Hot-Dipped Corrugated Steel Roofing Sheet
- Ref Price:
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 2000 m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
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Item specifice
Product Brief Introduction
Hot-Dipped Corrugated Steel Roofing Sheet
--- Corrosion resistance: Pre-coated steel offers excellent corrosion resistance achived through continuous hot DIP galvanization and corrosion resistant primer/polyester coating. Protection is achieved when zinc and steel are together in the presence of moisture; The zinc protects the steel by galvanic action
Product Features
. Traditional aesthetics outlook
. Suitable for new house or renovation.
. Less joints, watertight
. Long life service
. Tedun also provide relative ridge cap, fasteners and other accessories
Product Specification
Standard:ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169
Grade: DX51D CGCC CS
Thickness: 0.13mm~3.0mm,
Width: 1250,600-1250mm
Coil weight:3-12 MT
Coil ID:508/610mm
Chemical composition:
C | Si | Mn | Cr | Ni | P | S |
0.150 | 0.476 | 11.231 | 12.50 | 0.900 | 0.039 | 0.010
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FAQ
How long will we receive the goods ?
45days after receiving workable L/C
how do you control the quality ?
we have our own quality control department ,we will arrange QC person to see the production line ,when goods finish ,before shipment ,our QC person will check the quality as per our test report request ,if the goods is ok ,then we issue the test report ,and we allow the goods shipping ,otherwise will not allow ship the goods.
- Q:
- Yes, steel strips are recyclable.
- Q:
- Yes, steel strips are suitable for electrical grounding applications. They provide a strong and durable grounding solution due to their high conductivity and ability to dissipate electrical charges effectively. Additionally, steel strips are resistant to corrosion, making them a reliable choice for long-term grounding installations.
- Q:
- Yes, steel strips can be used in the production of watch cases. Steel is a popular material choice for watch cases due to its durability, strength, and corrosion resistance. Steel strips can be easily molded and shaped into the desired watch case design, allowing for a wide range of styles and sizes. Additionally, steel watch cases offer a sleek and classic look that is highly desired by many watch enthusiasts. Overall, steel strips are a suitable and commonly used material in the production of watch cases.
- Q:
- Steel strips are tempered for increased hardness through a process known as heat treatment. This involves subjecting the steel strips to controlled heating and cooling cycles to alter their microstructure and strengthen the material. To begin with, the steel strips are heated to a specific temperature, known as the austenitizing temperature. This temperature varies depending on the type of steel and its desired hardness. The strips are held at this temperature for a certain period of time to ensure that the heat is evenly distributed throughout the material. After the austenitizing process, the steel strips are rapidly cooled. This rapid cooling, also known as quenching, is done using different methods such as oil, water, or air. The choice of quenching medium depends on the properties desired for the final product. The rapid cooling causes the steel's microstructure to transform, resulting in a harder material. Following the quenching process, the steel strips are then tempered. Tempering involves reheating the steel to a lower temperature, typically between 300-700 degrees Celsius (572-1292 degrees Fahrenheit), for a specific duration. This step is crucial as it relieves the internal stresses caused by quenching and also further alters the microstructure of the steel. The tempering temperature and duration are carefully selected to achieve the desired hardness and toughness of the steel strips. Higher tempering temperatures result in lower hardness but increased toughness, while lower tempering temperatures lead to higher hardness but reduced toughness. Overall, the process of tempering steel strips for increased hardness involves a combination of controlled heating, rapid cooling through quenching, and subsequent tempering at specific temperatures. This careful manipulation of the steel's microstructure allows for the desired hardness to be achieved, making the steel strips suitable for various applications where strength and durability are required.
- Q:
- The weight of steel strips can vary depending on their dimensions and thickness. It is important to know the specific measurements of the steel strips in order to accurately determine their weight.
- Q:
- Steel strips are typically supplied to customers in the form of coils or flat sheets, which are produced through a process of hot rolling, cold rolling, or galvanizing. These coils or sheets are then packed and transported to customers through various means such as trucks, ships, or railways, depending on the distance and volume required.
- Q:
- Steel strips are typically processed for electrical conductivity through a combination of annealing, plating, and coating techniques. Annealing helps to reduce the steel's resistance by heating it and then slowly cooling it, which rearranges the crystal structure and aligns the grains. Plating with materials like tin or zinc enhances conductivity by providing a protective layer and reducing oxidation. Coating the steel strip with insulating materials, such as enamel or varnish, further improves electrical conductivity by preventing any short circuits or leakage.
- Q:
- The main factors affecting the surface finish of steel strips include the quality of the raw materials used, the manufacturing process employed, the condition of the equipment and machinery, the expertise and skill of the operators, and any external factors such as temperature, humidity, and contamination.
- Q:
- The thickness range of a steel strip can vary depending on the specific application, but it generally ranges from 0.005 inches to 0.5 inches.
- Q:
- Due to their unique properties, steel strips are essential for the manufacturing of surgical instruments. These strips, typically made from high-quality stainless steel, offer exceptional strength, durability, and resistance to corrosion. To begin the manufacturing process, the steel strips are cut into precise dimensions, ensuring uniformity and accuracy in the shape and size of the surgical instrument. Specialized machinery, such as press brakes or bending machines, is then used to shape the strips into various components like handles, blades, clamps, or forceps. To achieve the desired shape and functionality of the surgical instrument, the steel strips undergo additional processing techniques such as forging, stamping, or machining. Forging involves the application of heat and pressure to mold the steel strip into complex shapes, enhancing its strength and durability. Stamping utilizes a die to cut or shape the steel strip, resulting in intricate designs or patterns on the instrument's surface. Machining, on the other hand, utilizes computer-controlled tools to remove excess material and create precise cuts, holes, or threads. Furthermore, heat treatment can be applied to the steel strips to improve the mechanical properties of the instrument, such as hardness or flexibility. This involves subjecting the steel to controlled heating and cooling cycles, resulting in a desired microstructure that enhances the instrument's performance and lifespan. Once the components of the surgical instruments are formed, they undergo meticulous assembly, polishing, and inspection to ensure they meet stringent quality standards. The corrosion-resistant properties of the steel strips are particularly crucial in surgical instruments, as they are exposed to various sterilization methods like autoclaving or chemical disinfection. In summary, steel strips are crucial in the production of surgical instruments, providing strength, durability, and corrosion resistance. Through shaping, processing, and assembly, these strips ensure precision and reliability in surgical procedures.
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