Hot-Dip Galvanized Steel of Best Quality

Hot-Dip Galvanized Steel of Best Quality System 1

Hot-Dip Galvanized Steel of Best Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 8000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls

1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

Hot-Dip Galvanized Steel of Best Quality

4.Hot-Dip Galvanized Steel Sheet Specification

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Hot-Dip Galvanized Steel of Best Quality

5.FAQ of Hot-Dip Galvanized Steel Sheet

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: 420 440 1045 or 1065 ive bought knifes with these steel grades and i want to know which one is better.: SAE 440 is the best. Classified as high grade cutlery steel. There are various grades of 440: A, B, C, and F. 440 A is the most stain resistant while 440 C has the most carbon and can achieve the highest hardness (Best edge Retention). SAE 440 Chemistry: 16 - 18% Chromium, 0.60 - 1.2% Carbon, 0.75% Molybdenum. SAE 420 is pretty good. Classified as cutlery steel, it is a stain resistant grade but has less chromium and significantly less carbon than SAE 440. SAE 420 Chemistry: 12 - 14% Chromium, 0.15% Carbon (min), 0 Molybdenum Chromium is what makes the steel corrosion resistant. It also adds toughness. Molybdenum adds extra corrosion resistance and adds hardenability. So you can see by chemical components that 440 is highest quality although that also means more cost. 1045 and 1065 are low quality steels and you should probably never use them for a knife. The 1 indicates plain carbon steel with little other alloying elements. The last two digits indicate how much carbon is in the steel. 1045 has 0.45% carbon, mid-range hardenability. 1065 has 0.65% carbon, high hardenability. So if I had to choose I would choose 1065 over 1045 but the difference isn't that noticeable. Everything I said here assumes they have all had the optimum Quench and Temper heat-treatment for their chemistry grade.

Q: How is the critical temperature of structural steel affected by fireproofing? What temperatures can fireproofed structural steel withstand?: mix the fire retardant with cement, let it harden fast to superstructure. this will create better stability and will not be dislodged in case of impact.

Q: How are steel coils inspected for defects after rewinding?: Steel coils are inspected for defects after rewinding through a thorough visual examination and various non-destructive testing techniques such as ultrasonic testing, magnetic particle inspection, and eddy current testing. These methods help identify any surface defects, internal flaws, or deviations in dimensions, ensuring the quality and integrity of the steel coils.

Q: Can i use steel shot in a remington 870 wingmaster full choke 30 inch barrel. the shotgun is in great shape and about 20 or 25 years old probably. thank you. the steel shot i have got is 12 gauge 2 3/4 in 1550 velocity 1 1/16 oz 2 shot winchester xpert high velocity steel shot: Remington Steel Shot

Q: What are the different methods of cut-to-length shearing for steel coils?: Steel coils can be cut-to-length using various methods, each with unique advantages and applications. Some commonly used methods include: 1. Rotary Shearing: This technique utilizes a rotating shear blade to cut through the coil. It offers excellent precision and can handle a wide range of material thicknesses. Rotary shearing is well-suited for high-volume production and allows for high cutting speeds. 2. Guillotine Shearing: In this method, a straight blade is employed to cut through the coil. It is a versatile technique that can handle different material thicknesses and widths. Guillotine shearing is relatively simple and efficient, making it a popular choice for many applications. 3. Slitting: Slitting involves creating multiple longitudinal cuts in the coil to produce narrower strips. It is commonly used when a coil needs to be divided into smaller coils or when narrower strips are necessary for specific applications. Slitting can be performed using either rotary or straight blades. 4. Laser Cutting: Laser cutting employs a high-powered laser beam to melt or vaporize the material, resulting in a precise and clean cut. It is ideal for cutting complex shapes or patterns and can handle both thin and thick steel coils. Laser cutting offers high accuracy and minimal material distortion. 5. Waterjet Cutting: In this method, a high-pressure stream of water mixed with abrasive particles is used to cut through the coil. It is suitable for a wide range of materials, including steel, and can achieve high accuracy. Waterjet cutting is often utilized for cutting thick coils or when minimizing heat-affected zones is crucial. Each method has its own strengths and limitations, and the selection depends on factors such as material thickness, required precision, production volume, and specific application requirements. Choosing the most suitable method is vital to ensure efficient and high-quality cut-to-length shearing for steel coils.

Q: I Don't have a Oxy act. torch but can Get a Propane one. The finished part(s) are .375 x .550 x .185: Hardening steel is done by quenching. Quenching is accomplished by heating the element and then rapidly cooling it. In metallurgy, it is most commonly used to harden steel by introducing martensite, in which case the steel must be rapidly cooled through its eutectoid point. For 12L14 steel, the eutectoid point is approximately 2800 degrees F. Unfortunately, a propane torch has the capacity to reach tempuratures up to 1995 degrees... 12L14 is rather difficult to harden even with the correct tools. Good luck!

Q: What are the different packaging options for steel coils?: The different packaging options for steel coils include wooden pallets, steel cradles, eye-to-sky or eye-to-wall packaging, and steel banding or strapping. These options are used to ensure the safe transportation and storage of steel coils, preventing damage and maintaining their shape and quality.

Q: What are the dimensions of steel coils used in the mining equipment industry?: The dimensions of steel coils utilized in the mining equipment sector may differ depending on the particular application and demands. Nevertheless, there are frequently employed standard dimensions. Typically, the width of steel coils used in the mining equipment industry can range from 600mm to over 2000mm. This allows for adaptability in the manufacturing process and guarantees that the coils can be customized to fit different equipment sizes and specifications. Regarding thickness, steel coils employed in mining equipment can range from 1.5mm to 20mm or more. The specific thickness is determined by factors such as equipment type, intended usage, and required durability level. The length of steel coils used in the mining equipment industry can also vary, but usually falls within the range of 1000mm to 6000mm. Once again, this offers flexibility in the manufacturing process and ensures that the coils can be cut to suit the exact requirements of the equipment being produced. It is essential to acknowledge that these dimensions are not fixed and can be tailored to meet the specific needs of the mining equipment sector. Manufacturers and suppliers in the industry can often provide coils in different sizes and dimensions to accommodate the wide array of equipment used in mining operations.

Q: Are steel coils used in shipbuilding?: Yes, steel coils are commonly used in shipbuilding. They are used primarily for the construction of the ship's hull and other structural components due to their strength, durability, and ability to withstand harsh marine environments.

Q: What is the role of steel coils in the automotive industry?: Steel coils play a crucial role in the automotive industry as they are used to manufacture various components and parts of vehicles, including body panels, frames, chassis, and suspension systems. The high strength and durability of steel make it an ideal material for ensuring structural integrity and safety in automobiles. Additionally, steel coils offer cost-effectiveness, versatility, and the ability to withstand extreme conditions, making them an essential component in the production of cars and trucks.

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