• Cold Rolled/Hot Dipped Galvanized Steel Coil System 1
  • Cold Rolled/Hot Dipped Galvanized Steel Coil System 2
Cold Rolled/Hot Dipped Galvanized Steel Coil

Cold Rolled/Hot Dipped Galvanized Steel Coil

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
23 m.t.
Supply Capability:
50000 m.t./month

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Specification

Standard:
ASTM,JIS
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Galvanized,Color Coated,Oiled,Dry
Steel Grade:
Q195,Q215,Q235,400 Series
Certification:
ISO,SGS,BV,CE
Thickness:
0.18mm-1.8mm
Width:
1000mm-1600mm
Length:
according to weight
Outer Diameter:
according to weight
Net Weight:
23mt
Packaging:
Standard Export Packing
Galvanized & Colourful Corrugated Roofing Sheet/Plate/Coil
  
Thickness0.12mm-3.5mm
Thickness tolerance±0.02mm
Width600--1500mm
Width tolerance±2mm
Length1-6m or in coil
Zinc coating40g/m2-275g/m2
TypesCommercial / Drawing / Deep Drawing / Structural quality
QualitySoft or hard quality
StandardASTM, AISI, DIN, GB,JIS
Material

SGCC, DX51D,DX52D, DX53D,SGCD , Q195, Q235, SGHC, DX54D, S350GD, S450GD,

S550GD, etc

Spangle StateRegular spangle, small spangle, big spangle, non-spangle
Surface treatmentchromed / oiled/slightly oiled/ dry/ anti-fingerprint etc 
Coil weight3-8ton or up to you
Coil ID:508 /610mm
PackingStandard exportation packing
Min orderAs per specification

Product Picture

Cold Rolled/Hot Dipped Galvanized Steel Coil

Cold Rolled/Hot Dipped Galvanized Steel Coil

FAQ

1. Q: What's the MOQ?

A: Our MOQ is 25mt.  

2. Q: What's the delivery time?

A: It will take about 30 days after TT or L/C.  

3. Q: What is the payment terms?

A: T/T, L/C at sight

4. Q: How does your factory carry out quality control?

A: We attach great importance to quality control.Every part of our products has its own QC.

5. Q: What certificate do you have?

A: We have SGS, ISO9001 etc. Also we can apply any certificate if you need if the qty is OK.


