Prime quality prepainted galvanized steel 615mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Construction building material galvanized color prepainted cold
rolled steel coil
Prepainted steel sheet is coated with organic layer, which provides higher anti-corrosion property and
a longer lifespan than that of galvanized steel sheets.
The base metals for prepainted steel sheet consist of cold-rolled, HDG electro-galvanized and hot-dip
Alu-zinc coated. The finish coats of prepainted steel sheets can be classified into groups as follows:
polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc
Standard and Grade :
Pre-paint galvanized steel coil | ||||
ASTM A755M-03 | EN10169:2006 | JISG 3312-2012 | ||
Commercial quality | CS | DX51D+Z | CGCC | |
Structure steel | SS GRADE 230 | S220GD+Z | CGC340 | |
SS GRADE 255 | S250GD+Z | CGC400 | ||
SS GRADE 275 | S280GD+Z | CGC440 | ||
SS GRADE 340 | S320GD+Z | CGC490 | ||
SS GRADE550 | S350GD+Z | CGC570 | ||
S550GD+Z | ||||
Application:
Outdoor | Roof, roof structure, surface sheet of balcony, frame of window, door of garage, rolled shutter door, booth, Persian blinds, cabana, etc |
Indoor | Door, isolater, frame of door, light steel structure of house, home electronic appliances, ect. |
- Q: What is the impact of impurities on the quality of steel billets?
- The presence of impurities in steel billets can significantly impact their quality. Impurities can weaken the structural integrity of the steel, reduce its toughness, and make it more prone to cracking or failure. They can also affect the steel's ability to resist corrosion, resulting in reduced durability and lifespan. Additionally, impurities can interfere with the steel's ability to be machined or welded, limiting its usability in various industries. Therefore, controlling and minimizing impurities in steel billets is crucial to ensure high-quality and reliable end products.
- Q: What is carbon accumulation?
- Generally refers to the polycarbonate, PC, is a kind of thermoplastic plastics, good transparency, good mechanical properties, surface hardness, common uses such as CD, plastic glasses, a fence, protective window, public places, vacuum cleaners, coffee machine, juicer barrel, refrigerator shelf, pure such as the bucket.
- Q: How are steel billets recycled?
- Steel billets are recycled through a process called electric arc furnace (EAF) steelmaking. In this process, the steel billets, which are large solid blocks of steel, are melted down in an electric arc furnace. Once melted, impurities are removed, and the molten steel is then poured into molds to form new billets. These recycled steel billets can be used to produce various steel products, reducing the need for raw materials and minimizing waste.
- Q: How are steel billets inspected for chemical composition?
- Steel billets are inspected for chemical composition through a process called chemical analysis. This involves taking a sample from the billet and subjecting it to different testing methods to determine the precise amounts of various elements present in the steel. One common method used is spectrometry, specifically optical emission spectrometry (OES) or inductively coupled plasma (ICP) spectrometry. These techniques involve heating the steel sample until it reaches a plasma state, which allows the individual elements to emit characteristic wavelengths of light. By analyzing the emitted light, the concentration of each element can be determined. Another method is X-ray fluorescence (XRF) analysis. This technique involves bombarding the steel sample with high-energy X-rays, which causes the atoms in the sample to emit secondary X-rays. By measuring the energy and intensity of these secondary X-rays, the composition of the steel can be determined. In addition to these methods, other techniques such as mass spectrometry and wet chemical analysis may also be employed, depending on the specific requirements and accuracy needed for the inspection. Overall, steel billets are inspected for chemical composition using a combination of sophisticated analytical techniques, ensuring that the steel meets the desired specifications and quality standards.
- Q: Can steel billets be used for structural applications?
- Yes, steel billets can be used for structural applications. Steel billets are semi-finished products that are typically produced through a continuous casting or hot rolling process. They have a rectangular cross-section and are used as raw material for further processing into various shapes and forms, including structural components. Steel billets possess several properties that make them suitable for structural applications. Firstly, steel is known for its high strength and durability, which allows it to withstand heavy loads and resist deformation. This makes steel billets a reliable choice for constructing buildings, bridges, and other infrastructure projects. Additionally, steel billets can be easily fabricated into different shapes and sizes to meet the specific requirements of a structural application. They can be further processed through techniques such as hot rolling, forging, or extrusion to produce beams, columns, bars, and other structural elements. Moreover, steel billets offer good weldability, which allows for the joining of individual components to create larger structures. This makes them an ideal material for construction projects where prefabrication and on-site assembly are common practices. Overall, steel billets are widely used in structural applications due to their high strength, versatility in fabrication, and excellent mechanical properties.
