ASTM Reinforcing Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 190 m.t.
- Supply Capability:
- 500000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
ASTM Reinforcing Steel Rebar
Description of ASTM Reinforcing Steel Rebar
1, Diameter: 5.5mm-10mm ASTM Reinforcing Steel Rebar
10m- 40mm ASTM Reinforcing Steel Rebar
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 Reinforcing Steel Rebar
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 Reinforcing Steel Rebar
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 tested for quality?
- Special steel is tested for quality through a series of rigorous examinations and tests. These include visual inspections, chemical composition analysis, mechanical property testing, and non-destructive testing methods such as ultrasonic testing and magnetic particle testing. These tests ensure that the special steel meets the necessary standards and specifications for its intended use, guaranteeing its quality and performance.
- Q: How is special steel used in the production of bearings?
- Special steel is used in the production of bearings because it offers superior strength, hardness, and corrosion resistance properties. This type of steel ensures the bearings can handle heavy loads, high speeds, and harsh operating conditions. Additionally, special steel allows for precise machining and ensures accurate dimensions, resulting in durable and reliable bearings used in various industries, including automotive, aerospace, and manufacturing.
- Q: What are the applications of special steel in the marine sector?
- Special steel, also known as marine grade steel, offers a wide range of applications in the marine sector. One of the key uses of special steel in this industry is for shipbuilding. Special steel is highly resistant to corrosion, making it ideal for the construction of ships and other marine vessels that are constantly exposed to harsh weather conditions and saltwater. Another significant application of special steel in the marine sector is for offshore structures. Offshore platforms, such as oil rigs and wind turbines, require materials that can withstand the harsh marine environment, including corrosion, high pressure, and extreme temperatures. Special steel is known for its exceptional strength and durability, making it a preferred choice for these structures. Additionally, special steel is also used in the manufacturing of marine equipment and components. For example, propeller shafts, anchor chains, and underwater pipelines are often made from special steel due to its excellent mechanical properties and resistance to corrosion. Special steel is also used in the production of marine engines, ensuring reliable performance and longevity in marine applications. Furthermore, special steel is utilized in the construction of port infrastructure, such as piers, docks, and harbor structures. These structures need to withstand the constant exposure to sea water, heavy loads, and dynamic forces, making special steel an ideal material choice for their construction. In conclusion, the applications of special steel in the marine sector are numerous and vital. Its corrosion resistance, strength, and durability make it an essential material for shipbuilding, offshore structures, marine equipment, and port infrastructure. The utilization of special steel ensures the longevity and reliability of marine assets while operating in harsh marine environments.
- Q: What are the properties of high-strength tool steel?
- High-strength tool steel possesses several key properties such as excellent hardness, exceptional wear resistance, high toughness, and good dimensional stability. It also exhibits high strength, good machinability, and the ability to withstand high temperatures, making it suitable for applications requiring heavy-duty cutting and shaping tools.
- Q: What are the different methods of controlling the grain size in special steel?
- Some of the different methods of controlling the grain size in special steel include thermomechanical processing, alloying elements, grain refinement techniques such as grain size control agents, and heat treatment methods like annealing and quenching.
- Q: What are the main characteristics of corrosion-resistant steel?
- Corrosion-resistant steel, also known as stainless steel, is a type of steel alloy that possesses unique characteristics that make it highly resistant to corrosion. Here are the main characteristics of corrosion-resistant steel: 1. High resistance to corrosion: One of the primary characteristics of corrosion-resistant steel is its ability to resist corrosion. This is achieved through the addition of specific alloying elements, such as chromium, nickel, and molybdenum, which form a protective layer on the surface of the steel. This protective layer, known as the passive layer, prevents the underlying steel from coming into contact with corrosive substances, such as moisture, chemicals, and acids. 2. Excellent durability: Corrosion-resistant steel exhibits exceptional durability, making it suitable for various applications in harsh environments. It can withstand exposure to extreme temperatures, high humidity levels, and corrosive chemicals without deteriorating or losing its structural integrity. This durability ensures that structures made from corrosion-resistant steel have a long service life, reducing the need for frequent maintenance and replacements. 3. Aesthetic appeal: In addition to its functional properties, corrosion-resistant steel also offers aesthetic appeal. Its smooth and polished surface gives it a visually pleasing appearance, making it a popular choice for architectural applications, interior design, and decorative elements. The ability to maintain its appearance over time, without rusting or discoloration, adds to its desirability in both industrial and domestic settings. 4. High strength: Corrosion-resistant steel is known for its high strength and toughness. It retains its mechanical properties even in corrosive environments, allowing it to withstand heavy loads, impacts, and other external forces. This strength makes it suitable for applications where structural integrity and safety are crucial, such as bridges, buildings, marine equipment, and automotive components. 5. Versatility: Corrosion-resistant steel offers versatility in terms of its applications. It can be easily fabricated, welded, machined, and formed into various shapes and sizes, allowing for customization and adaptability. This versatility makes it ideal for a wide range of industries, including construction, aerospace, automotive, chemical processing, and marine. 6. Hygienic properties: Another important characteristic of corrosion-resistant steel is its hygienic properties. Its non-porous surface prevents the growth of bacteria, making it suitable for applications in the food and beverage industry, healthcare facilities, and pharmaceutical manufacturing. The ease of cleaning and maintenance further enhances its hygiene standards. Overall, corrosion-resistant steel combines excellent resistance to corrosion with durability, strength, versatility, and aesthetic appeal. These characteristics make it a reliable and cost-effective material for various industries, ensuring long-term performance and protection against the damaging effects of corrosion.
