Mild Steel HRB 400 Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 130 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Mild Steel HRB 400 Steel Rebar
Description of Mild Steel HRB 400 Steel Rebar
1, Diameter: 5.5mm-10mm Mild Steel HRB 400 Steel Rebar
10m- 40mm Mild Steel HRB 400 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 Mild Steel HRB 400 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 Mild Steel HRB 400 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 machining techniques for special steel?
- Some of the machining techniques commonly used for special steel include milling, turning, drilling, grinding, and broaching. These techniques are employed to shape and finish the special steel material according to the desired specifications and requirements. Additionally, special attention is given to selecting appropriate cutting tools, speeds, and feeds to ensure efficient and precise machining.
- Q:How are magnesium alloys used in lightweight structures?
- Magnesium alloys are used in lightweight structures due to their exceptional strength-to-weight ratio. These alloys offer high strength and stiffness while being significantly lighter than other metals like steel or aluminum. This makes them ideal for applications in sectors such as aerospace, automotive, and sports equipment, where weight reduction is crucial without compromising structural integrity. Additionally, magnesium alloys possess good vibration damping properties, corrosion resistance, and excellent machinability, making them even more advantageous for lightweight structure design.
- Q:What are the properties of free-cutting steel?
- Free-cutting steel is characterized by its high machinability, which means it can be easily and efficiently machined into various shapes and sizes. It has excellent chip breaking properties, resulting in reduced tool wear and improved surface finish during machining operations. Free-cutting steel also has good formability, allowing it to be easily shaped and fabricated. Additionally, it exhibits high strength and good corrosion resistance, making it suitable for a wide range of applications in industries such as automotive, aerospace, and machinery manufacturing.
- Q:What are the common alloying elements in special steel?
- The common alloying elements in special steel are chromium, manganese, molybdenum, nickel, and vanadium.
- Q:How does special steel contribute to the longevity of products?
- There are several ways in which special steel contributes to the longevity of products. To begin with, its exceptional strength and durability are well-known. Special steel is specifically designed to endure extreme conditions, such as high temperatures, pressure, and corrosive environments. This makes it highly suitable for use in various industries, including aerospace, automotive, and construction. The remarkable strength of special steel enables products to bear heavy loads and resist deformation, ensuring they remain intact and functional for a prolonged period of time. For example, in the construction industry, special steel is frequently employed in structural components like beams and columns, which provide crucial support and stability to buildings over many years. Furthermore, special steel possesses excellent resistance to wear and abrasion. It can endure constant friction, impact, and contact with other materials without significant deterioration. This characteristic is vital in industries where products are subjected to continuous use, such as machinery, tools, and equipment. The utilization of special steel in these applications guarantees that the products remain in good working condition for an extended period, reducing the need for frequent repairs or replacements. Additionally, special steel exhibits exceptional resistance to corrosion, making it highly resistant to rust and other forms of corrosion. This property is especially advantageous in products exposed to harsh environments or chemicals, like marine vessels, pipelines, and chemical processing equipment. Through the utilization of special steel, manufacturers can significantly prolong the lifespan of these products, minimizing the risk of failure or breakdown due to corrosion. In conclusion, special steel contributes to the longevity of products through its provision of superior strength, durability, wear resistance, and corrosion resistance. Its extraordinary properties enable products to withstand harsh conditions, heavy loads, and continuous use, guaranteeing that they remain functional and reliable for an extended period. By incorporating special steel into their designs, manufacturers can greatly enhance the lifespan of their products, leading to cost savings, improved reliability, and customer satisfaction.
- Q:What are the common failures or issues with special steel?
- Some common failures or issues with special steel can include brittleness, poor weldability, susceptibility to corrosion, and difficulty in heat treatment. Additionally, defects such as inclusions, voids, or cracks can also be observed, impacting the overall integrity and performance of the steel.
- Q:How does special steel perform in high-temperature creep conditions?
- Special steel is specifically designed and engineered to perform exceptionally well in high-temperature creep conditions. It exhibits remarkable resistance to deformation and maintains its mechanical properties even at elevated temperatures, making it highly reliable and suitable for applications that require stability and strength in such environments.
