Astm 615 Gr40 Gr60 Deformed Steel Rebars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 200 m.t.
- Supply Capability:
- 500000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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Item specifice
Type:
Carbon Steel
Shape:
Steel Round Bar
Astm 615 Gr40 Gr60 Deformed Steel Rebars
Description of Astm 615 Deformed Steel Rebars
1, Diameter: 5.5mm-10mm Astm 615 Deformed Steel Rebars
10m- 40mm Astm 615 Deformed Steel Rebars
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black
5, 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 of Astm 615 Deformed Steel Rebars
Grade | Technical data of the original chemical composition(%) | |||||
Reinforcing steel bar HRB335 | C | Mn | Si | S | P | B |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 335 | ≥490 | ≥16 | ||||
Reinforcing steel bar HRB400 | C | Mn | Si | S | P | B |
≤0.25 | ≤0.16 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 400 | ≥ 570 | ≥ 14 | ||||
Products Show of Astm 615 Deformed Steel Rebars
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.
F A Q
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:How is special steel used in the production of springs?
- Special steel is used in the production of springs due to its excellent mechanical properties. It provides the necessary strength, durability, and elasticity required for springs to function effectively. The unique composition and heat treatment of special steel enable springs to withstand high levels of stress and repetitive loading, ensuring their longevity and reliability in various applications such as automotive, aerospace, and machinery industries.
- Q:What are the requirements for special steel used in textile machinery?
- The requirements for special steel used in textile machinery include high strength and durability, excellent corrosion resistance, good wear resistance, and the ability to withstand high temperatures and pressures. Additionally, the steel should have good machinability and be able to maintain dimensional stability under various operating conditions.
- Q:What are the different methods for improving the fatigue strength of special steel?
- There are several methods for improving the fatigue strength of special steel. 1. Heat treatment: One of the most common methods is through heat treatment processes such as annealing, quenching, and tempering. These processes help to refine the microstructure of the steel, reducing the presence of impurities, and improving its fatigue resistance. 2. Surface treatment: Surface treatments like shot peening and nitriding can enhance the fatigue strength of special steel. Shot peening involves bombarding the surface of the steel with tiny metal particles, inducing compression stress in the material, which helps to prevent crack initiation and propagation. Nitriding involves diffusing nitrogen into the surface layer of the steel, forming a hard and wear-resistant nitride layer that enhances the fatigue resistance. 3. Alloying: Alloying special steel with certain elements can significantly improve its fatigue strength. For example, adding chromium, molybdenum, or vanadium can enhance the steel's hardenability and resistance to fatigue. These alloying elements form carbides or nitrides, which act as barriers to crack propagation. 4. Surface coatings: Applying protective coatings like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD) can help improve the fatigue strength. These coatings provide a barrier against environmental factors that may lead to corrosion or surface damage, ultimately enhancing the fatigue life of the steel. 5. Grain refinement: By refining the grain size of the steel through processes like severe plastic deformation or equal channel angular pressing (ECAP), the fatigue strength can be improved. Fine-grained steels have a higher resistance to crack initiation and propagation, resulting in enhanced fatigue properties. 6. Residual stress management: Controlling and managing residual stresses in the steel can improve its fatigue strength. Techniques like stress relieving or shot peening can help to reduce tensile residual stresses, which are detrimental to fatigue resistance. It is important to note that the selection of the most appropriate method for improving fatigue strength depends on the specific requirements, the type of special steel, and the intended application of the material.
- Q:What are the future trends in special steel manufacturing?
- The future trends in special steel manufacturing are likely to focus on advancements in technology, sustainability, and the development of new alloys. Firstly, technology will play a significant role in shaping the future of special steel manufacturing. Automation and robotics are expected to be increasingly integrated into the production process, leading to improved efficiency, precision, and reduced labor costs. This will also allow for better quality control and the ability to produce more complex and customized steel products. Secondly, sustainability will be a key focus in special steel manufacturing. As the world becomes more environmentally conscious, companies are seeking ways to reduce their carbon footprint. This includes employing cleaner production methods, such as using renewable energy sources and implementing recycling programs to minimize waste. Additionally, there will likely be a shift towards developing greener alloys with reduced environmental impact. Furthermore, the development of new alloys will be crucial in meeting the evolving needs of various industries. With advancements in material science, special steel manufacturers will be able to create alloys with enhanced properties, such as increased strength, durability, corrosion resistance, and heat resistance. These new alloys will cater to the growing demand for high-performance materials in sectors like aerospace, automotive, energy, and construction. Moreover, the future of special steel manufacturing is also likely to be influenced by the increasing demand for lightweight materials. As industries strive to improve fuel efficiency and reduce emissions, there will be a need for special steel alloys that offer high strength-to-weight ratios. This will drive research and development efforts towards creating lighter yet stronger steel products. In conclusion, the future trends in special steel manufacturing will revolve around technological advancements, sustainability, and the development of new alloys. These trends will shape the industry, bringing about increased automation, cleaner production methods, and the creation of innovative alloys to meet the changing needs of various sectors.
