Steel Rebar HRB400 Grade for Building Material
- Ref Price:
-
$300.00 - 500.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 150 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
Standard:
AISI,JIS,GB,BS,DIN,EN,ASTM
Thickness:
6mm
Technique:
Hot Rolled,Cold Rolled
Shape:
Round
Surface Treatment:
Galvanized,Black
Steel Grade:
RHB335,HRB400
Certification:
ISO,SGS
Length:
12m
Net Weight:
22kg
Steel Rebar HRB400 Grade for Building
Description of Steel Rebar HRB400 Grade for Building
1, Diameter: 5.5mm-10mm Steel Rebar HRB400 Grade for Building
10m- 40mm Steel Rebar HRB400 Grade for Building
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
2, Produce Process: 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.
Chemical Composition of Steel Rebar HRB400 Grade for Building
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 Steel Rebar HRB400 Grade for Building
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 does special steel perform in mining applications?
- Special steel performs exceptionally well in mining applications due to its unique properties and characteristics. It offers superior strength, hardness, and durability, making it highly resistant to wear, abrasion, and impact. This enables special steel to withstand the harsh and demanding conditions typically encountered in mining operations, including heavy loads, extreme temperatures, and corrosive environments. Additionally, its excellent machinability and weldability facilitate easy fabrication and repair of mining equipment, ensuring prolonged service life and efficient performance. Overall, special steel plays a crucial role in enhancing the productivity, safety, and reliability of mining operations.
- Q:What are the main characteristics of structural steel?
- Structural steel, renowned for its exceptional properties and characteristics, has become a widely utilized material in the construction industry. Its main attributes encompass: 1. Strength: Boasting an impressive strength-to-weight ratio, structural steel endures heavy loads and forces without compromising its structural integrity. As a result, it proves to be a durable and dependable choice for a multitude of construction applications. 2. Flexibility: The malleability of structural steel lends itself to effortless fabrication into diverse shapes and sizes, catering to specific project needs. This inherent flexibility empowers architects and engineers to fashion distinctive and groundbreaking structures. 3. Fire resistance: Steel's remarkable resistance to fire renders it an invaluable selection for buildings where fire protection holds utmost importance, particularly in towering edifices. Being non-combustible, it neither ignites nor aids the spread of flames. 4. Sustainability: With its high recyclability, structural steel emerges as an environmentally conscious material. At the end of its lifespan, it can be repurposed or reused, minimizing waste and conserving precious natural resources. Moreover, energy-efficient designs can be incorporated into steel structures, further contributing to sustainability. 5. Cost-effectiveness: Structural steel presents an economically viable solution for construction ventures. Its widespread availability renders it more affordable compared to alternative building materials. Furthermore, its strength and durability translate into reduced expenses for maintenance and repairs in the long run. 6. Expedited construction: The fabrication of steel structures off-site, followed by swift on-site erection, expedites construction timelines. This expeditious process curtails project duration and costs, making structural steel an ideal choice for time-sensitive undertakings. 7. Design versatility: The robustness and flexibility of structural steel facilitate the realization of a broad spectrum of architectural designs. With minimal support columns, large and open spaces can be achieved, granting architects unparalleled freedom in their creations. Consequently, steel emerges as an enticing option for numerous building types, encompassing commercial, industrial, and institutional structures. In conclusion, the main attributes of structural steel encompass strength, flexibility, fire resistance, sustainability, cost-effectiveness, expedited construction, and design versatility. These qualities render it the preferred choice for construction projects worldwide.
- Q:How is corrosion-resistant steel used in marine applications?
- Corrosion-resistant steel is extensively used in marine applications due to its ability to withstand the harsh environment of seawater. It is employed in the construction of various marine structures such as ships, offshore platforms, and coastal infrastructure. This type of steel provides exceptional resistance to corrosion, preventing the degradation of materials and ensuring the longevity and safety of marine structures. Additionally, corrosion-resistant steel is used in the production of marine equipment, such as propellers, valves, and pipelines, as it offers superior durability and protection against corrosion caused by saltwater exposure.
- Q:What are the factors that affect the corrosion resistance of special steel?
- The factors that affect the corrosion resistance of special steel include the composition and content of alloying elements, surface finish and treatment, environmental conditions such as temperature, humidity, and exposure to chemicals, as well as the presence of protective coatings or inhibitors. Additionally, the manufacturing process and heat treatment can also influence the corrosion resistance of special steel.
- Q:What are the different methods of non-destructive testing for special steel?
- There are several methods of non-destructive testing (NDT) that can be used to evaluate the quality and integrity of special steel without causing any damage. These methods include: 1. Ultrasonic Testing (UT): This method uses high-frequency sound waves to detect defects, such as cracks or voids, within the special steel. A transducer is used to emit sound waves into the material, and the reflections or echoes are analyzed to identify any anomalies. 2. Magnetic Particle Testing (MT): This technique is based on the principle of magnetic fields and is primarily used to detect surface or near-surface defects in special steel. A magnetic field is induced in the material, and magnetic particles are applied. Any discontinuities or defects will cause the particles to gather, forming visible indications. 3. Liquid Penetrant Testing (PT): This method involves applying a liquid dye or penetrant to the surface of the special steel. The penetrant is drawn into any surface defects through capillary action. After a certain period, excess penetrant is removed, and a developer is applied to make the indications visible. 4. Radiographic Testing (RT): This technique utilizes X-rays or gamma rays to inspect the internal structure of special steel. The material is exposed to radiation, and a film or digital detector captures the transmitted radiation. Any inconsistencies or defects within the material will be visible on the resulting image. 5. Eddy Current Testing (ECT): ECT is mainly used for detecting surface or near-surface defects in special steel. It works by inducing an alternating current into a coil, creating an electromagnetic field. Any variations in the material's electrical conductivity or magnetic permeability caused by defects will generate changes in the coil's impedance, which can be analyzed. 6. Visual Testing (VT): Although not a direct NDT method, visual inspection is often used as a preliminary step to identify surface defects or irregularities in special steel. This method involves a thorough visual examination of the material using appropriate lighting and magnification tools. These different methods of non-destructive testing for special steel provide valuable insights into the material's quality, helping ensure its structural integrity and reliability in various applications. The choice of method depends on factors such as the type of defect being sought, the location of the material, and the specific requirements of the industry or application involved.
