GALVANIZED STEEL COILS
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- Loading Port:
- Shanghai
- Payment Terms:
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Galvanized steel coil
Packaging & Delivery
Packaging Detail: seaworthy export package
Delivery Detail: on request
Specifications
1. more than 10 years’ experience on this field
2. advanced equipments
3. competitive price
4. soonest delivery
Product Description :
Commodity | Hot dip galvanized steel coil |
Technical Standard: | JIS 3302 / ASTM A653 / EN10143/ GB/T 2518 |
Grade | DX51D/ S250,280,320GD,SGCC,SGHC,SGH340,SGH400,SGH440,G450,G550 |
Types: | Commercial / Drawing / Deep Drawing / Structural quality |
Width | 900mm/1000mm/1219mm/1200mm/1220mm/1250mm |
Thickness | 0.2mm~4.0mm |
Type of coating: | galvanized |
Zinc coating | Z40-275g/m2,Z40-Z450g/m2 |
Surface treatment | chromed / skinpass/ oiled/slightly oiled/ dry/ |
Surface structure: | zero spangle / regular spangle/ big spangle |
ID coil | 508mm or 610mm |
Coil weight | 3-10/MT per coil |
Package: | Properly packed for ocean freight exportation in 20''containers |
Application: | home appliances, constructions, building, machineries |
Price terms | FOB,CFR,CIF |
Payment terms | T/T,L/C |
delivery time | 25~40days after deposit or the receipt the L/C |
Remarks | Insurance is all risks |
MTC will be handed on with shipping documents | |
We accept the third party certification test |
Our Advantages :
1. Expertise:
More than 10 years of manufacture: we know how to properly handle every step of production.
2. Competitive price:
We can offer competitive prices to our customers.
3. Accuracy:
We have excellent technicians and leaders, which can ensure our products are exactly what you want.
4. Materials:
All galvanized steel coils are made of high-quality raw materials.
5. Certificate:
Our products are certified by ISO9001.
6. Productivity:
We have large-scales of production lines,, which can guarantee all your orders will be finished in earliest time.
Our Production Line:
Hr CGL Technical Process:
Coil loading-> uncoiling-> cutting-> welding-> entry accumulator-> Heating and deoxidization-> galvanizing-> air cooling->water quenching-> air dryer-> tension leveler-> Passivation->air dryer->exit accumulator-> oiling-> cutting-> recoiling->coil unloading-> packing
The furnace heating style: improved Sendzimir heating technology
Hourly output: max.76.3t/h
Process after coating: tension leveling, Passivation or oiling
Our Service
Our quality
Test Equipments of Prepainted Galvanized Steel Coil : Salt-spray tester; Atomic absorption spectrophotometer; Rockwell typer hardness tester; Tensile test machine; Metrohm titration; Laboratory Bend test machine.
Our packing
Properly packed for ocean freight exportation in 20''container, galvanized metal fluted rings on inner and outer edges, galvanized metal & waterproof paper wall protection disk, galvanized metal & waterproof paper around circumference.
R&D department
R&D department concentrates on researching and developing reliable products with best quality. The quality department test and control every process of production to guarantee the best quality of products
Our Application
- Q:How are steel coils inspected for surface defects using non-destructive testing methods?
