Graphitic Steel Roll With High Wear Resistance and High Performance
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 41000 m.t./month
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Specification
Company Profile
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Mill rolls are our main products.
CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.
The product introduction of mill roll
Equipped with advanced technological facilities on melting, casting, forging, heat treating and mechanical machining, our factory has formed 9 professional complete roll manufacturing lines of cast steel, cast iron and forged steel rolls such as strip mill rolls, heavy section mill rolls, wire & bar rolls, special shaped rolls and small-sized cold rolls and specialized production lines of bloom and slab CCM, coke oven equipments and wind power products. Annual production capacity of mill rolls is 500,000 tons, metallurgical equipment is 80,000 tons.
Workshop
Workshop is the core of our company and undertakes all of scientific research work. The company specially produces and supplies all kinds of roll used for hot strip mill, cold strip mill, plate & heavy plate mill, large-sized section mill, universal mill etc.
Products & Specification
| Mill | Application | Material | Product Specification | ||
| Hot Strip Mill | Large-sized vertical roll | Special alloy cast roll, Adamite | All Sizes | ||
| Small-sized vertical roll | Adamite, HiCr iron | ||||
| Roughing work roll | Special alloy cast steel, Adamite, HiCr steel, Semi-HSS, HiCr iron | ||||
| Finish rolling | Early stand work roll | HiCr iron, HSS | |||
| Later stand work roll | ICDP, HSS | ||||
| Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |||
| Alloy forged steel | D≤¢2000,W≤75t | ||||
| Temper rolling | Work roll | HiCr iron | All Sizes | ||
| Alloy forged steel | |||||
| Back-up roll | ICDP | ||||
| Duplex cast steel | D≤¢2000, W≤80t | ||||
| Alloy forged steel | D≤¢2000, W≤75t | ||||
| Mill | Application | Material | Product specification |
Cold strip mill & Single stand cold mill | Work roll | Alloy forged steel | All Sizes |
| Intermediate roll | Alloy forged steel | ||
| Temper roll | Alloy forged steel | ||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |
| Alloy forged steel | D≤¢2000,W≤75t | ||
Largesized universal structural mill | Break-down roll | Special alloy cast steel, alloy nodular iron | All Sizes |
| Horizontal collar | High carbon adamite (duplex) | ||
| Vertical collar | High carbon adamite, HiCr iron | ||
| Edger roll Edger roll | High carbon adamite | ||
| Shaft | Alloy forged steel |
| Mill | Application | Marterial | Product Specification | |
| CSP | Vertical Roll | Adamite, Special alloy cast steel, HiCr iron | All Sizes | |
| Roughing work roll | Semi-HSS, HiCr Steel | |||
| Finish rolling | Early stand | HiCr iron, HSS | ||
| Later stand | ICDP, HSS | |||
| Roughing & Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Steckel Mill | Vertical roll | Adamite, Special alloy cast steel | All Sizes | |
| Roughing work roll | ICDP, HiCr iron | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Plate & Heavy plate mill | Rough rolling | 2-hi work roll | Special alloy cast steel, Tool steel | All Sizes |
| 4-hi work roll | HiCr iron, ICDP | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Single stand work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
Quality Control
The company has the most advanced experimental and testing equipments in global mill roll industry, including direct-reading spectrometer, spectrum analyzer , X-ray fluorescence analyzer, scanning electronic microscope, energy disperse spectroscopy, X-ray diffractometer, image analyzer, high/low temperature metallographic microscope, X-ray stress meter, brittleness temperature tester, thermal analogue machine, dilatometer, macro and micro hardness tester, OMNISCAM-1X automatic flaw detection, USN60 ultrasonic flaw detector, magnetic powder and non-destructive flaw detection etc,. The advanced inspection equipments and experimental methods provide guarantee for quality control and experiment on material, usability test and performance.
The factories of CNBM invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on three projects, production line of centrifugal casting rolls for hot strip and plate mill, forged roll for cold/hot strip mill, national class technology center and roll material lab. Through upgrade transformation, the following targets have been achideved:
(1)It becomes the world's biggest specialized mill roll maker with the largest production scale, the most complete specifications of products and the most extensive coverage of various rolls used on rolling mill.
(2) The technology of equipments has reached international leading level.
(3) "Mechanization, automation, intellectualization, digitization" of equipments obviously improve the quality control ability.
(4) New types of research instruments improve the R&D capacity of products.
Customers Visit
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your requirement.
- Q: What are the automation options for metal casting machinery?
- Some common automation options for metal casting machinery include robotic arms, automated pouring systems, automated mold handling systems, and computer numerical control (CNC) machines. These automation technologies help improve productivity, accuracy, and efficiency in the metal casting process.
