Hot Rolled&Cold Rolled Galvanized Steel Coil

Hot Rolled&Cold Rolled Galvanized Steel Coil

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 23 m.t.

Supply Capability:: 50000 m.t./month

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Product Description

Thickness: 0.16mm-1.20mm

Coil width:600mm-1250mm

Coil weight: 3.0-6.0MT

Surface finish : 60-120g/m2 zinc coating and any Ral code the customers requirment!

Spangle: Big Spangle,Small Spangle,Regular Spangle,Zero Spangle.

Steel grades: Q195-Q345,GR.A,GR.B, SPCC,SPHC,DX51D, ECT.

Standard: JIS G3302, JIS G3313, ASTM A653, GB/T2518-88, GB11253-89,ASTM A1008-2000,BS,ETC.

Packing: wrapped by plastic film and waterproof paper, and then fastened on wooden pallet.

Used in building material field,Pipe making, furniture making,others

Minimum order quantity : 25 tons

Delivery times : 20 days after received T/T or L/C

Payment terms : T/T or L/C ( or as your demand)

Supply abilty : 6,000 ton per month

Product Picture:

Hot Rolled&Cold Rolled Galvanized Steel Coil

FAQ:

Size	(0.13mm-5.0mm )(600mm-1500mm)coil
Steel Grade	JIS G3302 SGCC~SGC570,SGCH(FULL HARD-G550),SGHC~SGH540 EN 10346-DX51D+Z,DX53D+Z, S250GD~S550GD ASTM A653M CS-B, SS255~SS550
Coil Weight	3MT-14MT
Coil ID	508mm/610mm
Chemical Treatment	Chromated(Cr 3+,6+,0+)
Surface	Skin pass/non skin pass
Oil	Slight Oiled/Dry
Spangle	Regular/Zero/Big
Zinc Coating	Z40-Z300
Capacity	1,500,000MT/year

Q: What are the common methods of slitting steel coils?: There exists a variety of methods for slitting steel coils, each possessing their own distinct advantages and applications. 1. Rotary Shear Slitting: This technique utilizes rotary cutting knives to separate the steel coil. The coil is passed through the rotary shear machine, and the knives make simultaneous cuts along the coil's length. Rotary shear slitting is renowned for its high-speed operation and ability to handle thicker gauge materials. 2. Loop Slitting: Loop slitting involves introducing the steel coil into a looping pit, creating a loop of material. The loop is then pulled through a set of knives that make the cuts. This particular approach is commonly employed for thin gauge materials, providing precise cuts with minimal burr. 3. Drag Slitting: In drag slitting, the steel coil is fed through a series of driven rolls or drag pads, which maintain tension on the material. The coil is then guided through circular knives that perform the slits. Drag slitting is suitable for various steel gauges and offers good accuracy and edge quality. 4. Crush Slitting: Crush slitting entails passing the steel coil through a set of rolls, with one roll being rubber-covered and the other being hard. The rubber roll compresses the material against the hard roll, resulting in the slits. This method is commonly utilized for thin gauge or delicate materials, as it minimizes the risk of edge damage. 5. Laser Slitting: Laser slitting employs a high-powered laser beam to make precise cuts on the steel coil. This method is highly accurate and enables complex slitting patterns and narrow width cuts. Laser slitting is frequently utilized for high-end applications that demand superior edge quality. Each of these methods possesses unique advantages and is selected based on factors such as material thickness, desired edge quality, production speed, and cost considerations. It is crucial to meticulously select the appropriate slitting method to ensure the desired outcome and efficiency in steel coil processing.

Q: Iron melts faster when there will be low carbon in Iron.During steel making the molten Iron gets purified and alloying being done through the process. How the carbon is being controlled at Iron melting stage and what it is called?: It's not really that hard. You can use your charcoal grill to do it. First build a large fire in it and then bury the steel in the coals. It'll only take about ten minuites or so for the steel to heat through. Then pick it out of the coals with tongs and drop it into a bucket of water. Repeat as desired. Eventually it'll get as brittle as glass. To fix this, you must anneal the metal. Again heat the metal in the coals, only this time let it stay there until the coals go all the way out all by themselves. Next day when all the way cool, Take it out and clean it off. Viola!, you have hardened steel.

Q: What are the common uses of pre-painted steel coils?: Pre-painted steel coils are commonly used in various industries such as construction, automotive, and appliance manufacturing. They are primarily utilized for exterior and interior building applications, including roofing, siding, and wall panels. Additionally, pre-painted steel coils find extensive usage in producing automotive parts, such as body panels and structural components. The coils are also employed in the manufacturing of appliances like refrigerators, ovens, and washing machines, providing a durable and aesthetically pleasing finish.