- Q:How is nitriding steel used in the production of tools and dies?
- Nitriding steel is used in the production of tools and dies because it significantly enhances their surface hardness, wear resistance, and overall durability. This process involves diffusing nitrogen into the steel's surface, forming a hard layer that helps resist wear, abrasion, and corrosion. Nitrided tools and dies are therefore capable of withstanding heavy usage and high temperatures, which are common in manufacturing processes.
- Q:What is the significance of carbon content in special steel?
- The carbon content in special steel is significant as it directly impacts the steel's strength, hardness, and overall performance. A higher carbon content typically results in a harder and stronger steel, making it suitable for applications that require durability and wear resistance, such as cutting tools or machinery components. On the other hand, a lower carbon content enhances the steel's toughness and ductility, making it more suitable for applications that require flexibility, such as structural components or automotive parts. Therefore, controlling the carbon content in special steel is crucial in tailoring its properties to meet specific industrial requirements.
- Q:How does special steel contribute to the machinability of products?
- Special steel plays a significant role in enhancing the machinability of products. Machinability refers to the ease with which a material can be cut, drilled, or shaped using various machining processes. Special steel, also known as alloy steel, is specifically formulated to contain certain elements that improve its machinability characteristics. One key aspect of special steel that contributes to its enhanced machinability is its composition. By incorporating alloying elements such as manganese, sulfur, and phosphorus, special steel achieves improved machinability compared to regular carbon steel. These elements help in reducing friction during machining operations, resulting in reduced tool wear and extended tool life. Additionally, the presence of these elements facilitates the formation of smaller and more manageable chips during cutting, making it easier to control the machining process and maintain dimensional accuracy. Moreover, special steel often undergoes specific heat treatment processes, such as annealing or quenching and tempering, to further enhance its machinability. Heat treatment improves the steel's microstructure, making it more uniform and refined, which in turn improves its machinability characteristics. Heat-treated special steel exhibits better hardness, toughness, and resistance to wear, all of which are crucial for achieving high-quality machined products. Furthermore, special steel can be engineered to possess other desirable properties, such as high strength, corrosion resistance, or heat resistance, while still maintaining good machinability. This versatility allows manufacturers to select the most suitable special steel for their specific machining applications, ensuring optimal performance and productivity. In conclusion, special steel significantly contributes to the machinability of products due to its specific composition, heat treatment processes, and versatile properties. By utilizing special steel, manufacturers can achieve better machining performance, improved tool life, and higher dimensional accuracy, ultimately leading to superior quality products.
- Q:How does special steel withstand high temperatures?
- Due to its distinctive composition and manufacturing process, special steel demonstrates exceptional resistance to high temperatures. Firstly, special steel incorporates alloys that consist of elements like chromium, nickel, and molybdenum, thus providing heightened heat resistance. These elements form a protective oxide layer on the steel's surface, effectively preventing oxidation and corrosion when exposed to elevated temperatures. Moreover, special steel undergoes specific heat treatment procedures, such as quenching and tempering, which enhance its strength and toughness. These procedures involve subjecting the steel to high temperatures followed by rapid cooling, and then reheating and slow cooling. This controlled heating and cooling process alters the steel's microstructure, resulting in increased resistance to thermal stress and deformation. Additionally, special steel is often designed with a high melting point, enabling it to maintain its structural integrity even in extreme temperature conditions. The precise combination and proportions of elements in the alloy contribute to the steel's ability to resist softening or melting when confronted with intense heat. Furthermore, special steel may also incorporate specialized coatings or treatments that further enhance its thermal resistance. These coatings provide an additional layer of protection against heat, oxidation, and corrosion, thereby enhancing the steel's durability and longevity in high-temperature environments. To sum up, special steel's ability to withstand high temperatures is attributed to its unique alloy composition, heat treatment processes, high melting point, and additional protective coatings. These factors work in harmony to enhance the steel's resistance to thermal stress, deformation, oxidation, and corrosion, making it a dependable and durable material for applications in extreme heat conditions.
- Q:Can special steel be used for automotive engine components?
- Yes, special steel can be used for automotive engine components. Special steels, such as high-strength alloys or heat-resistant grades, are often utilized in critical engine parts like crankshafts, camshafts, connecting rods, valves, and pistons. These specialized steels offer enhanced strength, durability, and resistance to wear and high temperatures, ensuring reliable performance and longevity in demanding automotive engine applications.
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Steel Rebar HRB400 Grade for Building Material
- Ref Price:
-
$300.00 - 500.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 150 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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