Prime Quality Hot-dip galvanized steel coil and sheet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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Commodity | Hot dip galvanized steel coil and sheet |
Technical Standard: | JIS 3302 / ASTM A653 / EN10143 |
Grade | DX51D / DX52D/ DX53D/ S250,280,320GD |
Types: | Commercial / Drawing / Deep Drawing / Structural quality |
Width | 500/650/726/820/914/1000/1200/1219/1220/1250mm |
Thickness | 0.12-2.8mm |
Type of coating: | Galvanized |
Zinc coating | Z30-275g/m2 |
Surface Treatment | Chromed / Skin-pass/ Oiled/Slightly Oiled/ Dry/ Anti-fingerprint |
Surface structure: | Zero spangle / minimized spangle / regular spangle/ big spangle |
ID coil | 508mm or 610mm |
Coil weight | 3-8 MT per coil |
Package: | Properly packed for ocean freight exportation in 20''containers |
Application: | Industrial panels, roofing and siding for painting |
Price terms | FOB,CFR,CIF |
Payment terms | T/T or L/C |
Delivery time | Within 30 days |
Remarks | Insurance is all risks |
MTC will be handed on with shipping documents | |
We accept the third party certification test,such as SGS/BV |
- Q:Can steel coils be custom-made to specific requirements?
- Yes, steel coils can be custom-made to specific requirements.
- Q:How are steel coils used in the production of industrial shelving?
- Steel coils are used in the production of industrial shelving as they are typically cut and shaped into various components, such as uprights, beams, and braces, which are then assembled to create sturdy and durable shelving units. The coils provide the necessary strength and stability required to support heavy loads and withstand the demands of an industrial environment.
- Q:What is the average surface finish tolerance for steel coils?
- The average surface finish tolerance for steel coils typically ranges from 0.5 to 1.5 micrometers.
- Q:I know that carbon steels and alloy steels are different but are carbon steels still alloys?Thanks!
- Yes. it's an alloy of iron and carbon. Carbon steel can either mean plain carbon steel which is steel that doesn't have significant amounts of other elements, like chromium, manganese, or molybdenum. It can also be used to refer to ANY steel that is NOT a stainless steel. Alloy steel is any steel that has greater than 1% of other elements added to it besides carbon. Stainless steel might be in a certain sense be considered alloy steel but I think most people in the steel business consider it as it's own separate material from carbon steels. Many stainless steels contain only trace amounts of carbon, so they should rightly be considered iron-chromium alloys, not steel, which by default refers to iron-carbon alloys. Note that nearly all modern carbon steels also contain 0.2%-0.5% manganese and silicon. Even steels that are otherwise considered plain carbon and not alloy steels. Mn and Si are added because they prevent defects in cast steel ingots, and hot rolled items like billets and plates. However at low levels they don't affect the properties of the steel greatly.
- Q:Will a stainless steel mesh screen scratch a titanium cup, or vice versa?I have a titanium french press and am thinking about replacing the included press with an all steel one. I am worried about little flakes of titanium or steel getting ground off into the coffee when the press slides in and out. The original press has a polyester cloth for a screen, so nothing scratches.
- Steel is usually harder than titanium, at least when both materials are hear-treated to give their best strengths. And a harder material can scratch a softer one. So I imagine that the answer is that it will scratch. However much of the rest of your question is unclear and it may be that the amount of friction between the two is so small that no wear will take place, so there could be no problem. The function of the polyester cloth may be vital in reducing this friction, so that unless you keep this part of the original design, the scratching will become worse no matter which combination of metals are used.
- Q:I have a white gold engagement ring, and to be special I thought I'd get a plain band from Tiffany's--in stainless steel. Can stainless steel be worn with white gold or will there be a difference in the color or texture? I'm not planning on getting them soldered together, but I don't want it to be noticeable that they are different metals. Does anyone have experience in this subject?
- I am a manufacturing Jeweller. Yes there is a difference in the colour between Stainless Steel and White Gold. The wear characteristics are also different so you will notice a difference in the wearing of the rings. I would doubt that tiffany's would make stainless steel rings. Most likely they are stocking Titanium rings, which look like stainless steel. But the same problems of colour and wear exist for that metal as well. Your best bet is to get a white gold ring , and check out other manufacturing jewellers first because you will not be getting an investment from Tiffany's. Their profit margin is that high you would get a nosebleed. the scrap value of a 5 gram 18ct white gold wedder is $120. anything over that is the profit margin of the jeweller. for a plain wedder I charge $20 per gram to make plus the gold so that would be a total cost of $220 for a 5 gram ring and $440 for a 10 gram ring. I hope this is good information to you Also you must ask what type of 18ct white gold are you getting? there is; Platinum alloy Palladium alloy Irridium alloy Nickel Zinc alloy or a combination of any or all of the above with prices accordingly
- Q:explain what happen if carbon steel is exposed to an oxygen rich atmosphere at elevated temperature inside a furnace.
- Assuming the steel isn't actually melted, two things will happen. First, a layer of iron(ii) oxide, FeO will slowly develop on the surface, getting thicker over time. This layer is usually poorly bonded to the metal surface, it tends to flake off, exposing fresh metal. This is known as mill scale, it's also known as wustite which is the mineral term. Second, the surface of the steel will become decarburized, essentially becoming pure iron, not steel. The depth of the decarburized layer depends on the temperature, time, and the diffusivity of carbon in the steel at the given temp. This has some implications to engineering, in hot-rolling or forging of steel shapes for example. It's often the case that the stress and strain in a material is greatest at or near the surface. Therefore the weakened, decarburized layer at the surface may have a much greater detrimental effect on the steel's performance than might be expected. In a more specific example, die and tool steels depend on their carbon content for their strength and wear resistance, Therefore if such steels are heated in an oxidzing atmosphere, wear resistance is totally destroyed: The thin decarburized iron layer will be extremely soft and malleable.
