ALUZINC STEEL IN COIL

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Product Description:

Specification

1. Thickness: 0.3-0.8mm

2. Width: 914-1250mm

3. Inner Diameter: 508mm

4. Weight of Steel Coil: 3-15MT

5. Available Dipped Layer: 50-150g/m²

6. Surface Texture: Normal Coated

7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.

8. Front side paint thickness: 15-25μm (bottome paint + top paint)

9. Back side paint thickness: 5-10μm

Mechanical Properties

1. Mechanical properties of base metals

Grade	Tensile Test
Grade	Yield Strength MPa	Tensile Strength MPa	Elongation A80mm % ≥
DC51D+AZ	280-325	320-500	22
DC52D+AZ	240-300	270-420	26
DC53D+AZ	140-260	270-380	30

2. Common performance of front coating

(1). Thickness: ≥20μm

(2). Pencil Hardness: 2H

(3). 60° specular glossiness of coating: >60

(4). 180°bend: ≤3T

(5). Impact: ≥9J

(6). Salt Fog Resistant: ≥500h

(7). Color difference: <3ΔE

Q: How are steel coils used in the manufacturing of construction scaffolding?: Steel coils are used in the manufacturing of construction scaffolding as they are processed and formed into various structural components such as tubes, pipes, and frames. These coils are often cut, bent, and welded to create sturdy and durable scaffolding structures that can support the weight of workers and materials during construction projects.

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 are steel coils inspected for thickness and width accuracy?: Steel coils are inspected for thickness and width accuracy using various methods. One common method is using non-contact laser or ultrasonic sensors that scan the surface of the coil to measure its thickness and width. These sensors provide accurate measurements without physically touching the coil. Additionally, manual measurements can be taken using calipers or micrometers to verify the accuracy of the coil's dimensions. Overall, a combination of non-contact sensors and manual measurements ensure that steel coils meet the required thickness and width specifications.

Q: What are the dimensions of steel coils used in the household appliance industry?: The dimensions of steel coils used in the household appliance industry can vary depending on the specific application and manufacturer. However, common dimensions for steel coils in this industry range from 0.20mm to 3.0mm in thickness and 600mm to 1500mm in width.

Q: How are steel coils inspected for yield strength using tensile testing?: Steel coils are inspected for yield strength using a testing technique called tensile testing. Tensile testing involves subjecting a sample of the steel coil to controlled tension until it reaches its breaking point. This test helps determine various mechanical properties of the steel, including yield strength. To inspect steel coils for yield strength using tensile testing, a small strip of the coil is cut and prepared for testing. The strip is placed in a tensile testing machine, which consists of two grips that firmly hold the strip at opposite ends. The machine then applies a steadily increasing force to the strip, causing it to elongate until it ultimately breaks. During the test, the machine measures the force applied and the elongation of the strip. The yield strength is determined by identifying the point on the stress-strain curve where the material begins to deform plastically, or exhibit permanent deformation without any increase in load. The yield strength is typically reported as the stress required to cause a specific amount of plastic deformation, commonly 0.2% or 0.5%. This value represents the maximum stress that the steel can withstand without permanent deformation occurring. By conducting tensile testing on a sample of the steel coil, it is possible to determine its yield strength. This information is crucial for ensuring the quality and reliability of the steel coil, as it indicates the maximum stress it can withstand before permanent deformation occurs. Additionally, this testing method allows for the evaluation of other mechanical properties, such as ultimate tensile strength, elongation, and modulus of elasticity, providing a comprehensive understanding of the steel's performance characteristics.

Q: How are steel coils used in the production of steel drums?: Steel coils are used in the production of steel drums by being unwound and shaped into circular sheets. These sheets are then formed into the body of the drum, providing the necessary strength and durability.

Q: I was wondering what material most common motorcycle gas tanks are made out of? is it steel? stainless steel? aluminum? what are the advantages and disadvantages or each?: Aluminum Motorcycle Gas Tank

Q: I am getting a barn soon and I was debating between wood, and steel. I think steel would look nicer [painted of course] and I was wondering which is cheaper. Any extra info would be great. Thanks x: Steel barns are much cheaper, but do require more insulation (they get extremely hot in summer and extremely cold in winter w/o insulation), and they have little to no maintinence. in my opinion though, a better-built wood barn is by far the better choice in the long run. They are much more sturdy, more visually appealing (to me), and if kept up well, will last much longer than a steel barn will. I also like that with a wood barn, during rain/hail/etc.etc. you don't have a deafening clatter that is unavoidable with steel barns.

Q: I have a steel garage, it looks worn out hauled away? How can I maintain / repair it?: Maintaining Your Steel Garage: # Clean your garage doors with a mild detergent using a soft car brush four times a year. # Clean the doors whenever they wash you car (washing your garage doors regularly will reduce the build up of corrosive elements) #Avoid using any abrasive cleaners or corrosive chemicals on or around your garage doors. # Avoid using salt near the garage door as it may corrode the door elements / hardware. Or you can paint your steel garage: #Step 1 Clean the door using a low-pressure sprayer. Combine 5 gallons of warm water and 1 cup of low-phosphate detergent to clean the surface. Rinse well and dry the surface. #Step 2 Lightly sand and smooth the scratches which do not go through to the metal substrate. Dust off sand residue. For a door with a baked on finish, use a powdered cleanser (diluted with water) and a soft brush to rough up the surface for better paint adhesion; do not use sand paper. Rinse with water and allow it to dry. #Step 3 Apply primer to areas where scratches permeate to the metal substrate to avoid future rusting or corrosion. Allow it to dry. #Step 4 Paint the door with an even coat of latex exterior house paint. If your steel garage has a dent check out the site(the last source link at the bottom)

Q: I know that the steel is significantly harder than when air cooled, but why is the quenched steel harder?: Quenching results in smaller grains than air cooled. This means more boundaries, which means harder steel.

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