High Quality Galvanized Steel Sheet Gi Coil

High Quality Galvanized Steel Sheet Gi Coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:ST010

Surface Treatment:Galvanized

Certification:ISO, SGS, BV, RoHS, IBR

Technique:Cold Rolled

Standard:ASTM, JIS, GB, AISI, DIN

Application:Packing,Gutter Ect.

Edge:Mill

Stock:Stock

Steel Grade:Q195

THK:0.13-3mm

Width:10mm-550mm

Inner Diameter:200mm to 600mm

Export Markets:Global

Additional Info.

Trademark:TRANDA

Packing:Wood Pallets

Standard:OEM

Origin:China

Production Capacity:30000 Tons Each Month

Product Description

1. Thickness: 0.18-1.5mm;
2. Width: 50-914mm;
3. Hardness: 380MPa-450MPa;
4. Specification: 0.35*50, 0.4*45, 0.4*65, 0.4*68, etc.;
5. Surface waxed and edges deburred;
6. Standard: As per buyers' specifications among Q195-Q345B in the GB standard;
7. Package: Inner is protect humidity-proof waw paper, medium is plastic film, outer is sackcloth or compound paper packing, or as per customer's requirements.

Standard	AISI, ASTM, BS, DIN, GB, JIS, etc
Grade	SGCC, DX51D, DX53D, DX54D, etc
Thickness	0.14-2.5mm
Width	less than 600mm
Inner Diameter	508/610mm
Coil Weight	1.5-4.0T
Zinc Coating	60g/m 2 -180g/m 2
Spangle State	regular spangle, small spangle, big spangle, non-spangle
Surface Treatment	Chromate, Oil, Lacquer Seal, Phosphating, etc

High Quality Galvanized Steel Sheet Gi Coil

FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.

Q:What are the challenges in coil leveling for coated steel?: To achieve high-quality, flat, and smooth coils, several challenges must be addressed in the process of coil leveling for coated steel. The first challenge lies in the potential damage to the coating during leveling. Coated steel coils are typically covered with materials like zinc or paint, which are susceptible to scratching or marring if mishandled. The leveling process involves passing the coil through a series of rolls, which can cause friction, abrasion, or other mechanical harm to the coating. Therefore, it is crucial to meticulously control the speed, pressure, and alignment of the rolls to minimize coating damage. The second challenge stems from the variations in thickness across the coil. Coated steel coils often exhibit thickness discrepancies due to inherent material properties or production methods. These variations can lead to uneven leveling, resulting in coils with waviness or inconsistent flatness. Achieving uniform leveling across the entire coil surface is vital to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of shape distortion. The coating processes can introduce stresses into the steel, causing the coil to warp or distort during leveling. This distortion can lead to coils with irregular edges or uneven flatness. Proper control of leveling process parameters, such as the number of passes and applied tension, is necessary to minimize shape distortion. Furthermore, the coil leveling process can generate internal stresses in the steel, especially in cold-rolled or heat-treated coated steels. These internal stresses can result in coil spring-back, where the coil attempts to revert to its original shape after leveling. Spring-back can cause coils with undesired curvature or inconsistent flatness. Effective strategies, such as stress relief annealing or employing counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Lastly, handling and storing coated steel coils pose challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions, such as humidity, temperature, and exposure to corrosive substances. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In conclusion, the challenges in coil leveling for coated steel involve minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges necessitates precise control of process parameters, the application of suitable leveling techniques, and strict adherence to quality control measures throughout the entire process.

Q:How are steel coils inspected for weldability?: Steel coils are inspected for weldability through a series of comprehensive tests and examinations. The main objective of this inspection is to assess the quality and suitability of the steel coils for welding processes. Firstly, visual inspection is conducted to identify any visual defects or irregularities on the surface of the coils. This includes checking for surface roughness, cracks, scratches, or any other imperfections that may affect the weldability. Next, destructive testing methods such as tensile testing and impact testing are performed. Tensile testing measures the strength and ductility of the steel, ensuring it meets the required mechanical properties for welding. Impact testing evaluates the steel's resistance to brittle fracture, which is crucial in determining its weldability. Furthermore, non-destructive testing techniques such as ultrasonic testing (UT) and magnetic particle inspection (MPI) are employed to detect internal defects and discontinuities. UT uses high-frequency sound waves to identify any hidden flaws within the steel, while MPI utilizes magnetic particles to identify surface and near-surface defects. Additionally, chemical analysis is carried out to determine the steel's composition and ensure it meets the required specifications for welding. This analysis involves checking the levels of carbon, manganese, sulfur, and other elements that may affect the weldability and overall performance of the steel. Moreover, weldability testing is performed to evaluate the steel's response to welding processes. This involves conducting various welding trials using different techniques and parameters to determine the steel's behavior during welding, such as its susceptibility to cracking, distortion, or other welding-related issues. Overall, the inspection of steel coils for weldability is a multi-faceted process that combines visual, destructive, non-destructive, chemical, and weldability testing methods. By conducting these thorough inspections, manufacturers can ensure that the steel coils meet the required standards and are suitable for welding applications.

Q:I am in the market for a good hunting knife under $100. I am primarily looking for a knife that will keep it's edge. What type of steel should I be looking for?: Take a close look at the Cold Steel Master Hunter. I can't wait for my hunting knife to die so I can go get one.

Q:What is stainless steel 316, and what are its properties and uses?: if you want to know details, try looking it up in wikipedia. It's not a reliable source for everything, but truly technical stuff is good. It lists the exact range of elements, heats, and other things, as well as uses and things it shouldn't be used for.

