Galvanized Steel Coil Hold Rolled High-strength CNBM

Galvanized Steel Coil Hold Rolled High-strength CNBM

Ref Price:

Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 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

2.Packaging & Delivery

Packaging Details:	standard package
Delivery Detail:	1-4 week

3.Feature

galvanized coil steel
cold rolled galvanizing steel coil
galvanized iron steel coil

4.Specifications

Thickness	0.15mm--2.0mm
Width	50--1250mm
Zinc Coating	40gsm—275gsm
Spangle	Big, small regular spangle and zero spangle
Surface Treatment	Chromate, Galvanized, Skin Pass, Passivity and Oiled(un-oiled)
ID	508mm or 610mm
Coil Weight	3--7 Metric Tons and as requirements
Production	12,000 metric tons per month
More information of Galvanized Steel Coils/GI/PPGI/HDG
Payment Term	T/T or L/C (We usually charge 30% of the deposit first.)
Delivery Port	Qingdao Port or Tianjin Port
Delivery Time	Within 20 days after receipt of T/T or L/C
MOQ	25 metric tons or one 20 feet container
Application	General use, Color coating, Corrugated Roofing making, Outside of the buildings Structure, Deep Drawing and etc.
Ambition	Reliable product, Competitive price, On-time delivery and High standard service.

5.What is the application of Steel Coil?

There are two sides,one is out side: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth;the other is inside: Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter.

Q:were iron age weapons made of steel?: Even in very early iron, a small amount of steel was produced by carburization, where the iron picks up carbon by laying in hot coals before quenching. This produces a thin layer of steel on the surface of the iron. By about 300 BC Damascus steel was being produced by the crucible method on the Indian subcontinent, and the Romans used steel from Noricum. In the first century BC the Chinese were melting cast iron and wrought iron together to make steel.

Q:What are the challenges in welding steel coils?: There are several challenges in welding steel coils that need to be addressed in order to ensure successful and high-quality welds. One of the main challenges is achieving proper joint preparation. Steel coils often have different surface conditions, such as rust, scale, or oil, which need to be cleaned or removed before welding. This requires extensive cleaning and preparation to ensure a clean and sound welding surface. Another challenge is the control of heat input. Steel coils are typically thin, and excessive heat can cause distortion, warping, or even burn-through. Welding operators need to carefully control the heat input to prevent these issues and maintain the integrity of the coils. Moreover, the presence of residual stresses is a significant challenge. Steel coils are often subjected to various stresses during manufacturing, transportation, and handling, which can lead to distortion or cracking during welding. Adequate preheating and post-weld heat treatment may be necessary to relieve these stresses and prevent any potential defects. Ensuring proper weld penetration is also crucial. Steel coils may have varying thicknesses, and achieving consistent and adequate weld penetration throughout the joint can be challenging. Welding operators need to choose the appropriate welding parameters and techniques to ensure complete fusion and a strong bond. Lastly, the size and weight of steel coils can pose logistical challenges during welding. Handling large and heavy coils requires specialized equipment and proper positioning to ensure safe and efficient welding. Additionally, the length of the coils may require multiple passes or continuous welding, which demands skilled operators and precise coordination. Overall, welding steel coils requires careful attention to joint preparation, heat control, stress relief, weld penetration, and logistical considerations. Overcoming these challenges ensures the production of high-quality and durable welded steel coils.

Q:If i get a samurai sword made of carbon steel, what is the hardest thing i can hit before it breaks? Or will it not break?: Carbon steel is an alloy that is made up of the mixture of carbon and iron. In addition, several other elements with low maximum percentages are also included, such as manganese, with 1.65% maximum, silicon,with 0.60% maximum, and copper, with 0.60% maximum. Carbon Steel Pipe Fittings are utilized in a wide variety of applications across multiple industries. They are typically used in large shipyards, fabrication companies, chemical plants, oil refineries, machinery manufacturers, textile, and fluid transportation companies among others. They are highly cost-efficient and are much preferred over other fittings.

Q:How are steel coils processed for slitting or shearing?: Steel coils are processed for slitting or shearing by first unwinding the coil and then passing it through a set of rotating circular blades. The blades cut the steel coil into narrower strips, which are then either rewound into smaller coils (slitting) or cut into individual sheets (shearing). This process allows for the production of various sizes and shapes of steel products for different applications.

Q:What are the different methods of coil leveling?: Various industries commonly utilize several methods for coil leveling. These methods encompass: 1. Roller leveling: By passing the coil through a sequence of rollers, pressure is applied gradually, resulting in the gradual flattening of the coil. The rollers can be adjusted to exert varying levels of pressure, allowing for precise control over the leveling process. 2. Stretch leveling: This technique subjects the coil to tension forces, elongating the material and eliminating internal stresses. As the coil is stretched while passing through rollers, a more uniform and flat surface is achieved. 3. Temper leveling: Involving the heating of the coil to a specific temperature followed by rapid cooling, this method helps equalize stresses within the coil and enhance its flatness. Temper leveling is often employed for high-strength steels. 4. Roller leveling with leveling rolls: This approach utilizes additional leveling rolls placed above and below the main leveling rollers. These rolls apply pressure to specific areas of the coil, rectifying any unevenness or distortions. 5. Tension leveling: This method involves applying tension to the coil during processing. The tension aids in straightening and flattening the material, resulting in a more even and flat surface. 6. Precision leveling: Employed for high-precision applications necessitating extremely flat and uniform coils, precision leveling combines roller leveling, stretch leveling, and other corrective measures to attain the desired flatness. Each of these methods possesses unique advantages and limitations. The selection of a particular method depends on factors such as the type of material being leveled, the required flatness tolerance, and the intended application of the coil.

Q:Are steel coils susceptible to damage during storage or transportation?: Yes, steel coils are susceptible to damage during storage or transportation. Steel coils are often heavy and can be prone to deformation, bending, and scratching if mishandled. Additionally, improper stacking or securing during transportation can lead to shifting or movement of the coils, which can cause damage. Furthermore, exposure to moisture, extreme temperatures, or corrosive substances can also affect the integrity of the steel coils. Therefore, it is crucial to handle, store, and transport steel coils carefully to minimize the risk of damage and ensure their quality and usability.

Q:What is the weight of a standard steel coil?: The weight of a standard steel coil can vary depending on its dimensions and thickness. However, a typical standard steel coil can weigh anywhere between 3 to 25 tons.

Q:What are the common defects in steel coil surface finishes?: Common defects in steel coil surface finishes include scratches, pits, roll marks, stains, and unevenness. These defects can be caused by various factors such as improper handling, processing issues, or equipment malfunction. These surface defects affect the aesthetics and quality of the steel coil, making it unsuitable for certain applications or requiring additional processing to rectify the defects.

Q:I was curious to what type of steel I should get if I wanted something that kept its edge longer than 154cm but is still just as stainless. I don't know much about knife steels inform me please?: 154cm is a very good knife steel, the problem is in the heat treating. Stainless should be cryo treated to get all it can offer. That being said, if you really want to drop some coin, look at getting one made from CPM 440V. Stainless isn't as strong as carbon but on a smaller knife works well. You might also look for D-2 Tool steel. There are factory knives that are made of that.

Q:How do steel coils contribute to the manufacturing of household appliances?: Steel coils contribute to the manufacturing of household appliances by providing a durable and versatile material for various components. These coils are used to create the outer casings, frames, and structural parts of appliances like refrigerators, washing machines, and dishwashers. The strength and flexibility of steel coils ensure the longevity and stability of these appliances, while also enabling manufacturers to create sleek and attractive designs.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range