• ASTM A615/BS4449 Reforcing Steel Bar System 1
  • ASTM A615/BS4449 Reforcing Steel Bar System 2
  • ASTM A615/BS4449 Reforcing Steel Bar System 3
  • ASTM A615/BS4449 Reforcing Steel Bar System 4
  • ASTM A615/BS4449 Reforcing Steel Bar System 5
  • ASTM A615/BS4449 Reforcing Steel Bar System 6
ASTM A615/BS4449 Reforcing Steel Bar

ASTM A615/BS4449 Reforcing Steel Bar

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
180 m.t.
Supply Capability:
50000 m.t./month

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Specification

Type:
Carbon Steel
Shape:
Steel Round Bar

 ASTM A615/BS4449 Reforcing Steel Bar  


Description of  ASTM A615/BS4449 Reforcing Steel Bar

1, Diameter: 5.5mm-10mm  ASTM A615/BS4449 Reforcing Steel Bar

                       10m- 40mm  ASTM A615/BS4449 Reforcing Steel Bar

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  ASTM A615/BS4449 Reforcing Steel Bar

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  ASTM A615/BS4449 Reforcing Steel Bar

Astm 615 Bs4449 B500B Deformed Steel Rebars



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.

Astm 615 Bs4449 B500B Deformed Steel RebarsAstm 615 Bs4449 B500B Deformed Steel Rebars 