- Q:How are steel coils used in the production of bridges and infrastructure?
- Steel coils are an essential component in the production of bridges and infrastructure. These coils are made from steel, which is a strong and durable material that can withstand heavy loads and harsh environmental conditions. In bridge construction, steel coils are used to manufacture the structural components such as beams, girders, and columns. These components provide the necessary strength and support to the bridge, allowing it to carry the weight of vehicles, pedestrians, and other loads. Steel coils are rolled into the desired shape, cut to the required length, and then welded or bolted together to create these structural elements. Additionally, steel coils are also used in the fabrication of bridge decks, which are the roadways or walkways on the bridge. These coils are processed to form steel plates, which are then assembled and secured onto the bridge structure. The steel plates provide a smooth and durable surface for vehicles and pedestrians to travel on. In terms of infrastructure, steel coils play a vital role in the construction of various structures such as buildings, stadiums, and industrial facilities. They are used to fabricate the primary support systems, including columns, beams, and trusses, which provide the necessary strength and stability to these structures. Steel coils are also used to create roofing and cladding systems, ensuring protection against weather elements and enhancing the overall aesthetics of the infrastructure. Furthermore, steel coils are often used in the production of reinforcing bars, commonly known as rebar. Rebar is essential for reinforcing concrete structures such as foundations, walls, and slabs. These coils are processed into various sizes and shapes, and then embedded within the concrete to increase its tensile strength and prevent cracking or collapsing under heavy loads. Overall, steel coils are a critical component in the production of bridges and infrastructure. Their strength, durability, and versatility make them an ideal material for constructing safe and reliable structures that can withstand the test of time.
- Q:How are steel coils inspected for surface cleanliness using cleanliness tests?
- Steel coils are inspected for surface cleanliness using cleanliness tests to ensure that they meet the required quality standards. These tests involve various methods to assess the presence of contaminants, such as dirt, oil, grease, rust, or scale, on the surface of the steel coils. One commonly used cleanliness test is the visual inspection, where trained inspectors visually examine the surface of the coils for any visible contaminants. They look for any signs of staining, discoloration, or foreign substances that may affect the quality of the steel. Another cleanliness test is the wipe test, where a clean cloth or wipe is used to wipe the surface of the steel coil. This cloth is then analyzed for the presence of contaminants using techniques like gravimetric analysis or solvent extraction. The amount of contaminants collected on the cloth can be measured, providing an indication of the cleanliness of the steel surface. Surface roughness tests are also performed to assess cleanliness. A roughness gauge is used to measure the roughness of the steel surface, which can indirectly indicate the presence of contaminants. If the surface roughness measurements are higher than the specified limits, it suggests the presence of contaminants affecting the cleanliness of the steel. In addition to these tests, cleanliness tests may also involve techniques like wetting tension measurement, water break test, or contact angle measurements. These tests evaluate the surface energy and wetting properties of the steel, which can be affected by the presence of contaminants. By conducting cleanliness tests, steel coils can be thoroughly inspected for surface cleanliness. These tests help in identifying any potential contaminants that may compromise the quality and performance of the steel. By ensuring the surface cleanliness of steel coils, manufacturers can provide high-quality products that meet the stringent requirements of various industries.
- Q:What is the role of steel coils in the manufacturing of pipes and tubes?
- Steel coils play a critical role in the manufacturing of pipes and tubes. They are the primary raw material used to produce these products. Steel coils are made by processing molten steel through a series of rolling mills, which shape the steel into flat, thin sheets. These sheets are then wound into coils for easy transportation and storage. In the manufacturing process of pipes and tubes, steel coils are unwound, and the flat sheets are passed through a series of machines and processes. The first step is usually to cut the steel sheets into the desired width and length. This is followed by forming the sheets into a cylindrical shape through a process called roll forming or continuous forming. The edges of the sheet are welded together to create a continuous pipe or tube. Steel coils provide several advantages in the manufacturing process. Firstly, they offer consistent and reliable quality. The production of coils ensures uniform thickness and strength throughout the entire length of the sheet, which translates to consistent properties in the final pipes and tubes. This is particularly important for applications that require high structural integrity and reliability. Secondly, steel coils allow for efficient production. The continuous supply of coils ensures a steady flow of raw material, reducing downtime and improving productivity. Coils also enable automated processes, such as roll forming, which can be highly efficient and cost-effective. Furthermore, steel coils offer flexibility in terms of size and dimensions. Coils can be produced in various widths and thicknesses, allowing manufacturers to customize the size and specifications of the pipes and tubes according to their specific requirements. This flexibility enables the production of pipes and tubes for a wide range of applications, from plumbing and construction to oil and gas pipelines. In conclusion, steel coils are the essential raw material in the manufacturing of pipes and tubes. They provide consistent quality, enable efficient production, and offer flexibility in size and dimensions. Without steel coils, the production of pipes and tubes would be significantly more challenging and less efficient.
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Prime Quality Hot-dip galvanized steel coil and sheet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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