Galvanized Steel Coil Cold Rolled Dx51d CNBM

Galvanized Steel Coil Cold Rolled Dx51d 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:How are steel coils inspected for bendability?: Steel coils are inspected for bendability through a combination of visual examination, mechanical testing, and dimensional analysis. Visual inspection involves identifying any visible defects such as cracks, dents, or surface irregularities that could affect the coil's bendability. Mechanical testing is conducted to measure the coil's resistance to bending and evaluate its flexibility. This includes performing bend tests to determine the coil's ability to withstand a specified degree of bending without breaking or cracking. Additionally, dimensional analysis is performed to ensure that the coil meets the required thickness, width, and length specifications, as these factors also impact its bendability.

Q:What are the different methods of perforating steel coils?: There are several methods used for perforating steel coils, each with its own advantages and applications. 1. Mechanical Punching: This is one of the most common methods used for perforating steel coils. It involves using a mechanical press to punch holes in the coil using a punch and die set. The size and shape of the holes can be customized based on the design of the punch and die set. Mechanical punching is efficient and can produce high-quality holes with consistent results. 2. Laser Cutting: Laser cutting is a popular method used for perforating steel coils, especially when complex hole patterns or intricate designs are required. It involves using a high-powered laser beam to cut through the steel coil, creating precise and clean holes. Laser cutting offers flexibility in terms of hole size, shape, and spacing, and it can be computer-controlled for precise and repeatable results. 3. CNC Plasma Cutting: This method involves using a high-velocity plasma jet to cut through the steel coil and create perforations. CNC (Computer Numerical Control) technology is used to guide the plasma cutter, enabling precise and accurate hole patterns. CNC plasma cutting is ideal for thicker steel coils and can produce larger holes compared to laser cutting. 4. Waterjet Cutting: Waterjet cutting uses a high-pressure jet of water mixed with an abrasive material to cut through the steel coil. This method offers versatility in terms of hole size, shape, and material compatibility. Waterjet cutting is known for its ability to produce intricate and precise perforations without heat-affected zones or distortion. 5. Electrical Discharge Machining (EDM): EDM is a method that utilizes electrical discharges to erode the material and create perforations in the steel coil. It involves using a conductive electrode and a dielectric fluid to generate controlled sparks that remove material and form holes. EDM can be used to create complex shapes and patterns and is particularly suitable for hard materials. The choice of method depends on factors such as the desired hole size and shape, the thickness and type of the steel coil, the required precision, and the production volume. Each method has its own advantages and limitations, and it is important to select the most appropriate method based on the specific requirements of the perforated steel coils.

Q:What are the different methods of surface inspection for steel coils?: There are several different methods of surface inspection for steel coils, each with its own advantages and limitations. Some of the most commonly used methods include: 1. Visual Inspection: This is the simplest and most basic method, where an inspector visually examines the surface of the steel coils for any defects such as scratches, dents, or discoloration. While this method is subjective and dependent on the skill and experience of the inspector, it can be a cost-effective option for detecting obvious surface defects. 2. Magnetic Particle Inspection (MPI): This method involves applying a magnetic field to the steel coil and then applying iron particles on the surface. Any defects or cracks in the surface will disrupt the magnetic field, causing the particles to gather at those areas and making the defects visible. MPI is particularly useful for detecting surface cracks and defects that may not be easily visible to the naked eye. 3. Eddy Current Testing (ECT): ECT is a non-destructive testing method that uses electromagnetic induction to detect surface defects on steel coils. A probe with a coil is placed near the surface of the coil, generating an alternating magnetic field. Any changes in the electrical conductivity or magnetic permeability of the steel due to surface defects will cause a change in the induced current, which can be detected and analyzed. ECT is effective for detecting cracks, corrosion, or other surface irregularities. 4. Ultrasonic Testing (UT): This method uses high-frequency sound waves to inspect the surface and subsurface of steel coils. A transducer sends ultrasonic waves into the steel, and the reflected waves are analyzed to detect any changes or anomalies in the material. UT can identify defects such as cracks, delaminations, or voids within the coil, providing valuable information about the overall structural integrity of the steel. 5. Optical Inspection: This method utilizes advanced imaging techniques, such as cameras or laser scanners, to capture high-resolution images of the surface of steel coils. These images can be analyzed for defects, such as scratches, pits, or other irregularities. Optical inspection can provide detailed information and is often used in conjunction with other methods for a comprehensive inspection. It is important to note that each method has its own limitations and may be better suited for specific types of defects or surface conditions. Therefore, a combination of these methods is often employed to ensure a thorough and accurate inspection of steel coils.

Q:How are steel coils inspected for flatness variations?: Steel coils are inspected for flatness variations using various methods such as visual inspection, measurement techniques, and automated systems. Visual inspection involves trained personnel visually inspecting the coil's surface for any irregularities or deviations from flatness. Measurement techniques involve using precision instruments such as straight edges, feeler gauges, or laser sensors to measure the flatness at different points along the coil's length. Automated systems use advanced technologies like laser scanning or optical sensors to quickly and accurately detect any flatness variations in the steel coils. These inspections help ensure that the coils meet the required flatness specifications and quality standards.

Q:What are the different methods of coil leveling?: The different methods of coil leveling include roller leveling, stretcher leveling, and temper leveling.

Q:what are the characteristics when of iron or steel when stretched? which one could be stretched further? which one stretches more evenly?thankyou: Steel is harder and more brittle than iron since it has impurities which disrupt the regular layers of atoms. This means that the iron will stretch further and more easily. This also means it will stretch more easily.

Q:can you play one?: Well, my digital piano has a Steel Guitar setting that makes it kind of sound like one, but other than that I know nothing about them.

Q:I have a steel garage, it looks worn out hauled away? How can I maintain / repair it?: The entire garage is steel? Garage door? Are you able to open and close it without too much trouble? If so, just keep it lubricated. You could paint the door to improve its appearance.

Q:What are the safety precautions to be taken while handling steel coils?: Some safety precautions to be taken while handling steel coils include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is important to use proper lifting techniques and equipment, such as forklifts or cranes, to avoid strains or falls. Coils should be stored on stable surfaces and secured to prevent them from rolling or falling. Additionally, workers should be trained on proper handling procedures and be aware of the potential hazards associated with sharp edges, heavy weight, and unstable loads.

Q:How are steel coils used in the shipbuilding industry?: Steel coils are used in the shipbuilding industry primarily for the construction of ship hulls, decks, and other structural components. These coils are typically processed and shaped into plates, beams, and other forms to provide strength and stability to the ship's structure. The high tensile strength and durability of steel make it an ideal material for shipbuilding, ensuring the vessel's ability to withstand harsh marine environments and heavy loads.

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