First Class Cold Rolled Sheet Coil System 1

First Class Cold Rolled Sheet Coil

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Specification

Product Name	Cold Rolled Sheet Coil
Material	SPCC/SPCD/SPCE/DC01/ST12/ ST14/SPCD/DC03/DC04 ect.
Grade Standard	JIS G3302, EN10142, ASTM653, ASTM95
Thickness	0.15-3.5mm
Width	600mm-1500mm
Coil ID	508-610mm
Coil OD	max 1500mm
Weight	3-10 Tons
Tolerance	Thickness tolerance:+/-0.02mm; Width tolerance:+/-5mm
Surface	No-skin passed or Skin passed, Tensile leveled
Surface Treatment	Chromate/Unchromate passivation, fingerprint resistant treatment, oiled/unoiled
Annual Output	350,000MT
Application	Construction, hardware, home applicances, interior decoration

General Application of Cold Rolled Steel Coil:

Classification	Designation	Characteristics	Main applications
Commercial quality	SPCC SPCCT	Commercial quality suitable for bending fabrication and simple forming; this is the type in greatest demand.	Refrigerators, cabinets, power distribution baords and drums.
Drawing quality	SPCD	Drawing quality second only to that of SPCEN. Excellent uniformity.	Automobile floor and roof panels.
Deep-drawing quality	SPCE SPCF	Deep-drawing quality.With metallurgically controlled grain size, it retains its beautiful finish even after being deep-drawn.	Automobile fenders and quarter panels
Extra deep-drawing quality	SPCG	Extra-low-carbon steel sheets with highest workability	Automobile internal panels and deep-drawn parts

Production Flow Chart

Specification

1. Thickness: 0.4-2.0mm

2. Width: 900-1250mm

3. Inner Diameter: 508 & 610mm

4. Weight of Steel Coil: 3-15MT

5. Heat Treatment: Annealed + Smoothed

6. Margin Status: EC & EM

7. Surface Quality: FC & FD

8. Surface Treatment: Oiling

9. Surface Status: Bright

Chemical Components

Grade	Chemical Components
Grade	C	Mn	P	S	Alt
St12	≤0.10	≤0.50	≤0.035	≤0.025	≥0.020
St13	≤0.08	≤0.45	≤0.030	≤0.025	≥0.020
St14	≤0.08	≤0.40	≤0.025	≤0.020	≥0.020

Mechanical Properties

1. Yield Strength: ≤320MPa

2. Tensile Strength: ≤370MPa

3. Elongation (L=50mm, b=25mm) When:

(1) Nominal Thickness <0.25mm: 30%

(2) Nominal Thickness 0.25mm-<0.40: 32%

(3) Nominal Thickness 0.40-<0.60mm: 34%

(4) Nominal Thickness 0.60-<1.0mm: 36%

(5) Nominal Thickness 1.0-<1.6mm: 37%

(6) Nominal Thickness >1.6mm: 38%

Q: Should I stick with the all steel kit over the acrylic tapers and steel plugs? or would the acrylic be ok? I keep hearing that steel is the best and acrylic can cause problems. I just want to do it correctly and take my time with it, no rushing.thanks: Steel is much better because acrylic can't be sterilized. If you have the option, titanium is much better because steel can cause nickle allergies, which can get pretty irritating.

Q: What are the major global steel coil markets?: The major global steel coil markets include countries such as China, the United States, India, Japan, Germany, South Korea, and Russia, among others. These countries have a significant demand for steel coil due to their large manufacturing and construction sectors.

Q: How are steel coils used in the production of infrastructure materials?: Steel coils are commonly used in the production of infrastructure materials due to their strength and versatility. These coils are often transformed into various forms such as beams, plates, or pipes, which are then used in the construction of bridges, buildings, roads, and other vital infrastructure. The malleability and durability of steel make it an ideal material for withstanding heavy loads and harsh environmental conditions, ensuring the longevity and stability of the infrastructure.

Q: I'm doing a commercial for chemistry and I need to know any kind of chemistry dealing with Callaway Big Bertha Irons. I know they are stainless steel but any more info would help out! Thank you! :): Stainless steel is a mixture of metals, each metal is included in order to make up for each others weaknesses. Each metal is included due to a property that is benificial in some way, for instance Chromium is included because it makes the stainless steel 'stainless'. In chemistry a mixture of metals, stainless steel, is called an alloy.

Q: What are the common coil handling equipment used in the industry?: Some common coil handling equipment used in the industry are coil cradles, coil reels, coil straighteners, coil feeders, and coil transfer cars. These tools are essential for safe and efficient handling of coiled materials during various manufacturing processes.

