Black Cold rolled steel coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 1000 m.t./month

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Quick Details

Standard:	AISI,ASTM,BS,DIN,GB,JIS,AISI ASTM BS DIN GB JIS	Steel Grade:	Q235	Thickness:	0.25mm-3mm
Place of Origin:	China (Mainland)	Technique:	Cold Rolled,Hot rolled Cold Rolled	Surface Treatment:	Polished
Application:	Construction Application,Construction Building /Home Appliances	Model Number:	Galvanized Steel Coil	Brand Name:	JMS,JMS Steel
Width:	32-940mm	Length:	As require	Grade:	SGCC/DX51D/SGCD
Zinc coating:	40-300g/m2 Both Side	Spangle:	Normal /Small / Big	Payment:	L/C T/T
Certifacte:	BV SGS ISO API CE

Packaging & Delivery

Packaging Detail:	Standard export packing 1.Innermost is plastic cloth picking 2.Middle is waterproof paper 3.Outmost is iron packing 4.As your request
Delivery Detail:	Will be send Within 1 month

Specifications

32-600mm Width is most advantage
5% LOWER Price in Market
One Stop STEEL Distribution Center
ISO API BV CE SGS Verify

Cold Rolled Steel Black Strips/Plate/Sheet/Coil

Describe of Cold Rolled Steel Black Strips/Plate/Sheet/Coil

Commodity	Cold Rolled Steel Black Strips/Plate/Sheet/Coil
Technical Standard:	JIS 3302 / ASTM A653 / EN10143
Grade	DX51D/SGCH SCGG/ S250/Q195/Q235/Q345
Types:	Commercial / Drawing / Deep Drawing / Structural quality
Width	32-1250mm(32-600 is Most Advantage Width)
Thickness	0.12-4mm (0.5-4mm is the most advantage thickness)
Type of coating:	Galvanized, Oiled, As required
Zinc coating	Z30-300g/m2
Surface treatment	Chromed / Skin Pass/ Oiled/ Slightly Oiled/ Dry/ Anti-Fingerprint
Surface structure:	Zero Spangle / Minimized Spangle / Regular Spangle/ Big Spangle
ID coil	508mm or 610mm
Coil weight	3-8 MT per coil
Package:	Properly packed for ocean freight exportation in 20'containers
Application:	Industrial panels, roofing and siding for painting
Price terms	FOB,CFR,CIF
Payment terms	30%TT in advance+70% TT or irrevocable 70%L/C at sight
delivery time	25 days after recepit of 30% TT
Remarks	Insurance is as requirements
	MTC will be handed on with shipping documents
	We accept the third party certification test

Q: 420 440 1045 or 1065 ive bought knifes with these steel grades and i want to know which one is better.: SAE 440 is the best. Classified as high grade cutlery steel. There are various grades of 440: A, B, C, and F. 440 A is the most stain resistant while 440 C has the most carbon and can achieve the highest hardness (Best edge Retention). SAE 440 Chemistry: 16 - 18% Chromium, 0.60 - 1.2% Carbon, 0.75% Molybdenum. SAE 420 is pretty good. Classified as cutlery steel, it is a stain resistant grade but has less chromium and significantly less carbon than SAE 440. SAE 420 Chemistry: 12 - 14% Chromium, 0.15% Carbon (min), 0 Molybdenum Chromium is what makes the steel corrosion resistant. It also adds toughness. Molybdenum adds extra corrosion resistance and adds hardenability. So you can see by chemical components that 440 is highest quality although that also means more cost. 1045 and 1065 are low quality steels and you should probably never use them for a knife. The 1 indicates plain carbon steel with little other alloying elements. The last two digits indicate how much carbon is in the steel. 1045 has 0.45% carbon, mid-range hardenability. 1065 has 0.65% carbon, high hardenability. So if I had to choose I would choose 1065 over 1045 but the difference isn't that noticeable. Everything I said here assumes they have all had the optimum Quench and Temper heat-treatment for their chemistry grade.

Q: I have been searching on pots and pans, how can I find out if it's really stainless steel, someone told me if a magnet sticks to it it's real stainless steel is this true?: if a magnet sticks to it that means it's a cheaper metal coated with stainless steel. if it's an appliance you're buying, look on the reciept. real stainless steel will actually say it. the coated stuff will just say stainless leaving out the steel.