- Q:What are the different methods of machining special steel?
- There are several different methods of machining special steel, each with its own advantages and applications. Some of the most common methods include: 1. Turning: Turning is a machining process that involves rotating a workpiece while a cutting tool removes material from the surface. This method is typically used to create cylindrical shapes and can produce high-quality finishes. 2. Milling: Milling is a versatile machining method that uses rotary cutters to remove material from a workpiece. It can be used to create complex shapes and contours, and is often employed in the production of special steel components. 3. Drilling: Drilling is a machining process that involves creating holes in a workpiece using a rotating cutting tool. It can be used to create both through holes and blind holes in special steel, and is commonly used in various industries. 4. Grinding: Grinding is a precision machining method that uses an abrasive wheel to remove material from a workpiece's surface. It is often used to achieve tight tolerances and smooth finishes on special steel components. 5. Broaching: Broaching is a machining process that uses a sharp cutting tool with multiple teeth to remove material in a series of linear cuts. It is commonly used to create keyways, splines, and other intricate shapes in special steel. 6. Electrical Discharge Machining (EDM): EDM is a non-traditional machining method that uses electrical discharges to remove material from a workpiece. It is particularly useful for machining special steel with complex shapes or for creating small features. 7. Laser Cutting: Laser cutting utilizes a high-powered laser to cut through special steel with extreme precision. It is commonly used for intricate designs and can produce smooth edges without the need for subsequent processing. Each of these methods has its own advantages and limitations, and the choice of machining method depends on factors such as the desired outcome, the complexity of the part, and the properties of the special steel being machined.
- Q:How does special steel perform in high-temperature corrosion?
- Special steel has been specifically engineered to excel in environments with high-temperature corrosion. Its exceptional properties grant it exceptional resistance against oxidation and corrosive reactions when subjected to elevated temperatures. The high chromium content found in special steel is a key factor contributing to its performance in high-temperature corrosion. Chromium creates a protective oxide layer, referred to as a passive film, which functions as a barrier against corrosive elements. This passive film remains stable even under high temperatures, successfully preventing oxidation and corrosion. Furthermore, special steel often incorporates additional alloying elements like nickel, molybdenum, and titanium, which further enhance its ability to resist high-temperature corrosion. These elements augment the steel's capacity to withstand aggressive chemical environments typically encountered in industrial processes involving high temperatures and corrosive substances. Moreover, special steel is renowned for its remarkable mechanical properties, which encompass high strength and toughness. These qualities enable the steel to endure the harsh conditions associated with high-temperature corrosion. Even when exposed to extreme temperatures and corrosive chemicals, it can retain its structural integrity and dimensional stability. In conclusion, special steel's exceptional resistance against high-temperature corrosion makes it the ideal choice for various applications in industries such as petrochemical, power generation, and aerospace. Its capacity to maintain performance and durability in challenging environments guarantees the longevity and reliability of equipment and structures, ultimately reducing maintenance and replacement expenses.
- Q:What are the different powder coating techniques used for special steel?
- Some of the different powder coating techniques used for special steel include electrostatic spray deposition, fluidized bed coating, and flame spray coating.
- Q:How does special steel contribute to the pharmaceutical aftermarket industry?
