Hot Rolled Carbon 25mm Thick Mild Steel Plate S45c
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Sheet
Hot Rolled Carbon 25mm Thick Mild Steel Plate S45c
Product information:
1,Grade: 50#(SAE1050,)
45#(SAE1045,1.1191,S45C)
2,Specification:25/30/35/40/45/50/55/60/65/70/75/80/90/105/115/125MM.cutted any size by customer request
Chemical composition: C=0.42-0.5,Si=0.17-0.37,Mn=0.5-0.8,P≤0.035,S≤0.035,Cr≤0.025,Ni≤0.025
3,Hardness:HBS=140-210
4,Application:Used for making the mould bottom, plastic mould and normal mechinery parts.
5,Payment terms:30%deposit,and balance against T/T or L/C at sight.
| 1.Specifications of ASTM Steel Plate | |||||||||
| Round bar | Diameter(mm) | Length (mm) | |||||||
| 20~800 | 3000~5800 | ||||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||
| Max:800 | 1600~2300 | 3000~5800 | |||||||
| 2.Chemical compositon(%) | |||||||||
| Standard Number | C | Si | Mn | Cr | Ni | Cu | S | P | |
| GB | 45# | 0.42~0.50 | 0.17~0.37 | 0.5~0.8 | ≤0.25 | ≤0.3 | ≤0.25 | ≤0.035 | ≤0.035 |
| AISI | 1045 | 0.43~0.50 | 0.10~0.60 | 0.6~0.9 | ≤ 0.50 | ≤0.40 | |||
| DIN | 1.1191 | 0.42~0.48 | 0.15~0.35 | 0.6~0.9 | ≤0.15 | ≤0.2 | ≤0.3 | ||
| JIS | S45C | 0.42~0.50 | ≤0.40 | 0.5~0.8 | ≤0.40 | ≤ 0.4 | |||
| 3.Delivery condition and Heat treatment | |||||||||
| Forging | Normalization | Hardening | Subcritical annealing | Isothermal annealing | Tempering | ||||
| 1100~850* | 840~880 | 820~860 water | 650~700* | 820~860 600x1h* | 550~660 | ||||
| 4.Characteristic | |||||||||
| Nice machanical porpertys and worse hardenability,so, it is used for machine parts | |||||||||
| 5.Application of ASTM Steel Plate | |||||||||
| 1): Can be used in many fields such as building, automobile, shipbuilding, | |||||||||
| petrochemical, machinery, medicine, food, electric power, energy, space, building | |||||||||
| and decoration, etc. | |||||||||
| 2): Can be made into mould template, mortise pin, column. | |||||||||
| 3): This kind of steel have good mechanical property, is widely used in structural parts | |||||||||
| which may support stress alternation, especially made into some connecting | |||||||||
| rods, bolts, wheel gear... | |||||||||
| 4): This kind of steel is the most common blanks and materials of shaft part. | |||||||||
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Our service:
-High manufacturing accuracy
-High strength
-Small inertia resistance
-Strong heat dissipation ability
-Good visual effect
-Reasonable price
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer's trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
If you need the sample, please feel free to let me know. Any question, we will contact you ASAP!
- Q:How does special steel contribute to sustainable construction?
- Special steel contributes to sustainable construction in several ways. Firstly, special steel is highly durable and has a longer lifespan compared to traditional building materials. This means that structures built with special steel require less maintenance and repairs over time, reducing the overall environmental impact. Secondly, special steel is often made from recycled materials, such as scrap metal, which helps to conserve natural resources and reduce waste. The recycling process also requires less energy compared to producing new steel, further reducing the carbon footprint. Additionally, special steel offers high strength-to-weight ratio, allowing for lighter and more efficient construction designs. This leads to reduced material consumption and transportation costs, as well as minimizing the load on the foundation and infrastructure. Lastly, special steel is highly resistant to corrosion and can withstand extreme weather conditions. This resilience ensures the longevity of the structures, reducing the need for replacements and minimizing construction waste. Overall, special steel's durability, recyclability, lightweight nature, and resistance to corrosion contribute significantly to sustainable construction practices by minimizing environmental impact, conserving resources, and promoting long-lasting structures.
- Q:How does special steel resist thermal fatigue?
- Due to its distinctive composition and properties, special steel possesses the ability to withstand thermal fatigue. When a material experiences repeated cycles of heating and cooling, cracks form and ultimately lead to material failure. Special steel, on the other hand, is specifically engineered to endure extreme temperature changes. It possesses a high melting point and exceptional thermal conductivity, enabling efficient heat dissipation and minimization of thermal stress. Furthermore, the steel is often alloyed with elements like chromium, nickel, and molybdenum, which augment its resistance to thermal fatigue. The alloying elements within special steel create a protective layer that acts as a barrier against oxidation and corrosion. This safeguard prevents crack formation and enhances the steel's capacity to withstand thermal cycling. Additionally, the alloying elements enhance the steel's structural integrity by encouraging the formation of finely dispersed and evenly distributed microstructures. This, in turn, amplifies the steel's toughness and crack resistance. Moreover, special steel undergoes various heat treatment processes to further enhance its resistance to thermal fatigue. These processes involve controlled cycles of heating and cooling, refining the steel's microstructure and rendering it more resistant to deformation and cracking. The heat treatment also aids in alleviating any residual stresses that may have been induced during the manufacturing process. In conclusion, special steel resists thermal fatigue due to its distinctive composition, alloying elements, and heat treatment processes. Its high melting point, exceptional thermal conductivity, and protective layer against oxidation and corrosion make it highly resilient to thermal cycling. The refined microstructure and alleviated residual stresses further strengthen its ability to endure repeated cycles of heating and cooling without experiencing failure.