- Q: Can metal casting machinery be customized or modified for specific applications?
- Certainly! Metal casting machinery has the capability to be tailored or adjusted to cater to specific applications. Although there are standard metal casting machines available on the market, numerous manufacturers provide customization options to fulfill the distinct requirements of various industries and applications. The customization or modification of metal casting machinery encompasses various aspects, such as machine size, design, capabilities, and features. For instance, the machine's size can be altered to accommodate larger or smaller casting needs. The design can be adapted to incorporate specific features or functions that are crucial for a particular application. Moreover, customization can entail the integration of advanced technologies or automation systems to enhance the efficiency and precision of the metal casting process. This may involve the utilization of robotics, computer numerical control (CNC) systems, or specialized software for controlling and monitoring the casting process. Additionally, various accessories and attachments can be added or modified on the metal casting machinery to enhance its versatility and adaptability to different applications. These accessories may comprise of diverse types of molds, crucibles, ladles, or die sets, depending on the specific casting requirements. In conclusion, metal casting machinery can be customized or modified to meet the distinctive needs of different industries and applications. This flexibility empowers manufacturers to optimize their casting processes, boost productivity, and achieve superior quality and precision in their end products.
- Q: What are the different types of dust control measures used in metal casting machinery?
- Some of the different types of dust control measures used in metal casting machinery include local exhaust ventilation systems, wet scrubbers, dust collectors, and personal protective equipment such as respirators.
- Q: How does metal casting machinery handle complex shapes and designs?
- Metal casting machinery handles complex shapes and designs by using various techniques such as pattern making, mold making, and precision casting processes. Pattern making involves creating a replica of the desired shape or design using materials like wood, plastic, or metal. This pattern is then used to make a mold, which is typically made from sand or other mold materials. The molten metal is poured into the mold, and once it solidifies, the mold is removed to reveal the final cast metal product. This process allows for intricate and detailed shapes and designs to be accurately reproduced in metal.
- Q: How are defects in metal castings detected and corrected?
- Defects in metal castings are detected through various methods such as visual inspection, non-destructive testing, and dimensional checks. Visual inspection involves closely examining the casting for surface irregularities, cracks, or other visible defects. Non-destructive testing techniques like ultrasonic testing, X-ray inspection, or dye penetrant testing are used to identify internal defects that may not be visible. Once defects are identified, they can be corrected through processes like grinding, welding, or re-casting the part. The correction method depends on the type and severity of the defect.
- Q: How are robots used in metal casting processes in machinery?
- Robots are extensively used in metal casting processes in machinery to enhance productivity, efficiency, and precision. They perform a variety of tasks throughout the casting process, from pouring molten metal into molds to removing finished castings. One of the primary uses of robots in metal casting is for pouring molten metal into molds. This task is highly hazardous for human workers due to the extreme temperatures and the risk of exposure to toxic fumes. By using robots, the risk of accidents and injuries is significantly reduced. Moreover, robots can ensure consistent and precise pouring, resulting in high-quality castings. Robots are also employed for mold handling and manipulation. They can lift and position molds with ease, reducing the physical strain on workers and increasing overall productivity. Additionally, robots can be programmed to remove excess material or debris from the castings, ensuring a clean and finished product. Furthermore, robots are utilized for quality control in metal casting processes. They can inspect the castings using advanced imaging systems, detecting defects or imperfections that would be difficult to identify with the naked eye. This allows for immediate corrective actions, minimizing waste and improving the overall quality of the castings. In addition to their physical capabilities, robots are equipped with sensors and software that enable them to collect and analyze data during the casting process. This data can be used for process optimization, identifying areas for improvement and ensuring consistent and efficient operations. Overall, the integration of robots in metal casting processes in machinery brings numerous advantages. They enhance worker safety, increase productivity, improve casting quality, and allow for process optimization. As technology continues to advance, robots will play an increasingly vital role in the metal casting industry, revolutionizing the way castings are produced.
- Q: What are the different types of corrosion testing methods used in metal casting machinery?
