Z39 BMP Rolled Steel Coil Construction Roofing Construction
- 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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Structure of Z39 BMP Rolled Steel Coil Construction Roofing Construction 
Description of Z39 BMP Rolled Steel Coil Construction Roofing Construction
PPGI is made by cold rolled steel sheet and galvanized steel sheets as baseplate, through the surface pretreatment (degreasing, cleaning, chemical conversion processing), coated by the method of continuous coatings (roller coating method),
and after roasting and cooling. Zinc coating: Z60, Z80, Z100, Z120, Z180, Z275, G30, G60, G90
Alu-zinc coating: AZ60, AZ80, AZ100, AZ120, AZ180, G30, G60, G90
Main Feature of Z39 BMP Rolled Steel Coil Construction Roofing Construction
1) Excellent corrosion resistance: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2) High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turn reducing the amount of heat transmitted. The thermal reflectivity converts into energy savings.
3) Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4) Versatility: can be used in the various areas.Standard seaworthy export packing: 3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve.
Applications of Z39 BMP Rolled Steel Coil Construction Roofing Construction
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc. 
Specifications of Z39 BMP Rolled Steel Coil Construction Roofing Construction
| Classified symbol | Yield Point Minimum N/mm2 | Tensile Strength Minimum | Elongation Minimum % | Application | ||||
| N/mm2 | Nominal Thickness mm (t) | |||||||
| JIS | Yogic | 0.25-0.4 | 0.4-0.6 | 0.6-1.0 | 1.0-1.6 | |||
| G3312 | specification | |||||||
| CGCC | CGCC | -205 | -270 | -20 | -21 | -24 | -24 | Commercial |
| CGCD | CGCD | --- | 270 | --- | 27 | 31 | 32 | Drawing |
| --- | CG340 | 245 | 340 | 20 | 20 | 20 | 20 | Structural |
| CGC400 | CG400 | 295 | 400 | 16 | 17 | 18 | 18 | Structural |
| CGC440 | CG440 | 335 | 440 | 14 | 15 | 16 | 18 | Structural |
| CGC490 | CG490 | 365 | 490 | 12 | 13 | 14 | 16 | Structural |
| CGC570 | CG570 | 560 | 570 | --- | --- | --- | --- | Structural |
| ASTM Designation | Yield Point Minimum | Tensile Strength Minimum | Elongation Minimum % | Application | Q/BQB 445-2004(China standard) | ASM A653/A653M | JISG 3312 | |
| ksi(MPa) | ksi(MPa) | TDC51D+Z | (CS TYPE A+Z) | CGCC | ||||
| A653(M)-99 CS TYPE A,B,C | --- | --- | --- | Commercial | TDC52D+Z | CGCD | ||
| A653(M)-99 FS | --- | --- | --- | Lock Forming | TS250GD+Z | (G250+Z) | - | |
| A653(M)-99 DS | --- | --- | --- | Drawing | TS300GS+Z | (G300+Z) | CGC 400 | |
| A653(M)-99 SS Grade33(230) | 33(230) | 45(310) | 20 | Structural | TS350GD+Z | (G350+Z) | CGC490 | |
| A653(M)-99 SS Grade37(255) | 37(255) | 52(360) | 18 | Structural | TS550GD+Z | (G550+Z) | CGC570 | |
| A653(M)-99 SS Grade40(275) | 40(275) | 55(380) | 16 | Structural | ||||
| A653(M)-99 SS Grade50(345) | 50(345) | 65(450) | 12 | Structural | ||||
| A653(M)-99 SS Grade80(550) | 80(550) | 82(570) | --- | Structural | ||||
FAQ of Z39 BMP Rolled Steel Coil Construction Roofing Construction
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
1, ISO, BV, CE, SGS approved.
2, Competitive price and quality.
3, Efficient service team online for 24 hours.
4, Smooth production ability(50000tons/month) .
5, quick delivery and standard exporting package.
6, Flexible payment with T/T, L/C, Paypal, Kunlun bank, etc .
- Q: How are steel billets inspected for internal and surface defects?
