Steel Rebar Size for Construction System 1

Steel Rebar Size for Construction System 2

Steel Rebar Size for Construction System 3

Steel Rebar Size for Construction System 4

Steel Rebar Size for Construction

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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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Steel Rebar Size for Construction

Description of Steel Rebar Size:

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

10m- 40 rods reinforcing Steel Rebar Size

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 Steel Rebar Size:

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 Steel Rebar Size:

Workshop

Verified Suppliers Bs4449 Deformed Steel Bar Manufacturer

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.

Contact Us:

Verified Suppliers Bs4449 Deformed Steel Bar Manufacturer

Q:How is corrosion-resistant steel used in marine environments?: Corrosion-resistant steel, also known as stainless steel, is extensively used in marine environments due to its ability to withstand the adverse effects of corrosion caused by saltwater exposure. It is commonly utilized in the construction of various marine components, such as hulls, propellers, and equipment, to ensure durability and longevity. The steel's corrosion resistance properties help protect against rust and degradation, ultimately enhancing the structural integrity and performance of marine vessels and infrastructure in harsh saltwater conditions.

Q:What are the main factors affecting the corrosion fatigue strength of special steel?: The corrosion fatigue strength of special steel is influenced by several factors. Firstly, the composition of the steel plays a crucial role. Special steels typically contain various alloying elements such as chromium, nickel, molybdenum, and copper, which enhance their corrosion resistance. The presence and amount of these elements can significantly affect the corrosion fatigue strength of the steel. Higher levels of alloying elements generally improve the resistance to corrosion fatigue. Secondly, the surface condition of the steel is important. Any surface defects, such as scratches, pits, or roughness, can act as stress concentrators and accelerate the initiation and propagation of corrosion fatigue cracks. Additionally, the presence of surface contaminants, such as dirt, grease, or salts, can increase the corrosive environment and reduce the corrosion fatigue strength of the steel. Thirdly, the environmental conditions in which the steel is exposed play a significant role. Corrosion fatigue occurs due to the combined action of cyclic loading and a corrosive environment. Factors such as temperature, humidity, pH, and the presence of corrosive substances like saltwater or chemicals can accelerate the corrosion process and reduce the fatigue strength of the steel. Furthermore, the mechanical properties of the steel, such as its hardness, strength, and ductility, also influence its corrosion fatigue strength. Higher strength and hardness can enhance the resistance to fatigue crack initiation, while greater ductility can improve the resistance to crack propagation. However, excessive hardness or brittleness can decrease the corrosion fatigue strength. Lastly, the design and manufacturing processes of components made from special steel can impact their corrosion fatigue strength. Factors such as welding techniques, heat treatment, and surface finishing can introduce residual stresses or alter the microstructure of the steel, affecting its corrosion fatigue behavior. Overall, the corrosion fatigue strength of special steel is influenced by its composition, surface condition, environmental conditions, mechanical properties, and manufacturing processes. Understanding and appropriately addressing these factors are crucial for enhancing the corrosion fatigue resistance of special steel components.

Q:What are the different methods for improving the toughness of tool steels used in special steel?: There are several methods for improving the toughness of tool steels used in special steel. One common method is through the addition of certain alloying elements, such as vanadium or tungsten, which can enhance the steel's toughness while maintaining its hardness. Another method is through heat treatment processes, such as tempering or quenching, which can help to refine the steel's microstructure and improve its toughness. Additionally, the use of specific manufacturing techniques, such as hot working or forging, can also contribute to enhancing the toughness of tool steels.

Q:What are the common failures or issues with special steel?: There are several common failures or issues that can occur with special steel. One of the most common issues is corrosion. Special steel, like any other type of steel, can be prone to corrosion when exposed to certain environmental conditions, such as moisture or aggressive chemicals. This can lead to a decrease in its structural integrity and overall performance. Another common failure is fatigue. Special steel is often used in applications that require high strength and durability. However, repetitive loading or stress can cause the material to develop cracks or fractures over time, leading to fatigue failure. This can be particularly problematic in industries such as aerospace or automotive, where components are subjected to constant cyclic loading. In addition, improper heat treatment can result in failure. Special steel often requires specific heat treatments to achieve desired properties such as hardness or toughness. If the heat treatment process is not carried out correctly, it can lead to inconsistent material properties, resulting in reduced performance or premature failure. Welding issues can also occur with special steel. Welding is commonly used to join different components or structures made of special steel. However, if proper welding techniques and procedures are not followed, it can result in the formation of defects such as weld cracks, porosity, or inadequate fusion. These defects can weaken the weld joint and compromise the overall integrity of the structure. Lastly, dimensional instability can be a problem with special steel. Certain types of special steel, such as those with high carbon content, can exhibit dimensional changes when subjected to temperature variations. This can lead to distortion or warping of the material, affecting its fit, function, or assembly with other components. To mitigate these failures or issues with special steel, it is crucial to follow proper material selection, design, manufacturing, and maintenance practices. Conducting thorough inspections, implementing appropriate corrosion protection measures, and ensuring proper heat treatment and welding procedures can help minimize the occurrence of these failures and enhance the performance and longevity of special steel components.