- Q:What are the limitations of using special steel in high-stress applications?
- There are several limitations to using special steel in high-stress applications. Firstly, special steel can be expensive compared to other materials, making it less economical for certain projects. Additionally, special steel may not possess the necessary resistance to corrosion or other environmental factors, which can limit its durability in certain conditions. Moreover, special steel may have specific temperature limitations, as it can lose strength at extreme heat or cold. Finally, the availability of certain special steel grades may be limited, making it challenging to source the required material for high-stress applications.
- Q:How does the heat treatment process affect the properties of special steel?
- The properties of special steel are greatly affected by the heat treatment process. This process involves controlled heating and cooling of the steel to modify its microstructure and, as a result, its mechanical properties. To begin, heat treatment can increase the hardness of special steel. By heating the steel to a specific temperature and then rapidly cooling it through quenching, the steel undergoes a phase transformation that boosts its hardness. This is especially advantageous for applications that demand high strength and resistance to wear, such as cutting tools or bearings. Furthermore, heat treatment can enhance the toughness of special steel. By tempering the quenched steel at a lower temperature, the brittleness caused by rapid cooling can be minimized, leading to improved toughness and ability to withstand impacts. This is crucial in applications where the steel must endure sudden shocks or impacts, like in automotive or aerospace components. Moreover, heat treatment can also improve the overall strength of special steel. Through a combination of heating, cooling, and tempering processes, the steel's grain structure can be refined, resulting in increased strength and resistance to deformation. This is particularly critical for structural applications where the steel must withstand heavy loads or extreme conditions. Additionally, the heat treatment process can influence the corrosion resistance of special steel. By subjecting the steel to specific heat treatment cycles, the formation of certain phases or chemical compounds can be encouraged, leading to enhanced resistance against corrosion or oxidation. This is essential for applications exposed to harsh environments or corrosive substances, such as in marine or chemical industries. In conclusion, the heat treatment process is essential in modifying the properties of special steel. By carefully controlling the heating, cooling, and tempering cycles, the hardness, toughness, strength, and corrosion resistance of the steel can be significantly improved. This allows for the production of special steel with customized properties to meet the specific requirements of various industrial applications.
- Q:How does special steel contribute to the oil and gas equipment industry?
- Special steel plays a crucial role in the oil and gas equipment industry by offering enhanced strength, corrosion resistance, and heat resistance properties. This type of steel is specifically designed to withstand the extreme conditions of oil and gas exploration, extraction, and processing. One of the primary benefits of special steel in this industry is its superior strength. Oil and gas equipment, such as drill pipes, wellheads, and pipelines, are subjected to high pressure, heavy loads, and harsh environments. Special steel, with its high tensile and yield strength, ensures that these components can withstand these demanding conditions without failure, ensuring the safety and reliability of the equipment. Corrosion resistance is another significant advantage of special steel in the oil and gas equipment industry. The extraction and transportation of oil and gas involve exposure to corrosive substances, such as hydrogen sulfide, carbon dioxide, and saltwater. Special steel is designed to resist corrosion, minimizing the risk of equipment degradation, leaks, and costly maintenance. Moreover, special steel exhibits excellent heat resistance properties. In the oil and gas industry, equipment often operates at high temperatures due to the process of oil refining, gas compression, or steam injection. Special steel's capability to withstand high temperatures without losing its mechanical properties makes it an ideal choice for critical components like valves, heat exchangers, and turbines. The use of special steel also enables the oil and gas industry to explore and extract resources from challenging environments. Offshore drilling rigs, for example, face harsh conditions such as strong waves, saltwater exposure, and extreme temperatures. Special steel's resistance to these environmental factors ensures the durability and longevity of offshore equipment. In summary, special steel significantly contributes to the oil and gas equipment industry by providing enhanced strength, corrosion resistance, and heat resistance. By utilizing this type of steel, the industry can ensure the reliability, safety, and longevity of its equipment, ultimately enhancing operational efficiency and minimizing downtime.
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Mild Steel HRB 400 Steel Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 130 m.t.
- Supply Capability:
- 50000 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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