- Steel billets are inspected for internal and surface defects through a variety of methods to ensure their quality and integrity. For internal defects, one common method is ultrasonic testing (UT), where high-frequency sound waves are transmitted through the billet. Any discontinuities or defects within the billet will cause the sound waves to reflect back to the receiver, indicating the presence of a flaw. UT can detect defects such as cracks, voids, and inclusions within the billet. Another technique used for inspecting internal defects is magnetic particle inspection (MPI). This method involves applying a magnetic field to the billet and then coating it with iron particles. Any internal defects or cracks will disrupt the magnetic field, causing the iron particles to gather at these locations and become visible under proper lighting conditions. When it comes to surface defects, visual inspection is typically the first step. Trained inspectors visually examine the billet for any visible irregularities, such as cracks, pits, scratches, or deformities. They may also use specialized equipment like magnifying glasses or microscopes to ensure a thorough inspection. In addition to visual inspection, surface defects can also be detected using other non-destructive testing techniques. One common method is dye penetrant testing (PT), where a colored liquid dye is applied to the billet's surface. The dye seeps into any surface defects and is later removed, leaving behind a visible indication of the defect. This method is particularly effective in detecting surface cracks or discontinuities. Another technique used for surface defect inspection is eddy current testing (ECT). ECT relies on the principle that a fluctuating magnetic field induces electrical currents in conductive materials like steel. Any surface defects or irregularities will disrupt the induced currents, which can be detected by monitoring changes in the electrical properties of the billet. ECT is commonly used to detect surface cracks, pits, or variations in thickness. Overall, a combination of these inspection methods allows for a comprehensive evaluation of steel billets, ensuring that both internal and surface defects are detected and addressed before the billets are further processed or used in various applications.
- Q: How are steel billets used in the manufacturing of wire rods?
- Steel billets are an integral part of the manufacturing process for wire rods. These billets, which are essentially semi-finished steel products, serve as the raw material for producing wire rods. The first step in the manufacturing process involves heating the steel billets to a high temperature in a furnace. This process, known as heating or re-heating, helps to soften the steel and make it more malleable. Once the billets are heated, they are then passed through a series of rolling mills. In these mills, the billets are subjected to intense pressure and are gradually shaped into wire rod form. The rolling process elongates the steel billets and reduces their diameter to the desired size. After the initial rolling, the wire rods undergo further processing to enhance their strength, surface finish, and dimensional accuracy. This may involve various techniques such as cooling, heat treatment, and surface conditioning. Finally, the wire rods are cut into specific lengths and undergo quality control checks to ensure that they meet the required standards. They are then ready to be used in various applications such as construction, automotive, and electrical industries. In summary, steel billets play a crucial role in the manufacturing of wire rods. They are heated, rolled, and processed to create wire rods of different sizes and properties. These wire rods are then used in a wide range of industries, making them an essential component in the manufacturing sector.
- Q: How are steel billets forged into shape?
- Steel billets are forged into shape through a process known as hot forging. Hot forging involves heating the steel billet to a temperature that allows it to be manipulated easily, usually between 1100 to 1250 degrees Celsius. Once the billet is heated, it is placed on a die, which is a specially designed tool with a cavity that gives the desired shape to the final product. A large mechanical or hydraulic press exerts pressure on the billet, forcing it into the die cavity. This pressure causes the steel to flow and fill the shape of the die, resulting in the desired form of the forged product. The pressure applied during forging can be as high as several thousand tons, depending on the size and complexity of the product. During the forging process, the steel billet undergoes plastic deformation, which rearranges its internal structure and aligns the grains of the metal. This alignment of grains enhances the mechanical properties of the forged product, making it stronger and more durable. After the initial shaping, additional operations such as trimming, piercing, or punching may be performed to achieve the final dimensions and features. These post-forging operations may be done while the steel is still hot or after it has cooled down. Once the desired shape is achieved, the forged product is cooled slowly to relieve any residual stresses and prevent cracking. This cooling process, known as annealing, helps improve the metallurgical properties of the steel and enhances its overall performance. In summary, steel billets are forged into shape through a hot forging process that involves heating the billet, placing it on a die, applying high pressure to force it into the desired shape, and then cooling it down to optimize its mechanical properties. This process allows steel to be transformed into various complex shapes, making it a versatile and widely used material in many industries.
