Hrb400 Steel Rebar Prices
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Hrb400 Steel Rebar
Description of Hrb400 Steel Rebar
1, Diameter: 5.5mm-10mm Hrb400 Steel Rebar
10m- 40mm Hrb400 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 Hrb400 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 Hrb400 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:What are the common challenges in heat treatment of special steel?
- The heat treatment of special steel presents several common challenges that need to be carefully addressed in order to achieve desired material properties. One of the key challenges is the need for precise temperature control during the heating and cooling processes. Special steels often have specific heat treatment temperature ranges that need to be strictly followed to achieve the desired microstructure and mechanical properties. Failure to maintain precise temperature control can result in inadequate or inconsistent heat treatment, leading to suboptimal material performance. Another challenge is the potential for distortion or warping of the steel components during the heat treatment process. Special steels often have complex shapes or intricate designs, making them more susceptible to distortion when exposed to high temperatures. This distortion can negatively impact the dimensional accuracy and overall quality of the final product. Hence, careful consideration must be given to the selection of appropriate heating and cooling methods, as well as the use of fixtures or jigs to minimize distortion. Furthermore, special steels may contain alloying elements that can have a significant influence on the heat treatment process. Alloying elements such as chromium, molybdenum, or vanadium can alter the hardenability, tempering response, or transformation behavior of the steel. These elements may introduce additional challenges when determining the optimal heat treatment parameters, as their presence can necessitate adjustments to the heating and cooling rates, soak times, or quenching media. Lastly, achieving uniformity in heat treatment across a batch of special steel components can be a challenge. Variations in size, shape, or composition within a batch can lead to inconsistent heat treatment results. Controlling the heating and cooling rates, ensuring proper circulation of the heat treatment media, and implementing effective process monitoring techniques are essential for achieving consistent and uniform material properties. In conclusion, the common challenges in heat treatment of special steel include precise temperature control, distortion/warping, the influence of alloying elements, and achieving uniformity across a batch. Addressing these challenges requires a thorough understanding of the steel's composition, careful process planning, and the use of appropriate process controls and monitoring techniques.
- Q:How does special steel contribute to the thermal conductivity of products?
- Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.
- Q:What are the different methods of surface ion nitriding for special steel?
- There are several methods of surface ion nitriding for special steel, including traditional gas nitriding, plasma nitriding, and ion nitriding. Each method involves introducing nitrogen ions into the surface of the steel to improve its hardness, wear resistance, and corrosion resistance. Gas nitriding involves exposing the steel to ammonia gas at high temperatures, while plasma nitriding uses a low-pressure plasma to generate nitrogen ions. Ion nitriding, on the other hand, utilizes a high-voltage electrical discharge to create the nitrogen ions. Overall, these methods offer various options for enhancing the surface properties of special steel, depending on the specific requirements and desired outcomes.
- Q:Can special steel be used in the manufacturing of household appliances?
- Yes, special steel can be used in the manufacturing of household appliances. Special steel, also known as alloy steel, offers a range of desirable properties such as high strength, durability, and resistance to corrosion and wear. These characteristics make it suitable for various applications, including the production of household appliances. Household appliances such as refrigerators, ovens, dishwashers, and washing machines require materials that can withstand constant use, high temperatures, and exposure to water and chemicals. Special steel fulfills these requirements and provides a reliable and long-lasting solution. For example, stainless steel is a type of special steel commonly used in household appliances due to its corrosion resistance and hygienic properties. It is used in appliance components such as refrigerator doors, oven interiors, and dishwasher interiors. Stainless steel is easy to clean, maintains its appearance over time, and does not react with food or other substances, making it an ideal choice for household appliances. Additionally, special steel alloys can be used to enhance specific properties needed in different appliances. For instance, heat-resistant alloys can be utilized in ovens or stovetops, while high-strength steel alloys can be employed in appliances that require structural integrity, like washing machines or dryers. In summary, special steel can definitely be used in the manufacturing of household appliances. Its various properties, including strength, durability, resistance to corrosion, and versatility, make it an excellent material choice for ensuring the performance, longevity, and safety of household appliances.
- Q:How is wear-resistant steel used in mining equipment?
