Bs Standard Rebar En Standard Import Bars

Bs Standard Rebar En Standard Import Bars System 1

Bs Standard Rebar En Standard Import Bars System 2

Bs Standard Rebar En Standard Import Bars System 3

Bs Standard Rebar En Standard Import Bars System 4

Bs Standard Rebar En Standard Import Bars

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 50000 m.t./month

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Bs Standard Rebar En Standard Import Bars

Description of Bs Standard Rebar:

1, Diameter: 5.5mm-10mm rounds reinforcing steel bar

10m- 40 rods reinforcing Bs Standard 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 Bs Standard 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

Product Show of Bs Standard 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.

Verified Suppliers Bs4449 Deformed Steel Bar Manufacturer

FAQ:

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 challenges in machining special steel?: Machining special steel poses several challenges, including its high hardness and toughness. Special steels are typically designed to have enhanced properties, such as wear resistance or high strength, which makes them more difficult to machine compared to regular steels. The high cutting forces required and the rapid tool wear during machining are major challenges. Additionally, special steels often have low thermal conductivity, leading to increased heat generation during machining, which further exacerbates tool wear. Therefore, specialized cutting tools, cooling techniques, and machining parameters need to be carefully considered to overcome these challenges and achieve optimal results when machining special steel.

Q: How does special steel contribute to the machinery manufacturing industry?: Special steel plays a crucial role in the machinery manufacturing industry by providing high-quality and durable materials for the production of various machine components. This type of steel is specifically engineered to possess exceptional strength, toughness, and resistance to wear, corrosion, and high temperatures. In the machinery manufacturing industry, special steel is utilized in the production of critical components such as gears, shafts, bearings, and cutting tools. These components are subjected to extreme mechanical forces, exposure to harsh environments, and repetitive motion, requiring a material that can withstand such conditions without compromising performance or safety. The exceptional properties of special steel enable machinery manufacturers to produce equipment that is reliable, efficient, and long-lasting. By utilizing this type of steel, manufacturers can enhance the overall performance and durability of their machinery, ensuring optimal functionality and minimizing the need for frequent repairs or replacements. Moreover, special steel allows for the design and production of more compact and lightweight machinery, leading to improved energy efficiency, reduced manufacturing costs, and increased productivity. The high strength-to-weight ratio of special steel enables the production of smaller and lighter components, without sacrificing durability or performance. Furthermore, the corrosion and heat resistance properties of special steel make it suitable for use in industries with demanding operating conditions, such as aerospace, automotive, and energy. It ensures that machinery can withstand extreme temperatures, chemical exposure, and abrasive environments, enhancing safety and reliability. In conclusion, special steel significantly contributes to the machinery manufacturing industry by providing materials with exceptional strength, toughness, and resistance to wear, corrosion, and high temperatures. Its utilization in critical components ensures the production of reliable, efficient, and durable machinery, leading to improved performance, reduced costs, and increased productivity.

Q: What are the disadvantages of using special steel?: There are a few disadvantages of using special steel. Firstly, it tends to be more expensive than regular steel due to its higher quality and specific properties. Additionally, special steel may be more difficult to source, making it less readily available for certain applications. Another drawback is that special steel often requires specialized knowledge and expertise for its proper handling and processing, which can increase production costs and complexities. Finally, special steel may have limited availability in certain grades or sizes, which can pose challenges for projects requiring specific specifications.

Q: How does special steel maintain its strength at different temperatures?: Special steel maintains its strength at different temperatures due to its unique composition and specific manufacturing processes. The addition of alloying elements, such as chromium, nickel, and molybdenum, enhances the steel's ability to resist thermal degradation and maintain its structural integrity. Additionally, special heat treatment techniques, such as quenching and tempering, are applied to improve the steel's microstructure, resulting in increased strength and toughness at various temperature ranges.

Q: How does special steel contribute to the aerospace industry?: Special steel contributes to the aerospace industry by providing excellent strength, durability, and high-temperature resistance. It is crucial in manufacturing aircraft components such as engine parts, landing gear, and structural elements. Special steel's unique properties enable lighter and more fuel-efficient aircraft, enhancing performance and reducing maintenance costs. Additionally, its corrosion resistance ensures the longevity and safety of aerospace structures, making it an essential material in the industry.