- Steel coils are inspected for surface defects using non-destructive testing (NDT) methods to ensure their quality and integrity. There are several common NDT methods employed in this process. One of the most widely used methods is visual inspection, where trained inspectors visually examine the surface of the steel coils for any visible defects such as scratches, cracks, pits, or corrosion. This method is relatively simple and cost-effective but is limited to detecting only surface-level defects. Another commonly used NDT method is magnetic particle testing (MT). This method utilizes the principles of magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. A magnetic field is applied to the steel coil, and iron particles are applied to the surface. If there is a defect, such as a crack or discontinuity, the iron particles will concentrate around it, making the defect visible to the inspector. Liquid penetrant testing (PT) is another NDT method used to inspect steel coils for surface defects. In this method, a liquid penetrant is applied to the surface of the coil. The penetrant is drawn into any surface defects by capillary action. After a certain period, excess penetrant is removed, and a developer is applied. The developer draws out the penetrant from any defects, making them visible to the inspector. Ultrasonic testing (UT) is a widely used NDT method that can detect both surface and subsurface defects in steel coils. High-frequency sound waves are transmitted into the steel coil, and the reflected waves are analyzed to identify any abnormalities. This method can detect defects such as cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method used for inspecting steel coils. This method utilizes electromagnetic induction to detect surface and near-surface defects. A coil carrying an alternating current is placed near the surface of the coil being inspected. Any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed, allowing the inspector to identify and evaluate the severity of the defects. In conclusion, steel coils are inspected for surface defects using various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing. These methods ensure the quality and integrity of the steel coils before they are used in various applications.
- Q:case hardening steel is adviced or thru hardening steel is most suitable?
- I don't know your application, but here is some advice. Case hard provides a hard shell around soft steel, depending on the bake, the case is usually .002-.008 thick. (thousands of an inch) Heat treated steel or tool steel is hard all the way thru. Case hardening, provides toughness with flexibility, however, once it's compromised, the part is scrap. Hardend tool steel is extreemly hard throughout and the harder it is, the more brittle it becomes. The application of the part will help you to determine the material needed. For instance; Plastic injection molds are very hard so the hot plastic wont erode them over years of use. Punch Press dies aren't as hard but are tougher to withstand the shock. Machine bolts are case hardened so they can last, but soft enough to allow some stretching during tightening. Either way, the time in mfg will be about the same. Most tool steels today cut like cheese, but take time to be heat treated. Tool steel will cost a bit more than low carbon steel. Low carbon steel is as machinable, and cheaper, but, again, the baking period is as long or longer than tool steel. There are a lot of materials on the market today that maintain the durability of heatreated steel without having to go thru that process. 4140, ( or chrome/moly) comes to mind. There are also some 400 series stainless that work as well, and others. You need to determine strength, flexibility, ease of mfg, cost and repairability when considering which steel to use.
- Q:What are the different types of steel coil finishing machines?
- There are several different types of steel coil finishing machines, each designed to perform specific tasks and achieve desired results. Some common types include: 1. Slitting Machines: These machines are used to slit large steel coils into narrower strips of desired widths. They consist of a set of circular blades that cut through the coil as it passes through the machine, creating multiple smaller coils or strips. 2. Cut-to-Length Machines: These machines are used to cut steel coils into specific lengths. They can be programmed to make precise cuts at predetermined lengths, ensuring accuracy and consistency. 3. Recoiling Machines: Recoiling machines are used to rewind steel coils into tight, compact rolls. They are typically used to create smaller coils from larger ones or to rewound coils that have become loose or damaged. 4. Edging Machines: Edging machines are used to remove excess material from the edges of steel coils, improving their overall appearance and ensuring consistent width throughout the coil. 5. Coating Machines: These machines are used to apply various coatings or finishes to the surface of steel coils, such as paint, galvanized coatings, or protective films. They often incorporate drying or curing systems to ensure proper adhesion and durability of the applied coatings. 6. Packaging Machines: Packaging machines are used to wrap or package steel coils for transportation or storage. They can wrap the coils in protective materials, such as plastic or paper, and secure them with strapping or other fastening methods. 7. Inspection Machines: These machines are used to inspect the quality and integrity of steel coils. They can detect defects, such as cracks, scratches, or surface irregularities, and provide feedback for quality control purposes. These are just a few examples of the different types of steel coil finishing machines available. Each machine serves a specific purpose in the steel coil finishing process, ensuring that the final product meets the desired specifications and quality standards.
- Q:What are the typical lead times for ordering steel coils?
