratches, repair before the need to do local processing, look at the location, such as the shell side case, there may even use the fine small file, more is the use of stone, then under the magnifying glass, carefully remove deep scratches and boring flat, deep scratches in the first, to focus on the local stone grind. This needs to be under a magnifying glass, the purpose is to scratch evenly polished, when basic scratches are going to grind, choose suitable size to sandpaper, grinding along the original sand drawing lines, so the lines are usually on the dial radially, and this is a carefully, to a little, the effect will be good to rub out the realistic. It is recommended that the sand paper be used in jewelry industry, preferably imported, such as German warrior brand water sandpaper.
Q:Which material is better, stainless steel or belt?
Summer is the best with a stainless steel belt, the belt in the summer after the sweat corrosion, there will be an unpleasant smell, easily broken; stainless steel material is relatively good, generally not bad, summer with sweat also nothing, no taste. I hope my answer will be helpful to you!
Q:What is the difference between stainless steel coil and stainless steel plate?
Stainless steel (Stainless Steel) is referred to as the stainless steel, the resistance of air, steam, water and other weak corrosive medium or with stainless steel known as stainless steel; while the resistance to chemical corrosion (acid, alkali and salt chemical etching) corrosion of steel called acid resistant steel.
Q:How can 304 stainless steel and 201 stainless steel be distinguished by magnet?
After pickling of stainless steel, surface color silver finish: chromium nickel stainless steel color white jade is white; chromium stainless steel slightly weak light Ze; CrMnN Stainless steel and chromium nickel stainless steel similar color is slightly lighter. The surface color: stainless steel pickling chrome nickel steel is brown and white, brown and black chromium, chromium manganese nitrogen is black (the three color refers to the oxidation of the heavier color). Cold rolled unannealed chromium nickel stainless steel, silver reflective surface.
Q:301 stainless steel belt and 304 stainless steel belt, which quality is good?
304 good soft hard 301 good 304 some hardness is not to Yi Teng metal
Q:Stainless steel narrow band, what are the spare rolls and side bands?
Narrowband: General slitting machine, can only be divided into 12 ~ 15 mm width, and then down, it is not accurate, and therefore narrower band, you must use a special separator, so the price of narrowband will be higher.
Q:Is the stainless steel condiment bottle good for rotating or for all holes?
Generally divided into martensitic stainless steel, ferritic stainless steel, austenitic stainless steel, duplex stainless steel and precipitation hardening stainless steel, etc., or divided into chromium, stainless steel and nickel stainless steel two categories.
Q:Why does stainless steels carry magnetism?
Often use magnets to determine whether stainless steel magnet attracts people, that is the stainless steel, the stainless steel is impossible. It seems that the people of stainless steel as well as understanding the misunderstanding. In fact this is just the difference between austenitic stainless steel and other stainless steel has no magnetism.In general, austenitic stainless steel and austenitic stainless steel (non-magnetic magnet can not suck), there are other ferrite stainless steel, with the ferromagnetic (magnets attract). But they can not just use a stainless steel magnetic discrimination. For the stainless steel tube, no magnet up or not, as long as the quality standards are stainless steel.
Q:What type of stainless steel is magnetic stainless steel?
1, 420- type "cutting class" martensitic steel, similar to Brandt's first high chromium stainless steel this. Also used in surgical knives, which can be made very bright.2 model 430- ferritic stainless steel for decorative purposes, such as automotive accessories. Good formability, but poor temperature resistance and corrosion resistance.3, 440- type high strength cutting tool steel, carbon is slightly higher, after appropriate heat treatment to obtain a higher yield strength and hardness can reach 58HRC, which belongs to the most hard stainless steel column. The most common example is razor blades".
Q:What is the hardness of stainless steel band 3/4?
304 stainless steel is the United States materials and Testing Association (ASTM) named SUS 304 stainless steel brand abbreviation. 304 stainless steel, 1Cr18Ni9., is a widely used austenitic stainless steel.

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