Q: What are the different methods of preventing hydrogen embrittlement in special steel?: There are several methods that can be employed to prevent hydrogen embrittlement in special steel. 1. Proper material selection: Choosing the right type of steel with a lower susceptibility to hydrogen embrittlement can be an effective preventive measure. Steels with high strength and hardness are generally more susceptible to embrittlement, so opting for steels with lower alloy content or different composition can be beneficial. 2. Controlled heat treatment: Proper heat treatment processes can help reduce the risk of hydrogen embrittlement. Tempering and annealing at specific temperatures can relieve internal stresses and minimize the impact of hydrogen absorption. 3. Hydrogen mitigation techniques: Various techniques can be utilized to prevent or reduce the amount of hydrogen in the steel. These include preheating the steel before exposure to hydrogen, utilizing desorption methods such as vacuum annealing to remove trapped hydrogen, and employing hydrogen scavenger coatings or inhibitors that capture or neutralize the hydrogen. 4. Stress reduction: High levels of stress can increase the likelihood of hydrogen embrittlement. Implementing stress relief techniques such as shot peening or stress-relieving heat treatments can help reduce the potential for embrittlement. 5. Proper handling and storage: Hydrogen embrittlement can also occur during the manufacturing, handling, or storage stages. It is essential to ensure that the steel is protected from exposure to hydrogen-rich environments, such as during cleaning or pickling processes. Proper packaging and storage techniques, including the use of dry environments or protective coatings, can also help prevent hydrogen absorption. 6. Maintenance and inspection: Regular inspection and maintenance of the steel components can help identify any signs of hydrogen embrittlement at an early stage. This allows for timely repairs or replacements to prevent catastrophic failures. It is important to note that the specific method or combination of methods employed to prevent hydrogen embrittlement may vary depending on the specific application, the type of steel, and the environmental conditions it will be exposed to. Therefore, it is crucial to consult with experts and adhere to industry standards and guidelines to ensure effective prevention of hydrogen embrittlement in special steel.

Q: How does special steel perform in electrical applications?: Special steel, known as electrical steel, is purposely created and produced to meet the specific needs of electrical applications. It displays outstanding magnetic properties, rendering it highly suitable for utilization in electrical machines and devices. A primary feature of special steel is its diminished electrical resistivity, enabling efficient current flow and minimizing energy losses in electrical circuits. This reduced resistivity is achieved through precise control of the steel's composition and microstructure. Moreover, special steel possesses a high magnetic permeability, allowing for easy magnetization and demagnetization. This characteristic is crucial for the effective functioning of electrical machines such as transformers, motors, and generators. Additionally, special steel exhibits low coercivity, making it susceptible to magnetization or demagnetization with relatively low levels of magnetic field strength. This attribute proves advantageous in applications requiring rapid and precise magnetic switching, like electric transformers. Furthermore, special steel demonstrates minimal hysteresis loss, which pertains to the dissipation of energy as heat during magnetization and demagnetization cycles. This quality guarantees minimal energy losses in electrical devices, ultimately improving overall efficiency. To summarize, special steel excels in electrical applications due to its low electrical resistivity, high magnetic permeability, low coercivity, and low hysteresis loss. These properties establish it as an ideal choice for a wide range of electrical machines and devices, enhancing their efficiency and reliability.

Q: What are the different casting grades of special steel?: The different casting grades of special steel include low alloy steel, high alloy steel, stainless steel, tool steel, and heat-resistant steel.

Q: What are the different welding methods used for special steel?: There exists a range of welding methods that can be utilized for special steel, contingent upon the specific needs of the project. Some of the commonly employed welding methods for special steel comprise the following: 1. Gas Metal Arc Welding (GMAW): Also known as MIG welding, this technique employs a consumable electrode and a shielding gas to safeguard the weld against atmospheric contamination. GMAW is advantageous for welding special steel due to its ability to produce high-quality welds with minimal spatter. 2. Gas Tungsten Arc Welding (GTAW): Also known as TIG welding, this method employs a non-consumable tungsten electrode and a shielding gas to protect the weld. GTAW is frequently employed for special steel as it allows for precise control during the welding process, resulting in defect-free, high-quality welds. 3. Shielded Metal Arc Welding (SMAW): Also known as stick welding, this technique utilizes a consumable electrode coated in flux to shield the weld. SMAW is widely employed for special steel due to its versatility and portability, making it suitable for various positions and environments. 4. Flux-cored Arc Welding (FCAW): This method employs a tubular electrode filled with flux to safeguard the weld. FCAW is often utilized for special steel due to its ability to achieve high deposition rates and deep penetration, making it suitable for thicker materials. 5. Submerged Arc Welding (SAW): This technique employs a continuously fed wire electrode and a granular flux applied around the weld. SAW is commonly used for special steel as it can produce high-quality welds in thick sections. It is crucial to consider various factors, such as the type and thickness of the steel, the desired weld quality, and the specific application requirements, when selecting the appropriate welding method for special steel. Therefore, it is advisable to consult with welding professionals or engineers to determine the most suitable method for a particular project involving special steel.

Q: What is the significance of alloying elements in special steel?: The significance of alloying elements in special steel is that they enhance the properties and performance of the steel. These elements are added in varying proportions to achieve desired characteristics such as increased strength, improved corrosion resistance, enhanced hardness, better heat resistance, or increased toughness. Alloying elements also play a crucial role in controlling the grain structure, reducing brittleness, and improving the overall mechanical properties of the steel. Thus, alloying elements are essential in tailoring the steel's properties to meet specific industrial applications and requirements.

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