Grade SAE A36 CNBM Carbon Steel Round Bar with High Quality
- Ref Price:
-
$390.00 - 500.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 3 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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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Product Description
1. Diameter: 8mm-250mm rou
2. Length: 2m, 3m, 5.8m, 6m or customized
3. Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
4. Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -hot rolled or forged -steel round bar and plate
5. Heat Treatment: annealing, normalizing, tempering, quenching
6. Surface Treatment: Black, Polished, Galvanized
7. Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition
C | Si | Mn | P | S | S |
0.14~0.22% | ≤0.30 | 0.30~0.65 | ≤0.045 | ≤0.050 | ≤0.050 |
Application:
Mold bottom,
Plastic mold
Construction machinery parts
Automobile parts, Security grills, Screens, Construction
Company Information:
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
Packing & Delivery
1. Packaging: seaworthy package or as required
2. Delivery: 35-45 days or based on quantity
Products Show
FAQ:
1.Your advantages?
Professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent
customer solution proposale
2. Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3. Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department
of these factories. Also CNBM is the holding company of many factories.
4. Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5. Trading Terms?
EXW, FOB, CIF, FFR, CNF
6. After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business
partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: What are the applications of special steel in the oil and gas industry?
- Special steel is widely used in the oil and gas industry for various applications. It is commonly utilized in the construction of pipelines, as it possesses high strength and corrosion resistance, which ensures the safe and efficient transportation of oil and gas. Special steel is also employed in the manufacturing of drilling equipment, such as drill bits, casing, and tubing, as it can withstand extreme conditions, including high pressure and temperature. Furthermore, special steel is utilized in the fabrication of storage tanks and offshore platforms, providing durability and resistance to harsh environmental factors. Overall, the applications of special steel in the oil and gas industry contribute to the reliability and longevity of the infrastructure and equipment involved in the extraction, processing, and transportation of oil and gas.
- Q: What are the different forming techniques used for special steel?
- Some of the different forming techniques used for special steel include rolling, forging, extrusion, and casting.
- Q: What are the factors that affect the weldability of special steel?
- The factors that affect the weldability of special steel include the composition of the steel, including the presence of elements such as carbon, alloying elements, and impurities; the heat treatment history of the steel; the thickness and shape of the steel; the welding process and parameters used; and the skill and experience of the welder.
- Q: What are the factors that can affect the machinability of special steel?
- There are several factors that can affect the machinability of special steel. One of the main factors is the composition of the steel. The presence of certain elements such as carbon, chromium, and nickel can greatly influence the machinability. For example, high carbon content can result in increased hardness and brittleness, making the steel more difficult to machine. On the other hand, the addition of elements like sulfur and lead can improve machinability by enhancing chip formation and reducing friction. The heat treatment of the steel also plays a significant role in machinability. Different heat treatments, such as annealing or quenching, can alter the microstructure of the steel, affecting its hardness and toughness. Heat-treated steels may be more difficult to machine due to their increased hardness or the presence of residual stresses. The mechanical properties of special steel, such as hardness and tensile strength, can also impact machinability. Harder steels require more cutting force and may result in increased tool wear or vibration during machining. Similarly, steels with high tensile strength may pose challenges in terms of chip formation and tool life. The cutting conditions and machining parameters used also affect machinability. Factors such as cutting speed, feed rate, and depth of cut can significantly impact the process. High cutting speeds can result in increased temperatures and tool wear, while low cutting speeds may lead to poor surface finish. Additionally, the choice of cutting tools, their geometry, and their coatings can also influence the machinability of special steel. Finally, the presence of impurities or contaminants in the steel, such as non-metallic inclusions or surface defects, can negatively affect machinability. These impurities can cause tool wear, poor surface finish, or even tool breakage. Therefore, the quality and cleanliness of the steel are crucial for achieving good machinability. In summary, the factors that can affect the machinability of special steel include its composition, heat treatment, mechanical properties, cutting conditions, and the presence of impurities. Understanding and optimizing these factors can help improve the machinability and overall performance of special steel during machining operations.
- Q: What are the different manufacturing processes used for special steel?
- There are several different manufacturing processes used for special steel, depending on the specific requirements and properties desired for the final product. Some of the commonly used manufacturing processes for special steel include: 1. Electric Arc Furnace (EAF): This process involves melting scrap metal in an electric arc furnace, where high electrical current passes through the electrodes to melt the metal. EAF is commonly used for producing stainless steel, tool steel, and alloy steel. 2. Basic Oxygen Furnace (BOF): BOF is a process where molten iron from a blast furnace is combined with scrap metal and oxygen is blown through the mixture to remove impurities. BOF is widely used for producing carbon and low-alloy steels. 3. Vacuum Degassing: This process is used to remove impurities like hydrogen, nitrogen, and sulfur from steel by subjecting it to a vacuum environment. Vacuum degassing is often employed for producing high-quality and ultra-clean special steels. 4. Continuous Casting: In this process, molten steel is poured into a water-cooled mold, where it solidifies into a continuous strand. Continuous casting helps to produce steel with a consistent shape, size, and internal structure, and is commonly used for semi-finished products like billets, slabs, and blooms. 5. Powder Metallurgy: This manufacturing process involves compacting metal powders into the desired shape and then sintering them at high temperatures to bond the particles together. Powder metallurgy is often used for producing special steels with specific properties, such as high strength, wear resistance, or corrosion resistance. 6. Heat Treatment: Heat treatment processes like annealing, quenching, and tempering are commonly employed to modify the microstructure and properties of special steels. These processes involve heating the steel to specific temperatures and then cooling it in a controlled manner to achieve desired hardness, toughness, and other mechanical properties. Each of these manufacturing processes has its own advantages and limitations, and the choice of process depends on factors such as the type of steel required, the desired properties, and the cost-effectiveness of the process for a particular application.