Q: can steel boil and turn into a gaseous state?? if so how hot does it have to be for it to boil: well what for yo? melting point of steel is 800 degrees, oxidation being 1400 degrees.

Q: What are the different types of steel coil surface treatments for outdoor applications?: There are several types of steel coil surface treatments suitable for outdoor applications. These include galvanization, which involves coating the steel with a layer of zinc to protect against corrosion; zinc-aluminum alloy coating, which provides enhanced corrosion resistance; paint coating, which adds a layer of protective paint to the steel surface; and organic coating, which uses a polymer-based material to protect against weathering and corrosion.

Q: every time i look for steel over the internet like to build cars motorcycles ect i only get steel pipes where can i get steel sheets: This okorder /... Most towns have a steel supply house/ business, check your yellow pages. Also check with local welding and machine shops. They can give you ideas and or their suppliers. They often have bits and pieces that you might buy, instead of ordering a full sheet of material. Wingman

Q: Are steel-capped boots safer than non-capped ones when working with horses? I have been told that sometimes if a horse steps on you, the steel crushing into your foot is more dangerous than if you just had normal wellies on, as at least with normal wellies there is some flexibility. Any horsey people out there got any experience with this? Thanks!: Hey Bunny:) Glad you asked! I know of no one ,at all,that thinks steel toes are better than good reflexes and the ability to move faster! Wellies give flex,Sport shoes give speed, Jods(Paddocks) are the work boot of choice..and if there is one thing we know about horses, nothing happens in slo-mo! There is a fiberglass toe protector a person could use.. I guess..not this person though. Added to the factor that they have that bumpy sole not suited for riding, and a bad heel, and are just plain too heavy. And ankles! nothing special there. My flatmate(roomie) is an Equine reproduction Vet and a Polo Player, and no-one there has anything but jods and wellies. No clunky boots please:) Come to think of it, its been years since Ive mashed a foolish toe..and that takes into account trailering vetting and young-stock work....Yes I vote for movement over safety ** there are no horse-goods for sale with toe caps ** Three cheers for mobility bunny! (and wellies disinfect real nice too)

Q: What are the common coil defects and their causes?: Common coil defects include: 1. Coil breaks: These are caused by improper handling, excessive tension, or defects in the raw material. They result in breaks or fractures in the coil. 2. Edge waves: Edge waves occur due to uneven tension during winding, improper coil alignment, or excessive elongation. This leads to wavy or uneven edges in the coil. 3. Buckling or wrinkling: Buckling or wrinkling can be caused by excessive elongation, improper winding tension, or uneven cooling. It results in irregularities or folds in the coil surface. 4. Slivers: Slivers are thin strips of material that can be present on the surface of the coil. They are typically caused by poor shearing or cutting processes, improper cleaning, or debris in the production line. 5. Oil spots: Oil spots are oily or greasy stains that can appear on the coil surface. They are usually caused by inadequate cleaning or lubrication during the manufacturing process. 6. Coating defects: Coating defects can include uneven or inconsistent coating, bubbles, or peeling. These defects can be caused by issues with the coating application process, improper drying or curing, or contamination in the coating material. It is important to address these coil defects promptly to ensure product quality and prevent further issues during subsequent processing or usage.

Q: How are steel coils used in the production of consumer goods?: Steel coils are used in the production of consumer goods as raw materials for various manufacturing processes. They are often shaped, cut, or formed into different components and parts that go into products such as appliances, automobiles, furniture, and construction materials. Steel coils provide strength, durability, and versatility, making them essential in creating high-quality consumer goods.

Q: I have a set of steel pans with copper bottoms. When I cook with oil it always burns the oil to the pan and takes days to clean. I don't think I should use steel wool, since it might scratch the surface. Does anyone know a faster way to clean scorched oil off a steel pan?: Get a can of Barkeeper's Friend. It's a powdered cleanser. It's gentle enough to be used on a ceramic cook top but still strong enough to get metal clean. Cheap and made from rhubarb leaves! Dampen the pan with water, sprinkle generously and smear around with a sponge with one of those non-stick safe nylon scrub pads. Wait about 10-15 minutes to let the product do some of the work for you. Come back and give it a good scrub. Reapply if necessary. I have all stainless steel cookware and use the Barkeeper's to keep them looking nice; especially since they are on display with my pot rack. I also have some copper pieces used for decoration and I use the Barkeeper's to keep them looking nice. It cleans them up faster and better than any of the homemade concoctions or metal cleaners without the residue. And I do use it on my ceramic cook top too! Be sure to wash and rinse the pan after you get it clean; it does leave a haze if you don't.

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