- There are several types of corrosion testing methods used in metal casting machinery to assess the corrosion resistance of materials. These methods help determine the suitability of a material for specific applications and ensure the durability and longevity of metal casting machinery. Some of the commonly used corrosion testing methods include: 1. Salt Spray Testing: This method involves subjecting the metal samples to a corrosive environment by spraying a saltwater solution. It simulates the effects of saltwater exposure, such as those experienced in marine environments. The samples are observed over a specific period to evaluate the corrosion resistance. 2. Electrochemical Testing: Electrochemical methods, such as potentiodynamic polarization and electrochemical impedance spectroscopy, are used to measure corrosion rates and evaluate the performance of metal casting machinery. These tests involve applying a controlled potential or current to the metal samples and monitoring the resulting electrochemical reactions. 3. Immersion Testing: In this method, metal samples are immersed in a corrosive solution, such as acid or alkaline solutions, for a specific period. The samples are then examined for any signs of corrosion, such as pitting, cracking, or discoloration. This test helps assess the resistance of materials to various corrosive environments. 4. Crevice Corrosion Testing: Crevice corrosion occurs in areas with limited oxygen supply, such as gaps or crevices in metal casting machinery. To assess the susceptibility to crevice corrosion, samples are subjected to a corrosive solution, typically in creviced conditions. The severity of the corrosion is evaluated visually or by measuring the corrosion depth. 5. Galvanic Corrosion Testing: Galvanic corrosion occurs when two dissimilar metals come into contact in the presence of an electrolyte. To evaluate the galvanic compatibility of metals used in casting machinery, samples of different metals are electrically connected and immersed in a corrosive solution. The resulting corrosion is examined to determine the galvanic corrosion potential. 6. Stress Corrosion Cracking Testing: Stress corrosion cracking (SCC) is a specific type of corrosion that occurs under the combined influence of mechanical stress and a corrosive environment. SCC testing involves exposing metal samples to a corrosive environment while subjecting them to a controlled stress. The samples are then carefully examined for any signs of cracking or failure. These corrosion testing methods provide valuable insights into the corrosion resistance of materials used in metal casting machinery. By conducting these tests, manufacturers can select the most suitable materials for specific applications, design effective corrosion prevention measures, and ensure the overall reliability and performance of metal casting machinery.
- Q: How does metal casting machinery handle the removal of ceramic shells from investment castings?
- Metal casting machinery typically handles the removal of ceramic shells from investment castings through a process called shell removal. This process involves subjecting the castings to high temperatures, typically in a furnace, which causes the ceramic shell to break down and disintegrate. The castings are then cooled and the remnants of the ceramic shell are removed through various methods such as vibration, water blasting, or mechanical brushing. This ensures that the final metal castings are free from any ceramic residue, allowing for a smooth and clean finish.
- Q: What are the different types of safety features and controls in modern metal casting machinery?
- Modern metal casting machinery is equipped with a variety of safety features and controls to ensure a safe working environment. Some common types of safety features include emergency stop buttons, interlock systems, and safety guards. Emergency stop buttons allow operators to quickly shut down the machinery in case of an emergency. Interlock systems prevent the machinery from operating unless all safety guards are properly in place. Safety guards provide physical barriers to protect operators from moving parts and prevent unauthorized access to the machine. Additionally, machinery may be equipped with sensors and alarms to detect and alert operators of potential hazards such as high temperatures or excessive vibrations. Overall, these safety features and controls are essential for preventing accidents and ensuring the well-being of workers in metal casting operations.
- Q: What are the different types of molding materials used with metal casting machinery?
- Metal casting machinery commonly uses various types of molding materials. These materials are selected based on their specific properties and suitability for the casting process. Among the most frequently used molding materials is sand. Sand molds are created by blending sand with a binder material, like clay, and then compacting it around a pattern. Sand molds are popular due to their affordability, accessibility, and ability to form intricate shapes easily. Moreover, sand molds possess excellent thermal conductivity, facilitating efficient heat transfer during casting. Ceramic is another molding material employed in metal casting. Ceramic molds are made from a mixture of clay, water, and other additives. This mixture is shaped and fired to form a rigid mold. Ceramic molds are preferred for applications involving high temperatures, as they can withstand the molten metal's heat without deformation or cracking. They also offer superior surface finish and dimensional accuracy. Investment casting, or lost wax casting, employs a different type of molding material. In this process, a wax pattern is coated with a ceramic slurry, which is then dried and heated to eliminate the wax. The resulting ceramic shell is used as the casting mold. Investment casting enables the production of intricate and detailed shapes with exceptional surface finish and dimensional accuracy. In addition, other specialized molding materials are utilized in metal casting, such as plaster, graphite, and resin-bonded sand. Plaster molds are suitable for casting metals with low melting temperatures, while graphite molds are employed for high-temperature applications involving challenging-to-melt alloys. Resin-bonded sand molds offer precise dimensional accuracy and excellent surface finish, making them ideal for precision casting. In conclusion, the selection of molding material in metal casting machinery depends on several factors, including the metal type, desired shape complexity, temperature requirements, and desired surface finish and dimensional accuracy. Common molding materials in metal casting include sand, ceramic, investment, plaster, graphite, and resin-bonded sand.
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Graphitic Steel Roll With High Wear Resistance and High Performance
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 41000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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