Q: What are the common methods of testing the strength of steel coils?: Steel coils can be tested for strength using various methods. Tensile testing is one such method, which involves applying tension to the coil until it breaks. This test provides information about the coil's ability to withstand force and its tensile strength. It also reveals details about its yield strength and elongation properties. Another common method is hardness testing, which determines the steel's resistance to indentation or scratching. Different techniques like Rockwell, Brinell, or Vickers tests are utilized to measure hardness. This test helps determine the steel's ability to resist wear or deformation. To evaluate the coil's ductility and flexibility, bend testing is performed. The coil is bent to a specific angle and checked for any signs of cracking or fracturing. Bend testing assesses the material's capacity to withstand bending or forming procedures without failure. Additional methods of testing include impact testing, where controlled impacts are applied to assess the coil's resistance to sudden loading conditions, and fatigue testing, which involves subjecting the coil to cyclic loading to determine its endurance limit and potential for failure under repeated stress. It is important to note that the specific testing methods used may vary depending on the intended application and industry standards. Non-destructive testing techniques, such as ultrasonic testing or magnetic particle inspection, can also be employed to detect internal defects or flaws in steel coils without causing any damage.

Q: What are the different types of steel coil grades?: Various industries and applications utilize a range of steel coil grades. Some commonly employed types include: 1. Carbon Steel: This fundamental steel variant consists primarily of iron and carbon. Its widespread use in construction, automotive, and manufacturing industries stems from its exceptional strength and durability. 2. Stainless Steel: This specific steel variant incorporates chromium, which imparts corrosion resistance, making it appropriate for applications requiring protection against oxidation and staining. Industries such as food processing, chemical, and medical frequently employ stainless steel. 3. High-Strength Low-Alloy (HSLA) Steel: HSLA steel comprises trace amounts of alloying elements like copper, phosphorus, niobium, and vanadium. This steel variant offers superior strength and improved mechanical properties when compared to carbon steel, rendering it suitable for structural applications. 4. Galvanized Steel: This type of steel undergoes a zinc coating process to safeguard against corrosion. Galvanized steel finds common use in outdoor applications like roofing, fencing, and automotive components. 5. Electrical Steel: Also known as silicon steel, electrical steel possesses high magnetic permeability, low electrical conductivity, and minimal core loss. It finds application in the production of transformers, motors, and other electrical equipment. 6. Tool Steel: Tool steel, a high-carbon steel variant, is specifically engineered for fabricating tools and dies. Its outstanding hardness, wear resistance, and toughness make it appropriate for cutting, forming, and shaping materials. These examples represent merely a fraction of the available steel coil grades. Each grade exhibits its own distinct properties and characteristics, rendering it suitable for specific applications within various industries.

Q: How are steel coils used in the production of electrical switches?: Steel coils are used in the production of electrical switches as they serve as a crucial component in the electromagnet that enables the switch to function. The magnetic properties of the steel coils allow for the creation of a strong magnetic field when an electric current passes through them, which in turn allows the switch to be activated or deactivated, controlling the flow of electricity.

Q: Ok so i have a certain amount of money that I want to invest in either GE or US Steel. Tickers: ge, x. GE looks like a strong co, but less risk. Whereas US Steel looks risky, but high reward. :). i am willing to take risks. Any comments?: I would go with some in one and less in the other. Given that steel prices have collapsed (and seeing as the Chinese economy is going into a recession, they will probably stay low for a while) I would say that because US Steel is a blue chip company it will be around for the long term, but, it won't make much for a while. GE on the other hand has been beaten down thanks to some mismanagement issues under current CEO Jeffrey Immelt, however, they have a range of strong products (save for their broadcast division, RCA/NBC). Given that the stock is at a severe low with the company itself being worth quite a bit (with a fair amount of bailout funds coming to its' financial division) and the Obama administrations' green initiatives coming online over the next couple of years the demand for their products will be high. I would simply say 70/20 GE/US. Good luck.

Q: hi i was doing a little history project on guns. i was just wondering if anyone could help me find out what material was used before steel and why this material wasnt as good as steel ( its faults)thanks for your help: The most common was bronze, which was the strongest material that could be cast, at least until the industrial revolution. Until that time, furnaces which could reach temperatures hot enough to melt steel did not exist. The only way to work with steel would have been forging, which means hammering it into shape while red-rot. Obviously, this is not a very practical method for making large thick-walled cannons (though it was done on occasion. Small arms such as pistols and muskets could be easily made of steel by hand forging.) The most practical way to make cannons was pouring molten bronze which melts at significantly lower temperature than steel. Cast iron was also used. Note that Cast Iron contains 3%-7% carbon, compared to steel which only contains between 2% to 0.2% carbon. Due to the excessive carbon content of cast iron, it's melting point is about 500 degrees lower than steel enabling it to be melted with pre-industrial furnaces. Unfortunately, cast iron is also brittle, unlike steel or bronze. This means that a defective or cracked casting could easily explode, sending iron shrapnel everywhere. (Also, maiming and killing the gun crew, an experienced gun crew was as valuable as the cannon itself!) For this reason. Cast iron cannon were usually considered a cheap, risky alternative to expensive but durable bronze.

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