Q: How can defects in steel coils be detected?
Defects in steel coils can be detected through various methods such as visual inspection, ultrasonic testing, magnetic particle inspection, eddy current testing, and radiographic testing. These techniques help identify surface defects, internal flaws, cracks, or any other abnormalities that may affect the quality and strength of the steel coils.
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: What are the different methods of coil welding for steel coils?
There are several different methods of coil welding for steel coils, including resistance welding, laser welding, and induction welding. Resistance welding involves applying pressure and passing an electrical current through the coils to create a weld. Laser welding utilizes a high-powered laser beam to melt and fuse the edges of the coils together. Induction welding involves using electromagnetic fields to heat and fuse the coils. Each method has its own advantages and is chosen based on the specific requirements of the application.
Q: What are the dimensions of steel coils used in the agricultural structure industry?
The dimensions of steel coils used in the agricultural structure industry can vary depending on the specific application and requirements. However, common dimensions range from 0.5mm to 3mm in thickness and 600mm to 1500mm in width.
Q: How are steel coils used in the construction of buildings?
Steel coils are used in the construction of buildings primarily for their strength and durability. These coils are typically formed into beams, columns, and other structural components, providing a sturdy framework. Additionally, steel coils can be shaped into sheets or plates used for roofing, walls, and flooring, offering excellent resistance to weather and fire. Overall, steel coils play a crucial role in ensuring the stability and longevity of buildings.
Q: Can steel coils be used in electrical applications?
Certainly, electrical applications can make use of steel coils. In the realm of electrical circuits, steel coils often serve as magnetic cores in transformers and inductors, which are indispensable components. The steel employed in these coils typically consists of high-quality electrical steel, possessing distinct magnetic attributes, including low core losses and high permeability. These attributes empower the steel coils to efficiently transmit electrical energy between various circuit components. Furthermore, steel coils can also find utility in other electrical applications, such as the construction of electric motors and generators. Taking everything into account, steel coils are extensively employed in electrical applications due to their magnetic properties and their capacity to handle high currents and temperatures.
Q: The steel is orangish in colour and is mostly made of copper
Steel is an alloy of iron and carbon and optionally one or more of numerous other materials. Copper is normally not used, except sometimes in small percentages. Steel is never yellow or orange in color. Reactivity of steel depends on the materials it is alloyed with. Chromium and nickel with steel make stainless steel, which is much less prone to reactive than iron. .
Q: What are the challenges in coil leveling for high-strength steel?
Coil leveling for high-strength steel poses several challenges that need to be addressed in order to achieve optimal results. One of the main challenges is the inherent hardness and strength of the steel itself. High-strength steel is specifically designed to have enhanced mechanical properties, such as tensile strength and hardness, which make it more difficult to deform and shape. The high-strength nature of the steel requires specialized leveling equipment that can apply sufficient force to overcome its resistance to deformation. This may involve using stronger and more durable leveling rollers or increasing the pressure exerted during the leveling process. Failure to apply the appropriate force can result in incomplete leveling, leading to residual stress and potential dimensional inaccuracies in the final product. Another challenge in coil leveling for high-strength steel is the potential for springback. Springback refers to the tendency of the material to revert to its original shape after being deformed. High-strength steel is particularly prone to springback due to its higher elastic modulus. This can result in uneven leveling and dimensional variations in the coil. To mitigate springback, advanced leveling techniques may be employed, such as overbending or pre-bending the steel. Overbending involves bending the steel beyond the desired level, allowing it to spring back to the desired shape. Pre-bending, on the other hand, involves intentionally bending the steel in the opposite direction before leveling it, counteracting the effects of springback. These techniques require precise control and expertise to ensure accurate leveling. Additionally, high-strength steel often has a more pronounced yield point, which is the stress level at which permanent deformation occurs. This can make it more challenging to achieve consistent and uniform leveling throughout the coil. Proper adjustment of the leveling equipment and careful monitoring of the leveling process are necessary to address this challenge effectively. Furthermore, high-strength steel coils are often thinner and more sensitive to surface imperfections. The leveling process must be carefully regulated to avoid causing damage to the steel surface, such as scratches or indentations. This may involve utilizing softer leveling rollers or implementing protective measures, such as cushioning materials or coatings, to prevent surface defects. In summary, the challenges in coil leveling for high-strength steel revolve around its inherent hardness, springback tendencies, yield point behavior, and sensitivity to surface imperfections. Overcoming these challenges requires specialized equipment, advanced leveling techniques, precise control, and expertise to ensure accurate and high-quality leveling results.
Q: How are steel coils manufactured?
Steel coils are manufactured through a multi-step process that involves heating and shaping steel slabs, followed by passing them through a series of rolling mills to reduce their thickness and increase their length. The coils are then cooled, inspected for quality, and finally, wrapped and ready for shipping.
Q: I have steel on my 9.5 ti now.. ive heard about synthetic being stronger but it snaps when it hits something sharp.. opinions people?
Steel is more dangerous, both in a fatal metal whip way and a metal splinters in my hand way. Steel weighs more. So why would anyone continue to use steel? Cost and care. Care: Steel can sit for years without having to worry about dry rot (as long as it's not out in too horrible of weather conditions). Steel is much more resistant to fraying. You don't have to baby steel so much to keep it in good conditions. Cost: As of right now, steel is less than half the cost of synthetic. A synthetic rope can cost as much as many electric winches which include a steel cable. I find that I don't use my winch nearly enough to warrent the extra care or cost of a synthetic. The weight savings would be nice, but I kind of ruined that a long time ago with the winch bumper, rock sliders, plate steel fenders/flares, belly armor and frame plating.

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