- Special steel plays a crucial role in the pharmaceutical aftermarket industry by offering several benefits that contribute to the overall efficiency and quality of pharmaceutical products. Firstly, special steel is highly resistant to corrosion and wear, making it ideal for manufacturing pharmaceutical equipment such as tanks, vessels, and pipelines. This resistance ensures that the equipment remains intact and free from contaminants, preventing any potential contamination of pharmaceutical products. Moreover, special steel possesses excellent heat resistance properties, allowing it to withstand high temperatures without deforming or degrading. This is particularly important in pharmaceutical manufacturing processes that involve the use of heat, such as sterilization or drying. The heat resistance of special steel ensures that the equipment remains stable and reliable throughout these processes, guaranteeing the safety and efficacy of pharmaceutical products. Furthermore, special steel is known for its high strength and durability, enabling it to withstand rigorous usage in the pharmaceutical industry. This is particularly important in the aftermarket industry, where pharmaceutical equipment may undergo frequent repairs or modifications. The strength and durability of special steel ensure that the equipment can be easily maintained and repaired, reducing downtime and minimizing costs for pharmaceutical companies. Additionally, special steel offers excellent hygiene properties, as it can be easily cleaned and sanitized. This is crucial in the pharmaceutical industry, where strict hygiene standards are essential to prevent any contamination or cross-contamination of pharmaceutical products. The ease of cleaning and sanitization provided by special steel ensures that pharmaceutical equipment remains free from any potential sources of contamination, maintaining the integrity and quality of the products. In summary, special steel contributes significantly to the pharmaceutical aftermarket industry by providing corrosion resistance, heat resistance, strength, durability, and excellent hygiene properties. These features ensure the integrity, safety, and efficacy of pharmaceutical products, while also reducing maintenance costs and downtime for pharmaceutical companies. Therefore, special steel plays a vital role in the overall efficiency and success of the pharmaceutical aftermarket industry.
- Q:What are the advantages of using special steel in various industries?
- Special steel offers several advantages in various industries. Firstly, it has superior strength and durability, making it ideal for applications that require high performance and long-lasting materials. Secondly, special steel has excellent corrosion resistance, making it suitable for industries exposed to harsh environments, such as marine, oil and gas, and chemical industries. Additionally, special steel is highly versatile, allowing for customization and adaptability to specific requirements. It also provides excellent heat resistance, making it suitable for industries that involve high temperatures, such as aerospace and automotive sectors. Lastly, special steel offers great machinability, facilitating efficient and precise manufacturing processes. Overall, the use of special steel in various industries enhances performance, longevity, and cost-effectiveness.
- Q:What are the different standards and specifications for special steel?
- Special steel production and usage is governed by a variety of standards and specifications. These guidelines guarantee that the steel satisfies specific requirements and performance criteria for different purposes. Some of the commonly used standards and specifications for special steel are as follows: 1. AISI/SAE standards: Developed by the American Iron and Steel Institute (AISI) and the Society of Automotive Engineers (SAE), these standards classify special steel types based on their chemical composition and mechanical properties. They are widely used across various industries. 2. ASTM standards: The American Society for Testing and Materials (ASTM) provides standards for special steel materials in construction, manufacturing, and engineering applications. These standards define chemical composition, mechanical properties, and other necessary characteristics for specific grades of special steel. 3. EN standards: The European Committee for Standardization (CEN) has established the European Norm (EN) standards for steel products. Covering a wide range of steel grades, these standards specify chemical composition, mechanical properties, and testing procedures required for different types of special steel. 4. JIS standards: The Japanese Industrial Standards (JIS) outline the requirements for various types of steel used in Japan, including special steel. They provide guidelines for chemical composition, mechanical properties, and other quality parameters. 5. ISO standards: The International Organization for Standardization (ISO) has developed standards for steel materials used globally in different industries. These standards ensure compatibility and interchangeability of steel products by defining dimensions, tolerances, and performance requirements. 6. MIL-SPEC standards: The United States Department of Defense (DoD) has created military specifications (MIL-SPEC) for special steel used in defense applications. These standards define the requirements for special steel used in military equipment, weapons, and vehicles to ensure reliability and performance under harsh conditions. 7. API standards: The American Petroleum Institute (API) provides standards for special steel utilized in the oil and gas industry. These standards specify materials, dimensions, and other requirements for steel pipes, fittings, and equipment used in oil and gas exploration, production, and transportation. These examples represent only a fraction of the numerous standards and specifications available for special steel. Manufacturers and industries must comply with these standards to guarantee the quality, performance, and safety of special steel products in different applications.
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Astm 615 Gr40 Gr60 Deformed Steel Rebars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 200 m.t.
- Supply Capability:
- 500000 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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