- Q: What are the common challenges in welding special steel?
- Welding special steel can present several challenges that differ from welding regular carbon steel. Some common challenges in welding special steel include: 1. High carbon content: Special steels often have a high carbon content, which can lead to increased hardness and brittleness. This can make it more difficult to achieve a proper weld without experiencing cracking or other defects. 2. High alloy content: Special steels often contain various alloying elements, such as chromium, nickel, or molybdenum, which can impact the weldability. These elements can introduce complexities, such as increased susceptibility to heat-affected zone (HAZ) cracking or the formation of brittle phases. 3. Heat sensitivity: Special steels are often more sensitive to heat input during welding. Excessive heat input can result in grain growth, reduced mechanical properties, or distortion of the welded structure. Therefore, careful control of heat input and preheating techniques may be necessary. 4. Pre-weld and post-weld treatments: Special steels may require specific pre-weld and post-weld treatments to ensure proper weld quality and performance. These treatments can include preheating, stress relieving, or post-weld heat treatment. Failure to follow these procedures can lead to the development of residual stresses or reduced mechanical properties. 5. Joint design and fit-up: The design and fit-up of the weld joint can also pose challenges. Special steels may require specific joint configurations, such as a double-V or double-U groove, to ensure proper penetration and fusion. Additionally, tight tolerances may be necessary to maintain the desired mechanical properties of the welded structure. 6. Welding process selection: The choice of welding process can greatly impact the success of welding special steel. Some processes, such as TIG or laser welding, may be more suitable for welding high-alloy steels, while others like MIG or submerged arc welding may be better suited for specific applications. Selecting the appropriate welding process is crucial to achieving a sound weld with the desired properties. To overcome these challenges, it is essential to have a thorough understanding of the specific type of special steel being welded and to follow proper welding procedures and techniques. This may involve conducting pre-weld qualification tests, employing suitable welding consumables, and ensuring proper heat control throughout the welding process. Additionally, working with experienced welders and seeking guidance from experts in special steel welding can help overcome these challenges effectively.
- Q: What is the cost of special steel compared to other materials?
- The cost of special steel compared to other materials can vary depending on a range of factors. Special steel, also known as alloy steel or tool steel, is typically more expensive than regular carbon steel due to its enhanced properties and composition. Its high strength, durability, and resistance to wear and corrosion make it suitable for specialized applications in industries such as automotive, aerospace, and construction. Compared to non-ferrous metals like aluminum or copper, special steel often comes at a lower cost. However, it is important to consider that different types of special steel can have varying price points. For instance, stainless steel, which contains chromium and other elements for enhanced corrosion resistance, tends to be more expensive than carbon steel. When comparing the cost of special steel with other materials such as plastics or composites, it is crucial to evaluate the specific requirements of the project. While these alternatives might have lower initial costs, they may not possess the same level of strength, heat resistance, or durability as special steel. Therefore, the long-term benefits and savings provided by special steel, such as reduced maintenance, longer lifespan, and improved performance, should also be taken into account. Ultimately, the cost of special steel compared to other materials is influenced by factors like the type and grade of steel, market demand, quantity needed, and any additional processing or finishing required. Consulting with suppliers, considering the specific application requirements, and conducting a thorough cost-benefit analysis will help determine the most suitable and cost-effective material choice for a particular project.
- Q: How are cobalt-based alloys used in dental applications?
- Cobalt-based alloys are used in dental applications due to their unique properties such as high strength, corrosion resistance, and biocompatibility. They are commonly used in dental prosthesis, crowns, and bridges because they can withstand the harsh oral environment and provide long-term durability. Additionally, these alloys allow for precise and accurate fitting, ensuring optimal functionality and aesthetic appeal in dental restorations.
- Q: What are the limitations of using special steel in high-temperature applications?
- The utilization of special steel in high-temperature scenarios comes with its own set of constraints. One notable limitation is the potential for thermal expansion. Similar to other materials, special steel expands when subjected to high temperatures. This expansion can result in changes in dimensions and internal stress, which can impact the overall performance and integrity of the structure. Another constraint is the likelihood of oxidation and corrosion. Elevated temperatures can expedite the oxidation process, leading to the formation of oxides on the steel's surface. These oxides can cause corrosion and weaken the material over time. To counteract this drawback, special steel alloys with enhanced resistance to oxidation and corrosion are frequently employed in high-temperature applications. Additionally, special steel may experience a decrease in strength at higher temperatures. The mechanical properties of the material, such as tensile strength and hardness, can be significantly diminished as the temperature rises. This reduction in strength can compromise the structural integrity of the component, making it more susceptible to failure. Lastly, special steel may possess a limited temperature range within which its desired properties can be maintained. Beyond a certain temperature threshold, the material may undergo phase transformations or experience degradation, resulting in a loss of its intended characteristics. It is crucial to carefully assess the operating temperature and select the appropriate special steel alloy with a suitable temperature range for the specific high-temperature application. In conclusion, while special steel presents numerous advantages for high-temperature applications, such as exceptional strength, durability, and heat resistance, it is vital to acknowledge its limitations. Considerations such as thermal expansion, oxidation and corrosion, reduced strength at high temperatures, and temperature restrictions must be taken into account and addressed when utilizing special steel in these applications.
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ASTM Reinforcing Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 190 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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