Hot Rolled Galvanized / Colored Coated Steel Coil

Hot Rolled Galvanized / Colored Coated Steel Coil

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Basic Info.

Surface Treatment:Galvanized

Width:600--1500mm

Export Markets:Global

Additional Info.

Packing:Sea Worth Packing

Origin:China(Mainland)

HS Code:7210700000

Product Description

Name: Steel coil, GI, Galvanzied steel coil,

Base Material: Hot DIP Al-Zinc coated steel sheet (AZ)

Hot DIP galvanized steel sheet (HDG)

Coating Mass: Zinc: 60-275G/M2, Al-Zn: 60-180G/M2.

Thickness: 0.21-1.55mm

Width: 600-1250mm

Internal Diameter: 508mm, 610mm

Quality standard: EN10142, EN10326, EN10169,

JIS3302, ASTMA755M, GB/T12754

Steel Grade: DX51D, DX52D, DX53D, S220GD, S250GD, SGCC

Surface Finish: Normal spangle,

Minimized spangle

Skin-passed spangle,

No spangle

Surface Treatment: Chromate-passivated (C)

Oiled (O)

Chromate-passivated + Oiled (C+O)

Untreated (U)

Anti-finger treatment

Phosphate treated(P)

Weight of coil: 1-8 MT

Package method: Vertical, Horizontal

Hot Rolled Galvanized / Colored Coated Steel Coil

FAQ:

Acceptable payment term and way?

T/T,L/C, T/T + L/C, D/P

Acceptable price term

FOB CNF CIF DDU CPT
Do you accept OA payment terms?

Yes, sure, but it normally depending on the order value
Do you have QC team?

Yeah, sure, our QC team is very important, they will keep the qualitycontrol for our products.
What is the validity of your quotation?

Normally 7 days.
What is your advantage?
24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent
What is your acceptable payment term?

TT,LC,OA etc

Q: What are the different methods of transporting steel coils?: There are several methods of transporting steel coils, including using flatbed trucks, railcars, and ocean vessels. Flatbed trucks are commonly used for short distances and local deliveries, while railcars are utilized for longer distances and intermodal transportation. For international shipments, steel coils are typically transported on ocean vessels, either in containers or as breakbulk cargo. The choice of method depends on factors such as distance, destination, and cost-effectiveness.

Q: What are the main factors that affect the corrosion resistance of steel coils?: The main factors that affect the corrosion resistance of steel coils include the composition and purity of the steel, the presence of alloying elements, the surface condition and finish of the coils, the exposure to moisture and corrosive substances, and the protective coatings or treatments applied to the steel.

Q: How are steel coils used in the production of storage racks?: Steel coils are used in the production of storage racks as they serve as the primary raw material for manufacturing the rack components. These coils are typically cut and formed into various structural shapes, such as uprights, beams, and crossbars, which are then assembled to create the storage rack system. The strength and durability of steel make it an ideal material for supporting heavy loads, ensuring the stability and longevity of the storage racks.

Q: What are the different methods of shearing steel coils?: There are several different methods of shearing steel coils, each offering its own unique advantages and disadvantages. Some of the most common methods include: 1. Guillotine Shearing: This method involves using a guillotine-like machine with a blade that moves vertically to cut through the steel coil. Guillotine shearing offers high efficiency and accuracy, making it suitable for large-scale industrial production. However, it may cause deformation or burrs on the cut edges. 2. Rotary Shearing: In rotary shearing, a set of rotating blades is used to cut through the steel coil. This method allows for continuous cutting, making it ideal for high-speed production lines. It provides a clean and precise cut, but it requires regular maintenance and sharpening of the blades. 3. Slitting: Slitting involves passing the steel coil through a set of circular blades that make multiple parallel cuts. This method is commonly used to produce narrower strips from wider coils. It offers high precision and can produce multiple strips simultaneously. However, slitting may cause edge burrs or camber on the strips. 4. Laser Cutting: Laser cutting uses a high-powered laser beam to melt or vaporize the steel coil along a pre-determined path. This method offers exceptional precision and can cut complex shapes or patterns. It is commonly used for specialized applications where accuracy is crucial, although it can be relatively expensive. 5. Waterjet Cutting: Waterjet cutting utilizes a high-pressure stream of water mixed with abrasive particles to cut through the steel coil. This method is versatile and can handle various materials and thicknesses. It is especially useful for cutting heat-sensitive materials or for applications requiring minimal distortion. 6. Plasma Cutting: Plasma cutting involves ionizing a gas to create a plasma arc that melts and blows away the steel coil. This method is fast and efficient, suitable for cutting thick steel coils. However, it may produce a wider heat-affected zone compared to other methods. 7. Electrical Discharge Machining (EDM): EDM uses electrical discharges to erode the steel coil and create the desired shape. This method is commonly used for intricate or delicate cutting tasks that require high precision. It is particularly effective for hard materials. Each method of shearing steel coils has its own set of advantages and limitations, and the choice depends on factors such as the required precision, speed, material thickness, and the desired end-product.