- The typical lead times for ordering steel coils can vary depending on various factors such as the type and size of the coil, the supplier's production capacity, and the current market conditions. However, on average, lead times for ordering steel coils can range from a few weeks to several months. For standard-sized steel coils that are readily available in the market, lead times are generally shorter and can range from a few weeks to a couple of months. This is because suppliers often maintain a stock of these commonly used coil sizes to meet immediate customer demands. However, it's important to note that lead times can still be influenced by factors like transportation and logistics. On the other hand, if you require custom-made or non-standard steel coils, lead times can be longer. These coils usually involve additional processes such as specialized cutting, shaping, or coating, which may require more time for production. Lead times for custom-made steel coils can range from a few months to even six months or more, depending on the complexity of the specifications and the supplier's production capabilities. It's worth mentioning that lead times can also be affected by external factors like market demand and availability of raw materials. During periods of high demand or when there are supply chain disruptions, lead times may be extended as suppliers need to adjust their production schedules accordingly. To accurately determine the lead times for ordering steel coils, it is recommended to reach out to specific suppliers or manufacturers. They will be able to provide you with the most up-to-date and accurate information based on your specific requirements and the current market conditions.
- Q:I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc.Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
- This Site Might Help You. RE: Do they manufacture steel buckshot? I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc. Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
- Q:How are steel coils uncoiled?
- Steel coils are typically uncoiled using a mechanical device called a decoiler. The decoiler feeds the steel coil through a set of rollers, which gradually unwinds and straightens the coil, allowing it to be used for various applications.
- Q:Why is steel so important? How does it help us in everyday life?
- steel comes from iron. Iron is a natural resource and is abundent in nature. so being able to turn it into steel means it can be used for alllll sorts of things! from buildings, cars, piping and tubes, to washing machines, appliances and many other things. its used in our everyday life and is a great, strong material.
- Q:I have a bottle like this* Can u make hot chocolate in it. Can i heat it.I wanna take hot Chocolate to school
- Hot drinks only do well in an insulated thermos. Thermos's were designed for hot drinks. This stainless steel water bottle is not a thermos. You could put hot chocolate or coffee in the water bottle, but you'll burn your hand if you touch it. And, it will cool down very quickly.
- Q:What are the main factors that affect the surface quality of steel coils?
- The main factors that affect the surface quality of steel coils include the cleanliness of the steel surface, the presence of any defects or imperfections, the level of surface roughness, the coating or finishing applied to the surface, and the handling and storage conditions of the coils.
- Q:What are the different methods of punching steel coils?
- For punching steel coils, there are several methods available that vary depending on specific requirements and desired outcomes. The following are some commonly used methods: 1. Mechanical Punching: To create holes in the steel coil, a mechanical press is employed. This method involves utilizing a punch and die set, where the coil is subjected to force from the punch to create the hole. Mechanical punching is best suited for small to medium-sized holes and finds frequent use in high-volume production settings. 2. Hydraulic Punching: In hydraulic punching, hydraulic pressure is utilized to drive the punch into the steel coil. This method is commonly employed for punching larger holes or shapes that demand greater force. Hydraulic punching machines offer precise control and can handle thicker and harder materials. 3. Laser Cutting: Laser cutting is a non-contact technique that employs a laser beam to cut through the steel coil. By directing a focused laser beam onto the coil, the material is melted and evaporated to form the desired shape or hole. Laser cutting provides high precision and can be used for complex shapes and patterns. 4. Plasma Cutting: Plasma cutting involves the use of a high-velocity jet of ionized gas (plasma) to melt and remove the steel coil material. This method is suitable for cutting thicker steel coils and is often employed for larger holes or irregular shapes. 5. Waterjet Cutting: Waterjet cutting uses a high-pressure jet of water mixed with abrasive particles to cut through the steel coil. This method is versatile and can effectively cut various materials, including steel. Waterjet cutting is renowned for its high precision and clean cuts. Each method of punching steel coils possesses its own advantages and considerations. Factors such as material thickness, desired precision, production volume, and cost will determine the most suitable method for a specific application.
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GALVANIZED STEEL COILS
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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