- Q:What are the challenges in machining special steel with high hardness?
- One of the main challenges in machining special steel with high hardness is the increased tool wear. Due to the hardness of the steel, the cutting tools used in the machining process wear out more quickly, leading to shorter tool life and increased tool replacement costs. Additionally, the high hardness of the steel makes it more difficult to achieve accurate and precise machining, as it requires higher cutting forces and can cause issues such as tool chipping or breakage. Specialized machining techniques and tools are often required to overcome these challenges and ensure successful machining of high hardness steel.
- Q:What are the different surface cleaning methods used for special steel?
- For special steel, there are multiple ways to clean the surface depending on specific needs and desired cleanliness level. Some commonly utilized methods are as follows: 1. Mechanical Cleaning: By employing abrasive materials or tools, such as sanding, wire brushing, or abrasive blasting, dirt, rust, and other impurities can be physically removed from the steel surface. 2. Chemical Cleaning: This technique involves the use of chemical agents to dissolve or loosen dirt, grease, oil, or rust. Different chemicals are utilized based on the type and severity of contaminants. Acid pickling, for instance, immerses the steel in an acid solution to eliminate scale and rust. 3. High-pressure Water Cleaning: High-pressure water jets forcefully eliminate dirt, grease, and other impurities from the steel surface. This method effectively removes loose particles and can be used as a preliminary step before other surface preparation techniques. 4. Ultrasonic Cleaning: By utilizing high-frequency sound waves, ultrasonic cleaning creates microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the steel surface, effectively removing hard-to-reach contaminants. 5. Electrochemical Cleaning: This method involves passing an electric current through a cleaning solution or electrolyte to aid in the removal of contaminants from the steel surface. It is particularly useful in eliminating rust and restoring the steel's appearance. 6. Thermal Cleaning: Thermal cleaning methods, such as flame cleaning or heat treatment, subject the steel to high temperatures. This process burns off organic contaminants or induces controlled oxidation, subsequently removing scale, rust, or other surface impurities. It is important to consider various factors, including the type of contaminants, steel condition, desired cleanliness level, and application requirements when choosing a surface cleaning method. Combining different methods may yield the most optimal results.
- Q:What are the main applications of special steel in the telecommunications sector?
- Special steel is commonly used in the telecommunications sector for various applications. One of the main uses of special steel in this industry is for the manufacturing of transmission towers and antenna structures. These steel structures provide the necessary support and stability for telecommunication equipment, ensuring reliable signal transmission. Additionally, special steel is also utilized in the production of cables and wires, which are crucial for transmitting data and electricity in telecommunication networks. The high strength and durability of special steel make it ideal for withstanding the harsh outdoor conditions that telecommunication infrastructure often faces.
- Q:Can special steel be used in the food processing industry?
- Yes, special steel can be used in the food processing industry. Special steel, such as stainless steel, is commonly used in food processing equipment and utensils due to its corrosion resistance, durability, and ability to maintain hygiene standards. It is suitable for applications that require frequent cleaning, exposure to moisture, and contact with food, ensuring the safety and quality of food processing operations.
- Q:What are the requirements for special steel used in high-strength applications?
- Special steel used in high-strength applications typically has specific requirements to ensure its performance and durability. These requirements include: 1. High tensile strength: Special steel used in high-strength applications must have a high tensile strength to withstand heavy loads and resist deformation. This allows it to handle greater stresses without failure. 2. Excellent toughness: The steel should possess excellent toughness, which refers to its ability to absorb energy and resist fracture. This is crucial in high-strength applications as it prevents sudden and catastrophic failure under impact or dynamic loading conditions. 3. Superior hardness: High-strength steel needs to have a high level of hardness to resist wear, abrasion, and indentation. This ensures that the material maintains its structural integrity and performance even under extreme conditions. 4. Good ductility: While high tensile strength is essential, the steel should also possess good ductility, which allows it to undergo plastic deformation without fracturing. This property is vital in applications where the steel needs to be formed or shaped during manufacturing processes. 5. Resistance to corrosion: Special steel used in high-strength applications should have excellent corrosion resistance to prevent degradation caused by exposure to moisture, chemicals, or harsh environments. This ensures its longevity and reliability in various conditions. 6. Heat resistance: Some high-strength applications involve exposure to high temperatures, so the steel should have good heat resistance to maintain its mechanical properties and structural stability under elevated temperatures. 7. Controlled alloying elements: Special steel used in high-strength applications often contains specific alloying elements such as chromium, molybdenum, nickel, or vanadium. These elements are added to improve the steel's strength, toughness, hardness, and other desired properties. 8. Precise composition and microstructure: The steel should have a well-controlled composition and microstructure to ensure consistent and predictable mechanical properties. This can be achieved through precise manufacturing processes, such as controlled cooling rates or heat treatments. Meeting these requirements ensures that special steel used in high-strength applications can withstand the demanding conditions it is subjected to, providing reliable performance, longevity, and safety.