- Q: What is the role of steel billets in the construction of underground tunnels?
- Steel billets play a crucial role in the construction of underground tunnels. These cylindrical steel bars are used as the primary raw material for manufacturing various structural components, such as reinforcements and supports, that are essential in ensuring the stability and safety of the tunnel. One of the main applications of steel billets is in the creation of rebar, which is short for reinforcing bar. Rebars are embedded within the concrete walls and floors of the tunnel, providing tensile strength and preventing cracking or collapsing under the immense pressure exerted by the surrounding soil or water. These steel bars reinforce the concrete, making it more durable and resistant to deformation, thus enhancing the overall structural integrity of the tunnel. Additionally, steel billets are also used to produce other essential tunnel components, such as tunnel segments and steel arches. Tunnel segments are precast concrete elements that form the lining of the tunnel, and they often incorporate steel reinforcement to enhance their strength. Steel arches, on the other hand, are used in the construction of tunnel roofs to provide additional support and stability. Furthermore, steel billets are employed in the fabrication of various tunnel reinforcement systems, such as rock bolts and ground anchors. These systems help secure loose or unstable rock formations, preventing them from collapsing and endangering the tunnel's stability. Steel billets are also utilized in the manufacturing of tunnel supports, such as steel ribs and beams, which provide additional strength and rigidity to the tunnel structure. In summary, steel billets serve as a critical raw material for the construction of underground tunnels. Through their transformation into rebar, tunnel segments, steel arches, and reinforcement systems, they play a vital role in ensuring the structural integrity, stability, and safety of tunnels, thereby facilitating efficient and secure transportation networks underground.
- Q: What are the common alloys used in the production of steel billets?
- The primary alloys utilized in the production of steel billets are mainly carbon and manganese. Carbon is incorporated to boost the steel's hardness and strength, while manganese is included to enhance its toughness and ability to harden. Moreover, smaller quantities of other alloying elements like silicon, nickel, chromium, and vanadium may be introduced to further augment specific properties of the steel, such as resistance to corrosion, heat, or wear. By employing these alloying elements, a diverse array of steel grades with different characteristics can be manufactured, catering to various applications and industries.
- Q: How are steel billets used in the manufacturing of power transmission equipment?
- Steel billets are an essential component in the manufacturing of power transmission equipment. These billets, which are solid blocks of steel, serve as the raw material for various parts and components of power transmission equipment. One of the primary uses of steel billets is in the production of gears and shafts. Gears are crucial in power transmission equipment as they help transfer rotational motion from one component to another. Steel billets are forged and machined into the desired shape and size to create strong and durable gears that can withstand the high forces and speeds associated with power transmission. Similarly, steel billets are also used in the manufacturing of shafts. Shafts are responsible for transmitting rotational motion and torque between different parts of the power transmission system. The strength and reliability of the shafts are crucial for the efficient functioning of power transmission equipment. Steel billets are shaped and machined to create robust and precise shafts that can endure the loads and stresses involved in power transmission. Furthermore, steel billets are used in the production of various structural components of power transmission equipment, such as housings and frames. These components provide support and protection to the internal mechanisms and ensure the equipment operates smoothly. Steel billets are forged, cut, and welded to fabricate sturdy and rigid structures that can accommodate the complex arrangements and dynamic forces of power transmission systems. In summary, steel billets play a crucial role in the manufacturing of power transmission equipment. They are used to create gears, shafts, and structural components that are essential for the efficient and reliable operation of power transmission systems. The strength, durability, and precision of steel billets contribute to the overall performance and longevity of power transmission equipment.
- Q: What are the main factors affecting the weldability of steel billets?
- The main factors affecting the weldability of steel billets include the composition of the steel, the presence of impurities, the presence of alloying elements, the size and shape of the billets, and the heat treatment of the steel.
- Q: How does billet caster pull out billet cracking?
- The strict two cooling water distribution system, the degree of purification of the molten steel, and the precise arc are related!
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Prime quality prepainted galvanized steel 615mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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