- Wear-resistant steel is commonly used in mining equipment to enhance their durability and longevity. It is specifically designed to withstand the harsh conditions and abrasive environments typically found in mining operations. Components such as buckets, blades, chutes, crushers, and screens are often made from wear-resistant steel to prevent excessive wear and damage caused by rocks, minerals, and other abrasive materials. This steel's high hardness and toughness properties ensure that the equipment can withstand the constant impact and abrasion, reducing maintenance needs and extending the equipment's lifespan.
- Q:How does special steel contribute to sustainable development?
- Special steel contributes to sustainable development in several ways. Firstly, it is a highly durable and long-lasting material, which means that products made from special steel have a longer lifespan, reducing the need for frequent replacements and reducing waste. Additionally, special steel is often used in the construction of energy-efficient buildings and infrastructure, contributing to the reduction of energy consumption and greenhouse gas emissions. Furthermore, special steel is recyclable, allowing for the recovery and reuse of materials, reducing the demand for virgin resources and minimizing the environmental impact of steel production. Overall, the use of special steel promotes resource efficiency, environmental conservation, and economic growth, making it an important component of sustainable development.
- Q:What are the properties of wear-resistant alloy steel?
- Wear-resistant alloy steel possesses several key properties, including high hardness, excellent toughness, and superior resistance to abrasion, impact, and wear. It is designed to withstand harsh conditions and maintain its structural integrity even when subjected to repeated friction and contact with hard surfaces. Additionally, these alloys often feature a high level of corrosion resistance, making them suitable for various applications in industries such as mining, construction, and manufacturing.
- Q:How does special steel perform in extreme cold temperatures?
- Special steel is custom-made to excel under frigid conditions, with alloys that possess a high level of low temperature ductility. This quality enables the steel to maintain its structural integrity even in the harshest cold settings, making it a popular choice in Arctic exploration, oil and gas operations in cold regions, and the aerospace industry. A key distinguishing feature of special steel is its resistance to brittleness when exposed to low temperatures. Unlike regular steel, which becomes brittle and susceptible to cracking in extreme cold, special steel retains its toughness, rendering it suitable for sub-zero conditions. This remarkable attribute is achieved through meticulous selection and control of the alloy's composition, allowing for a superior balance between strength and ductility. Moreover, special steel boasts exceptional resistance to corrosion, a particularly crucial trait in cold environments where exposure to snow, ice, and moisture is prevalent. The alloying elements present in special steel, such as chromium and nickel, generate a protective oxide layer on the surface, successfully preventing corrosion and preserving the steel's structural integrity. Additionally, special steel exhibits remarkable thermal conductivity, enabling efficient heat transfer even in extremely cold temperatures. This thermal property is of paramount importance in applications where effective heat management is essential, such as in the aerospace industry or in equipment operating in cold climates. In summary, special steel is meticulously engineered to excel in extreme cold temperatures. Its low temperature ductility, resistance to brittleness, corrosion resistance, and thermal conductivity establish it as a dependable and enduring material for diverse applications in cold environments.
- Q:What are the different surface treatment techniques for special steel?
- There are several surface treatment techniques available for special steel, including electroplating, hot-dip galvanizing, powder coating, and passivation. Electroplating involves depositing a layer of metal onto the steel surface through an electrochemical process, providing enhanced corrosion resistance and aesthetic appeal. Hot-dip galvanizing immerses the steel in molten zinc, forming a protective zinc coating that prevents rusting. Powder coating involves applying a dry powder onto the steel surface, which is then heated and fused to create a durable and decorative finish. Passivation is a chemical process that removes surface contaminants and forms a protective oxide layer on the steel, improving its corrosion resistance.
- Q:What is the role of special steel in the manufacturing of precision instruments?
- Special steel plays a crucial role in the manufacturing of precision instruments as it provides the necessary strength, durability, and resistance to corrosion required for these delicate instruments to perform accurately and reliably. The unique properties of special steel enable precision instruments to withstand extreme conditions, maintain dimensional stability, and ensure high precision measurements, making it an essential material in their production.
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Hrb400 Steel Rebar Prices
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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