- Q:What are the main factors affecting the heat resistance of special steel?
- The heat resistance of special steel is determined by several key factors, including its alloy composition, microstructure, and heat treatment. The addition of specific elements like chromium, nickel, molybdenum, and tungsten can enhance the steel's ability to withstand high temperatures by forming stable oxide layers on its surface, which protect against oxidation and corrosion. The microstructure of special steel also plays a role in its heat resistance. Factors like grain size, phase distribution, and the presence of precipitates can affect the steel's thermal stability. Fine-grained structures and a homogeneous phase distribution improve resistance to creep, while precipitates like carbides or intermetallic compounds strengthen the steel and prevent thermal softening. Heat treatment processes, such as quenching and tempering, have a significant impact on the heat resistance of special steel. Proper heat treatment optimizes the microstructure and enhances mechanical properties, including resistance to thermal degradation. Controlled quenching, for example, promotes the formation of a martensitic structure, which increases hardness and strength at high temperatures. Other factors that influence heat resistance include impurities, surface conditions, and environmental factors. Impurities like sulfur and phosphorus can reduce resistance to high temperatures by promoting brittle phase formation or oxidation. Surface conditions, such as roughness or cracks, can cause localized heating and accelerated degradation. Environmental factors like corrosive gases or high humidity can also promote oxidation or corrosion. In conclusion, the heat resistance of special steel is affected by alloy composition, microstructure, heat treatment, impurities, surface conditions, and environmental factors. Understanding and optimizing these factors are crucial for developing special steel with superior heat resistance for various industrial applications.
- Q:What are the properties of boron steel?
- Boron steel, also known as boron-alloyed steel, possesses several unique properties. It is exceptionally strong and has a high tensile strength, making it ideal for applications that require high-strength materials. Boron steel also exhibits good hardenability, meaning it can be hardened by heat treatment processes such as quenching and tempering. Additionally, it has excellent wear resistance and is often used in the manufacturing of cutting tools and wear-resistant components. Moreover, boron steel offers good weldability and formability, allowing it to be easily shaped and joined. Overall, the properties of boron steel make it a valuable material in various industries, including automotive, construction, and tool manufacturing.
- Q:What are the different corrosion-resistant grades of special steel?
- Various industries commonly use several grades of special steel that are resistant to corrosion. These grades are specifically designed to maintain their structural integrity and resist corrosion in harsh environments. Some examples of these corrosion-resistant grades of special steel include: 1. Stainless Steel: Stainless steel is widely used and highly popular for its corrosion-resistant properties. It contains at least 10.5% chromium, which forms a protective oxide layer on the surface, preventing corrosion. There are different types of stainless steel, such as austenitic, ferritic, and martensitic, each offering different levels of corrosion resistance. 2. Duplex Stainless Steel: Duplex stainless steel combines the corrosion resistance of both austenitic and ferritic stainless steels. It offers superior corrosion resistance compared to conventional stainless steel grades. With a high chromium content and other alloying elements like molybdenum and nitrogen, it provides enhanced resistance to pitting, crevice corrosion, and stress corrosion cracking. 3. Super Duplex Stainless Steel: Super duplex stainless steel is an even higher grade of corrosion-resistant steel compared to duplex stainless steel. It contains higher amounts of chromium and molybdenum, making it highly resistant to corrosive environments, such as seawater, chemicals, and acids. It is commonly used in offshore oil and gas industries. 4. Nickel Alloys: Nickel alloys, including Inconel and Hastelloy, are special steel grades with high corrosion resistance. These alloys have a significant nickel content, along with elements like chromium and molybdenum, which provide resistance to various corrosive environments, including high temperatures and acidic conditions. 5. Titanium Alloys: Titanium alloys are well-known for their exceptional corrosion resistance, particularly in aggressive media like seawater and chemical processing environments. These alloys have low density, high strength, and superior resistance to pitting, crevice corrosion, and stress corrosion cracking. 6. Aluminum Alloys: Certain aluminum alloys, such as 5052 and 6061, are also corrosion-resistant special steel grades. They form a protective oxide layer on the surface, offering excellent resistance to atmospheric corrosion. Aluminum alloys are commonly used in marine and aerospace applications. These examples represent only a few of the corrosion-resistant grades of special steel available. The selection of the appropriate grade depends on factors such as the specific corrosive environment, temperature, required mechanical properties, and other considerations related to the intended application.
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Hot Rolled Carbon 25mm Thick Mild Steel Plate S45c
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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