Q:What are the different coating materials used for special steel?: There are several different coating materials used for special steel, including zinc, aluminum, nickel, tin, and epoxy-based coatings. These coatings are applied to enhance the corrosion resistance, improve durability, and provide a decorative finish to the special steel.

Q:What are the properties of shock-resistant alloy steel?: Shock-resistant alloy steel is known for its exceptional toughness and ability to withstand high impact and shock loads. It possesses a unique combination of strength, hardness, and ductility, making it ideal for applications in industries such as aerospace, automotive, and manufacturing. This type of steel undergoes specialized heat treatment processes to enhance its shock-resistance, thereby ensuring it can absorb and dissipate energy without fracturing or deforming. Additionally, shock-resistant alloy steel exhibits excellent corrosion resistance and can maintain its mechanical properties even in harsh environments, making it a reliable and durable material for various demanding applications.

Q:Can special steel be used for making electrical components?: Yes, special steel can be used for making electrical components. Special steel refers to a group of steels with specific properties and characteristics that make them suitable for various applications, including electrical components. These steels are often engineered to have high electrical conductivity, low electrical resistance, good magnetic properties, and excellent heat resistance. They are typically used in electrical engineering applications where high performance and reliability are required, such as in the manufacturing of transformers, motors, generators, and electrical transmission systems. Special steel can also provide resistance to corrosion and high temperatures, which further enhances its suitability for electrical component manufacturing.

Q:How does special steel contribute to the food processing industry?: Special steel, with its unique properties and characteristics, plays a crucial role in the food processing industry. It is widely used in various equipment and machinery for processing, handling, and packaging food products. Special steel's corrosion resistance, high strength, and durability ensure that the equipment remains hygienic, safe, and reliable throughout its lifespan. Additionally, special steel's heat resistance makes it suitable for applications that involve high temperatures such as ovens, grills, and industrial cookware. In summary, special steel's contribution to the food processing industry lies in its ability to provide the necessary strength, resilience, and hygiene required for efficient and safe food production and processing.

Q:How does special steel contribute to the telecommunications equipment industry?: Special steel plays a crucial role in the telecommunications equipment industry by providing the necessary strength, durability, and reliability to support the complex infrastructure and advanced technologies involved in this sector. One significant contribution of special steel is its ability to withstand extreme weather conditions and environmental factors. Telecommunications equipment, such as transmission towers, antennas, and satellites, are often exposed to harsh elements like strong winds, heavy rain, and even earthquakes. Special steel, with its high tensile strength and resistance to corrosion, ensures the stability and longevity of the infrastructure, minimizing the risk of damage or failure. Moreover, special steel is employed in the production of various components used in telecommunications equipment. These components include connectors, cables, and electronic enclosures, which require materials with excellent electrical conductivity and heat dissipation properties. Special steel alloys, such as stainless steel or nickel-based alloys, are utilized to meet these requirements, ensuring efficient transmission of signals and preventing overheating issues. In addition, special steel is crucial for the manufacturing of high-quality tools and equipment used in the installation, maintenance, and repair of telecommunications networks. Specialized steel alloys, like tool steel, offer exceptional hardness, toughness, and wear resistance, enabling the production of reliable and long-lasting tools. These tools are essential for professionals working in the telecommunications industry, as they allow them to efficiently and accurately install and maintain the equipment, ensuring uninterrupted connectivity for end-users. Furthermore, as the telecommunications industry continues to evolve, special steel plays a vital role in supporting the deployment of advanced technologies like 5G networks and fiber-optic systems. These technologies require specialized components, such as waveguides, reflectors, and amplifiers, which are often made from special steel alloys to ensure optimal performance and durability. By providing the necessary materials for these cutting-edge technologies, special steel contributes to the expansion and improvement of telecommunications infrastructure worldwide. In conclusion, special steel is indispensable to the telecommunications equipment industry by offering the strength, durability, and reliability required for the infrastructure, components, tools, and advanced technologies involved in this sector. Its unique properties enable the industry to provide efficient and uninterrupted communication services to individuals and businesses globally.

Q:What are the main environmental impacts of special steel production?: The main environmental impacts of special steel production include greenhouse gas emissions, air pollution, water pollution, and the depletion of natural resources. The production process involves high energy consumption, which leads to significant carbon dioxide emissions, contributing to climate change. Additionally, the use of various chemicals and additives in the process can result in air pollution, releasing toxic substances and particulate matter into the atmosphere. Moreover, the production generates wastewater and solid waste, which can contaminate water sources if not properly managed. Finally, the extraction and processing of raw materials like iron ore and coal contribute to the depletion of natural resources and habitat destruction. Overall, special steel production poses substantial environmental challenges that need to be addressed for sustainability.

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