- Q: What are the different types of heat-resistant steel?
- There are several different types of heat-resistant steel, including austenitic stainless steel, martensitic stainless steel, ferritic stainless steel, and nickel-based alloys.
- Q: What are the different corrosion testing methods used for special steel?
- There are several corrosion testing methods utilized for special steel to assess and evaluate its resistance against corrosion. Some of the commonly used techniques include: 1. Salt Spray Testing: This method involves subjecting the special steel to a controlled saltwater mist environment. The steel specimen is placed in a salt spray chamber, and the exposure duration can vary depending on the specific requirements. The resulting corrosion can be visually evaluated and compared against standard criteria. 2. Electrochemical Testing: Electrochemical techniques such as potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) are widely used to study the corrosion behavior of special steel. These methods involve measuring the current and potential responses of the steel in various corrosive solutions to determine the corrosion rate and other electrochemical parameters. 3. Immersion Testing: In this method, the special steel is immersed in a specific corrosive solution for a predetermined period. The solution can be acidic, alkaline, or even simulated seawater depending on the intended application. The weight loss or surface damage caused by corrosion is then measured and compared to evaluate the steel's corrosion resistance. 4. Crevice Corrosion Testing: This technique focuses on evaluating the susceptibility of special steel to crevice corrosion, which occurs in confined spaces or gaps. A crevice is created between the steel specimen and another material, and a corrosive solution is introduced into the crevice. The severity of crevice corrosion is assessed by measuring the depth of attack or using electrochemical methods. 5. Intergranular Corrosion Testing: Special steel can be prone to intergranular corrosion, which occurs along the grain boundaries. Tests like the Strauss test or the Huey test are conducted to determine the steel's susceptibility to this form of corrosion. These tests involve immersing the steel in a corrosive solution at elevated temperatures and assessing the extent of intergranular attack. 6. Accelerated Testing: Accelerated corrosion testing methods aim to simulate long-term corrosion effects within a shorter time frame. Techniques like cyclic corrosion testing, which includes alternating exposure to various corrosive environments, can provide valuable insights into the steel's performance under realistic conditions in a shorter time period. It is important to note that the selection of the corrosion testing method depends on the specific requirements, intended application, and environmental factors that the special steel will be exposed to.
- Q: How does special steel contribute to the mining machinery industry?
- Special steel plays a crucial role in the mining machinery industry by offering exceptional strength, durability, and resistance to wear and corrosion. This type of steel is specifically engineered to withstand the harsh and demanding conditions that are typically encountered in mining operations. In the mining machinery industry, equipment such as drills, excavators, loaders, crushers, and conveyor systems are subjected to extreme stress, heavy loads, and abrasive materials. Special steel components can be found in various parts of these machines, including buckets, tracks, cutting edges, gears, and hydraulic components. The high strength and toughness of special steel ensure that mining machinery can withstand the immense forces and impacts involved in excavation, hauling, and processing of minerals. This durability helps to extend the lifespan of the equipment, reducing the need for frequent replacements and minimizing downtime, which ultimately leads to cost savings for mining companies. Moreover, special steel's resistance to wear and corrosion is vital in the mining industry. The presence of abrasive materials and corrosive substances in the mining environment can lead to rapid deterioration of machinery components. However, special steel alloys are designed to resist wear and corrosion, thereby enhancing the longevity and performance of mining machinery. Additionally, special steel enables mining machinery to operate efficiently and effectively. Its high strength-to-weight ratio allows for the construction of lightweight yet robust equipment, improving mobility and productivity in mining operations. The use of special steel also enables the design of complex components with intricate shapes, ensuring optimal functionality and performance. Overall, special steel is an indispensable material in the mining machinery industry. Its exceptional strength, durability, resistance to wear and corrosion, and ability to enhance efficiency make it a vital component in the design and construction of mining equipment. By incorporating special steel, mining machinery can withstand the harsh conditions and heavy-duty tasks involved in mining operations, ultimately contributing to increased productivity, reduced costs, and improved safety in the industry.
- Q: Can special steel be used in the beverage manufacturing industry?
- Yes, special steel can be used in the beverage manufacturing industry. Special steel, such as stainless steel, is often preferred due to its corrosion resistance, hygienic properties, and durability. It is commonly used in various components of beverage production equipment, including tanks, pipes, valves, and fittings, to ensure the integrity and quality of the final product.
- Q: What are the different methods of surface laser cladding for special steel?
- Special steel can undergo surface laser cladding using various methods. Powder-based laser cladding is one such method, involving the injection of powder material into the laser beam. This material then melts and fuses with the special steel surface, offering desired properties like enhanced hardness or corrosion resistance. With this method, precise control over the cladding layer's thickness and composition is achievable. Wire-based laser cladding is another method. Here, a wire material is fed into the laser beam, which then melts and fuses with the special steel surface. Wire-based laser cladding is predominantly used for larger areas or when a thicker cladding layer is needed. It is also commonly employed to repair or salvage worn or damaged parts. A third technique is direct energy deposition (DED) laser cladding. This method utilizes a laser beam to melt a powder or wire material while depositing it onto the special steel surface. DED laser cladding facilitates the rapid buildup of multiple layers and is often utilized in additive manufacturing or for repairing high-value components. The choice of method for surface laser cladding depends on various factors, including the desired cladding thickness, material properties, and specific application requirements. Each method has its own advantages and limitations.
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Grade SAE A36 CNBM Carbon Steel Round Bar with High Quality
- Ref Price:
-
$390.00 - 500.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 3 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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