Q:Well im currently doing a project. Wanna help me? Because trust me, i really need it. You know how steel was created in China? If you didnt, you just learned something newww(: but anyways got any info on that? Websites? or just info from websites? Well lemme know because if its the best you get Best Answer Easy points right? (: Okay thanksss (:: Steel is created in a primitive way whenever iron oxide ore (red dirt) is mixed with wood and burned. Seemingly everyone has a pet theory how their own selected country was the first to notice and do it on purpose. Regards, Larry.

Q:I have one and need info about it??....It has a wooden case around the steel necks.and 20 strings,Twin Tens.: well, it was made sometime before 1981, because that's when Fender quit making 10 string steel guitars. Without any more information than what you've given me, it could be the Pedal 2000, the PS210, or the Artist Dual 10. Fender made steel guitars from the 1950s through 1981, so it could be from any time in there. I hope you have the pedals with it. The 10-string and dual 10-string models were quite expensive in their day. Unfortunately, if you're thinking of reselling it, you're probably not going to get a lot of money for it unless you find a pedal steel player, and like I said, having all the pedals is very important in that case. Anyway, hope this helped. Good luck. If I were you I'd learn to play it. Pedal steel players are always in demand.

Q:How are steel coils processed for edge conditioning or slitting?: Steel coils are processed for edge conditioning or slitting through a series of mechanical operations. The process involves unwinding the steel coil, leveling it to remove any deformities, and then passing it through a slitting machine to cut it into narrower strips. For edge conditioning, the strips are further processed to remove burrs and create smooth, precise edges. Overall, these processes ensure that steel coils are transformed into accurately sized and finished products suitable for various industrial applications.

Q:What are the common quality issues with steel coils?: Some common quality issues with steel coils include: 1. Surface defects: Steel coils may have surface defects such as scratches, pits, or rust spots. These defects can affect the appearance and smoothness of the final product and may also impact its performance. 2. Dimensional variations: Steel coils may exhibit dimensional variations, such as thickness variations, width variations, or length variations. These variations can lead to difficulties in processing the steel and may result in inconsistent product dimensions. 3. Mechanical properties: Steel coils may have variations in mechanical properties such as yield strength, tensile strength, or hardness. These variations can affect the strength and durability of the final product and may also impact its suitability for specific applications. 4. Coating issues: Steel coils that are coated or galvanized may experience issues with the coating, such as uneven coverage, peeling, or adhesion problems. These coating issues can result in reduced corrosion resistance and compromised aesthetics. 5. Internal defects: Steel coils may have internal defects such as inclusions, voids, or segregations. These defects can weaken the steel and may lead to failure or breakage during processing or use. 6. Edge issues: Steel coils may have edge defects, such as burrs, cracks, or uneven edges. These edge issues can affect the handling and processing of the steel and may also lead to problems during fabrication or assembly. 7. Coil set or camber: Steel coils may exhibit coil set or camber, which refers to the curvature or bowing of the coil. This can result in difficulties during processing and may lead to distorted or misaligned products. To ensure the quality of steel coils, manufacturers employ various quality control measures such as rigorous inspection, testing, and adherence to industry standards and specifications.

Q:My boyfriend is a loyal follower of this guy called Dr. Steel.: Dr. Steel is an extremely complex phenomenon, a bit of a metaphorical nesting doll. On the surface, Dr. Steel can appear to some as simply a method actor musician with an over-the-top gimmick. Just underneath that facade lies an enigma; he makes some people wonder if he's really serious, just trying to entertain, or completely barking mad. But underneath the second facade, Dr. Steel is really acclaimed comic-book writer and chaos magickian, Grant Morrison. Make no mistake, he really thinks he is Dr. Steel. He has taken method acting and ceremonial magick to the highest levels, and fully intends to take over (or make over) the world. What's more, in the three short years since handing over his comic-book authorship to a ghost writer, he has amassed tens of thousands of followers worldwide. I've done several polls among Dr. Steel fans, and the results show that for every one person who has officially signed up, there are ten more loyal followers who have not.

Q:How are steel coils used in the production of structural components?: Structural components heavily rely on steel coils throughout the production process. These coils, made from rolled steel strips, serve as the essential raw material for manufacturing various components like beams, columns, and trusses. The initial step in utilizing steel coils for structural components involves uncoiling the strip and cutting it into desired lengths. This can be achieved using diverse cutting methods, such as shearing or sawing. Once the coils are cut into appropriate lengths, they undergo further processing to shape them into specific structural components required for a particular project. One prevalent approach to shaping steel coils into structural components is through bending or forming. This necessitates the use of specialized machinery to bend or shape the steel into the desired configuration. For instance, a steel coil can be bent into an I-beam shape, commonly employed as a load-bearing component in buildings and bridges. Another technique employed for shaping steel coils into structural components is welding. This involves joining multiple steel coils together to create larger components. Welding is often employed to fabricate components like columns or trusses, which demand the combination of multiple steel coils to achieve the required strength and structural integrity. Once the steel coils have been shaped and formed into the desired structural components, they may undergo additional processes, including surface treatment or coating, to enhance their durability and resistance to corrosion. This ensures that the components will endure and withstand the demands of their intended applications. In conclusion, steel coils are crucial in manufacturing structural components as they provide the necessary raw material. Through cutting, bending, and welding processes, steel coils are transformed into the specific components needed for various construction projects. These components play a vital role in supporting the structural integrity of buildings, bridges, and other structures.

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