- Q: What are the different surface finishes available for tool steel billets?
- There are several surface finishes available for tool steel billets, including mill finish, hot rolled, cold rolled, ground, and polished. Each finish has its own characteristics and is used for specific purposes. Mill finish is the raw surface of the billet after it has been manufactured, while hot rolled has a rougher texture due to the high temperature rolling process. Cold rolled billets have a smoother surface and tighter dimensional tolerances. Ground finish involves grinding the surface to achieve a specific level of smoothness and precision. Finally, polished finish provides the highest level of smoothness and reflectivity, often used for aesthetic purposes or in applications requiring minimal friction.
- Q: Our caster is square billet! 150X500! That is, every time we open the head, there is slag inclusion. And pores! Yes, the first 3 meters! There's no more left behind! How did it happen, please?! We have a refinery and electromagnetic stirring! Give me a hand!
- 1. Whether the injection hole before the casting is replaced with the protective slag instead of the special drainage sand, and whether the drain sand is dry or not2, whether it is too early to start adding protective slag is to protect the slag whether it is dry or not3, the opening of the mold to maintain the steel surface uniform and stable, rising to the required height, the key is fluctuation.
- Q: How are steel billets shaped into rods or wires?
- Rods or wires are produced from steel billets by undergoing a process called hot rolling. This process involves passing the steel billets through a series of rollers at high temperatures. The initial step is to heat the billets to a temperature above their recrystallization point, which is typically around 1200-1300 degrees Celsius. This temperature is important as it ensures the steel becomes soft and easily malleable, thus facilitating the shaping process. Once the billets have been heated, they are then fed through a series of rollers that gradually decrease their thickness and give them the desired rod or wire shape. The rollers exert pressure on the billets, causing them to elongate and reduce in thickness. The number and arrangement of the rollers may vary depending on the specific requirements of the rod or wire being manufactured. Throughout the hot rolling process, the steel undergoes plastic deformation due to the combination of applied pressure and high temperatures. This plastic deformation enables the steel to change its shape without breaking or cracking. The continuous rolling and reduction in thickness gradually transform the billets into rods or wires. After achieving the desired size and shape, the steel is cooled, typically using air cooling. This cooling process enables the steel to maintain its new shape and hardness. The cooled rods or wires can then undergo further processing, such as additional heat treatments or surface treatments, to enhance their properties and meet specific requirements. In conclusion, the hot rolling process is indispensable in shaping steel billets into rods or wires. It allows for precise control over dimensions and properties, while ensuring the final product meets the desired specifications.
- Q: How are steel billets used in the production of pump parts?
- Steel billets are used in the production of pump parts by being heated, shaped, and then machined into specific components such as impellers, casings, or shafts. These billets, which are semi-finished products made of solid steel, provide the raw material needed for manufacturing durable and high-performance pump parts. The process involves melting the steel billets in a furnace, pouring the molten metal into molds, and allowing it to solidify into the desired shape. After cooling, the billets are further processed through machining operations like cutting, drilling, and grinding to achieve the final dimensions and surface finish required for pump components.
- Q: 20 what is the difference between manganese silicon steel billet and Q235 billet?
- In brief, the ingredients are different and the uses are different.
- Q: How are steel billets used in the production of molds?
- Steel billets are used in the production of molds as a raw material. They are melted, shaped, and cooled to form the mold, which is then used to cast various products. The steel billets provide the necessary strength and durability to withstand the high temperatures and pressures involved in the molding process.
- Q: Can steel billets be used in the production of industrial equipment?
- Yes, steel billets can be used in the production of industrial equipment. Steel billets are the raw material that can be further processed and shaped into various forms such as plates, sheets, rods, and bars. These processed steel products are commonly used in the manufacturing of industrial equipment due to their strength, durability, and suitability for machining and welding processes.
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Z39 BMP Rolled Steel Coil Construction Roofing Construction
- 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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