Q: How are steel coils inspected for quality control?: Steel coils are inspected for quality control through various methods. One common method is visual inspection, where trained professionals visually examine the coils for any surface defects, such as scratches, dents, or discoloration. Additionally, non-destructive testing techniques like ultrasonic testing are used to detect any internal defects, such as cracks or voids. Dimensional measurements are also taken to ensure the coils meet the required size and thickness specifications. These comprehensive inspections help ensure the overall quality and integrity of steel coils before they are used in various industries.

Q: what is the chemical process that makes steel harder when it is heated and cooled rapidly?what does the heating of it do to the atoms?what does the cooling of it do to the atoms?what makes tempered steel so strong compared to untempered steel?: You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.

Q: Steel is a mixture of Iron Carbon . So , is steel a metal or non - metal ?: steel is an alloy - mix of two meatls alloy is a mixture and metal is an element so no comparision

Q: I Don't have a Oxy act. torch but can Get a Propane one. The finished part(s) are .375 x .550 x .185: *Hardening: okorder /... AISI 12L14 : Category :Steel Class :Carbon steel Type :Standard resulfurized and rephosphorized Common Names :Lead steel Designations: Germany: DIN 1.0718 Italy: UNI 9 SMnPb 23 Japan: JIS SUM 22 L , JIS SUM 24 L Sweden: SS 1914 United States: ASTM A108 , ASTM A29 , SAE J403 , SAE J412 , SAE J414 , UNS G12144 Composition : Element / Weight % C / 0.15 (max) Mn / 0.85-1.15 P / 0.04-0.09 S / 0.26-0.35 Pb / 0.15-0.35 Mechanical Properties : Properties / Conditions / T (°C) /Treatment Density (×1000 kg/m3) 7.7-8.03 / 25 Poisson's Ratio 0.27-0.30 /25 Elastic Modulus (GPa) 190-210 / 25 Tensile Strength (Mpa) 540 / 25 /cold drawn (round bar (19-38 mm)) Yield Strength (Mpa) /415 Elongation (%) /10 Reduction in Area (%) /35 Hardness (HB) 163 /25 /cold drawn (round bar (19-38 mm)) *Rod- 12L14 Case Hardened to Rockwell C 58-62 Case Depth .060 Sleeve - 12L14 Case Hardened to Rockwell C 58-62 Case Depth .060 Blade - 12L14 Case Hardened to Rockwell C 58-62 Case Depth .030 Quantity 5000 Rods: Weight per piece .8 ounce (Total 250 pounds) 5000 Sleeves: Weight per piece 1.8 ounce (Total 563 Pounds) 5000 Blades: Weight per piece .3 ounce (94 pounds) Total weight of RFQ 907 pounds 12L14 Steel.

Q: hello, I am trying to figure out what wok to get and came across a website that offers many woks out of different materials. what is the best, or considered original (traditional)? I have a couple of cast iron pots and pans - too heavy, so I am assuming it will take some time for a cast iron wok to heat up. what about carbon steel and stainless steel? Thanks: 1. Do not buy stainless Steel wok. Stainless steel is a poor conductor of heat. 2. Cast iron is traditional. It is heavy and takes long to heat and cool. You can get used to heating cooling, but weight can be a problem. I would not buy cast iron. 3. You may not believe this but carbon steel is also traditional and most widely used wok. Normally, a good wok is pounded out of high carbon steel thick stock. The pounding leaves thick bottom and gradually thinner walls. It is a good conductor of heat, easy to heat and cool, and light weight to mange taking off the heat when needed. I recommend buying high carbon steel wok

Q: How are steel coils used in the manufacturing of food processing equipment?: Steel coils are used in the manufacturing of food processing equipment as they provide strength, durability, and resistance to high temperatures. These coils are often used to construct the frames, structures, and components of food processing machinery, ensuring stability and reliability during the manufacturing process.

Send your message to us

*Email

*TEL

*Quantity

*Unit