Q: Why can hot rolled coils be placed outside?: Because hot-rolled steel coils are generally used as raw material for semi-finished products, they have to be further used for pickling and cold rolling to make more use. The rust and dust can be removed after pickling

Q: What are the common size limitations for steel coils?: The common size limitations for steel coils vary depending on the specific application and manufacturing capabilities. However, typical size limitations for steel coils range from a few millimeters in thickness to several millimeters or even meters in width and length.

Q: Can steel coils be galvanized?: Yes, steel coils can be galvanized. Galvanization is a process of applying a protective zinc coating to steel to prevent corrosion. Steel coils are often galvanized to increase their durability and resistance to rust.

Q: How are steel coils used in the manufacturing of steel drums?: Steel coils are used in the manufacturing of steel drums as they are cut into the desired size and shape to form the body of the drum. The coils are unrolled and bent into a cylindrical shape, which is then welded together to create a seamless drum. This process allows for efficient and cost-effective production of steel drums, ensuring durability and strength in the final product.

Q: How are steel coils used in the production of electrical transmission towers?: Various methods are employed in utilizing steel coils for the manufacturing of electrical transmission towers. Firstly, these coils are frequently employed in the production of the towers' structural components, including the main support columns and crossarms. To effectively bear the weight and strain of the transmission lines, these components necessitate strength and long-lasting durability, which steel coils aptly provide. Furthermore, steel coils are also instrumental in the creation of brackets and braces that reinforce the transmission towers. These particular elements contribute to the even distribution of the load and offer supplementary support to the structure. Steel coils can be molded and welded with ease, rendering them well-suited for the intricate fabrication of these components. Additionally, steel coils find extensive application in the construction of the foundation and anchor bolts that secure the transmission towers to the ground. It is vital for these bolts to possess robustness and resistance to corrosion, as they play a pivotal role in upholding the stability and integrity of the entire tower structure. To enhance their longevity and prevent rusting, steel coils are often subjected to galvanization or other protective coatings. In summary, the indispensability of steel coils in the production of electrical transmission towers arises from their exceptional strength, durability, and versatility. These coils enable the construction of robust tower structures capable of supporting the weight of transmission lines and withstanding diverse environmental conditions.

Q: How are steel coils used in the manufacturing of machinery?: Steel coils are used in the manufacturing of machinery as they serve as a primary material for various components such as gears, shafts, frames, and structural supports. These coils are typically cut, shaped, and welded to form intricate and durable parts that can withstand the demands of heavy-duty machinery. Additionally, the strength, versatility, and corrosion resistance of steel make it an ideal choice for machinery manufacturing, ensuring longevity and reliability in the final product.

Q: How do steel coils compare to other materials?: Steel coils have several advantages over other materials. Firstly, steel is known for its high strength and durability. This makes steel coils highly resistant to wear and tear, making them suitable for a wide range of applications. Additionally, steel coils have excellent heat resistance, making them ideal for use in high-temperature environments. Furthermore, steel coils have superior corrosion resistance compared to many other materials. This is especially important in industries such as construction and automotive, where exposure to moisture and chemicals is common. Steel coils can withstand these harsh conditions, ensuring long-lasting performance and reliability. Another advantage of steel coils is their versatility. Steel can be easily molded into various shapes and sizes, allowing for customization and flexibility in design. This makes steel coils suitable for a wide range of applications, including manufacturing, construction, transportation, and energy industries. Moreover, steel coils offer good value for money. Despite their numerous benefits, steel coils are generally more affordable compared to other materials such as aluminum or copper. This makes steel coils a cost-effective choice for businesses and industries looking for high-quality and reliable materials. In summary, steel coils have several advantages over other materials. They offer high strength, durability, and heat resistance, along with superior corrosion resistance. Steel coils are also versatile and can be easily customized to suit different applications. Additionally, they provide good value for money. Overall, steel coils are a reliable and efficient choice for various industries and applications.

Q: What are the different types of steel coil handling devices?: There are several types of steel coil handling devices, including coil lifters, coil grabs, coil tongs, coil hooks, and coil transfer cars.

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