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 different surface finishing methods used for special steel?
Special steel can be subjected to various surface finishing methods, each serving a distinct purpose and yielding different outcomes. The most commonly employed surface finishing techniques for special steel comprise: 1. Grinding: By utilizing abrasive materials, grinding eliminates excessive material from the steel's surface. This method is primarily employed to attain a polished and sleek finish, while also eradicating any imperfections or roughness. 2. Polishing: By utilizing abrasive materials and polishing compounds, polishing creates a smooth and lustrous surface on the steel. This technique is frequently utilized to enhance the steel's visual appeal and bolster its resistance against corrosion. 3. Shot blasting: Shot blasting involves propelling small metallic or mineral particles onto the steel's surface at high velocities. This process effectively eliminates any impurities, rust, or scale, resulting in a clean and uniform finish. 4. Electroplating: Electroplating involves depositing a thin layer of metal onto the steel's surface via an electrochemical reaction. Commonly employed to improve the steel's appearance, corrosion resistance, and provide a decorative or protective coating. 5. Passivation: Passivation, a chemical process, entails treating the steel's surface with an acid solution to eliminate impurities and create a passive layer that resists corrosion. This method is frequently employed to enhance the corrosion resistance of stainless steel and other alloys. 6. Coating: Coating refers to the application of a protective layer or coating onto the steel's surface. This can involve utilizing paints, lacquers, enamels, or other protective coatings to prevent corrosion, enhance durability, or achieve a specific aesthetic finish. It is crucial to note that the selection of a surface finishing method for special steel heavily depends on the desired outcome, ranging from aesthetics to corrosion resistance or functionality. Furthermore, the specific characteristics of the steel, including its composition, hardness, and intended application, significantly influence the most suitable surface finishing method.
Q: How does special steel contribute to improving product safety in high-risk industries?
Special steel plays a crucial role in improving product safety in high-risk industries due to its unique properties and characteristics. Its exceptional strength, durability, and resistance to corrosion make it highly reliable and less prone to failure under extreme conditions. By using special steel in the manufacturing of critical components and structures, such as in aerospace, automotive, and oil and gas industries, it ensures enhanced safety and prevents potential accidents or catastrophic failures. Additionally, the strict quality control and certifications associated with special steel guarantee that it meets the industry's stringent safety standards, providing peace of mind to both manufacturers and end-users.
Q: What are the common challenges in machining titanium alloys?
Machining titanium alloys poses several common challenges that need to be addressed in order to achieve successful and efficient results. One of the primary challenges is the material's inherent strength and hardness. Titanium alloys are known for their excellent strength-to-weight ratio, which makes them ideal for various applications. However, this same strength can make them difficult to machine. The high strength of titanium alloys increases the cutting forces required during machining, leading to faster tool wear and decreased tool life. This necessitates the use of robust cutting tools made from materials such as carbide or ceramic, which can withstand the demanding conditions and maintain their cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic causes heat to build up rapidly during the cutting process, leading to localized high temperatures. These high temperatures can result in thermal damage to both the cutting tool and the workpiece, leading to reduced dimensional accuracy and surface finish. To overcome this challenge, it is crucial to implement effective cooling and lubrication techniques, such as using coolant or high-pressure air, to dissipate the heat and prevent overheating. Furthermore, titanium alloys have a tendency to generate built-up edge (BUE) during machining. BUE is the accumulation of workpiece material on the cutting tool, which can cause poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use proper cutting speeds and feed rates, as well as employing cutting fluids that aid in chip evacuation and prevent the adhesion of material on the tool. Additionally, titanium alloys are highly reactive with oxygen, resulting in the formation of a tenacious oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that promote efficient material removal while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can cause workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, the common challenges in machining titanium alloys include high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome through the use of appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
Q: What are the different mechanical properties of special steel?
Special steels typically have enhanced mechanical properties compared to regular steels, which makes them suitable for specific applications. Some of the key mechanical properties of special steels include high tensile strength, excellent toughness, improved wear resistance, increased hardness, and enhanced corrosion resistance. Additionally, special steels can exhibit specific properties such as high heat resistance, low thermal expansion, and good machinability, depending on the alloying elements and heat treatment processes used during their production. These unique mechanical properties make special steels highly sought after in industries such as automotive, aerospace, construction, and manufacturing.
Q: What are the main corrosion resistance properties of special steel?
The main corrosion resistance properties of special steel include high resistance to rust, oxidation, and chemical attack. It can withstand harsh environments, such as exposure to saltwater, acids, and alkalis, without significant degradation. Additionally, special steel often possesses a passive oxide layer on its surface, which acts as a protective barrier against corrosion.
Q: Can special steel be used in the telecommunications equipment manufacturing industry?
Yes, special steel can be used in the telecommunications equipment manufacturing industry. Special steel is known for its high strength, durability, and corrosion resistance, which are important factors for the telecommunications industry. It can be used in the manufacturing of various components such as antennas, transmitters, receivers, and cables, ensuring reliable and efficient communication networks.
Q: What are the main applications of special steel in the packaging industry?
The main applications of special steel in the packaging industry include the manufacturing of containers, cans, and closures. Special steel offers excellent strength, durability, and corrosion resistance, making it suitable for packaging materials that need to withstand various environmental conditions and protect the contents inside. Its high tensile strength also allows for thinner and lighter packaging, reducing material usage and transportation costs. Additionally, special steel is used in machinery and equipment used for packaging processes, ensuring efficiency and reliability in the production line.
Q: What are the requirements for special steel used in power generation equipment manufacturing?
The requirements for special steel used in power generation equipment manufacturing are quite stringent. First and foremost, this type of steel must possess high strength and durability to withstand the extreme operating conditions and loads experienced in power generation equipment. This includes withstanding high temperatures, pressure, and mechanical stress. Additionally, special steel used in power generation equipment must exhibit excellent resistance to corrosion and oxidation. As power generation equipment often operates in harsh environments, such as high humidity or exposure to corrosive substances, the steel must have a high level of resistance to ensure its longevity and performance. Furthermore, the steel used in power generation equipment must have good weldability and formability. This is crucial for the manufacturing process, as complex shapes and structures are often required in power generation equipment, and the ability to weld and form the steel accurately is essential. Another important requirement for special steel in power generation equipment is its ability to maintain its mechanical properties at elevated temperatures. Power generation equipment, such as boilers or turbines, operates at high temperatures, and the steel used must retain its strength, creep resistance, and dimensional stability under these conditions. Lastly, special steel for power generation equipment must conform to industry standards and specifications. These standards ensure the quality, reliability, and safety of the steel used in power generation equipment manufacturing. Compliance with these standards is crucial to ensure the performance and longevity of the equipment. Overall, the requirements for special steel used in power generation equipment manufacturing are demanding, encompassing high strength, durability, resistance to corrosion and oxidation, good weldability and formability, heat resistance, and compliance with industry standards. Meeting these requirements is vital to ensure the efficient and reliable operation of power generation equipment.
Q: What are the properties of mold steel?
Mold steel is known for its excellent hardness, wear resistance, and ability to withstand high temperatures. It possesses good machinability and can be easily polished or textured to create intricate mold designs. Mold steel also exhibits high toughness and dimensional stability, ensuring long-lasting and precise molds. Additionally, it is resistant to corrosion and offers good heat conductivity, making it suitable for various molding applications in industries such as automotive, aerospace, and consumer goods.
Q: Can special steel be used in the agricultural sector?
Yes, special steel can be used in the agricultural sector. Special steel refers to steel alloys that have been specifically designed and engineered to possess certain unique and superior qualities. These qualities can include increased strength, corrosion resistance, wear resistance, and heat resistance, among others. In the agricultural sector, there are several applications where special steel can be highly beneficial. One such application is in the manufacturing of agricultural machinery and equipment. Special steel can be used to produce components such as blades, cutting edges, plowshares, and tillage tools that need to withstand heavy loads, abrasion, and harsh environmental conditions. The high strength and wear resistance of special steel can significantly extend the lifespan of these components, reducing maintenance and replacement costs for farmers. Additionally, special steel can be used in the construction of storage facilities and infrastructure in the agricultural sector. Structures such as grain silos, barns, and livestock shelters often require materials that can resist corrosion from moisture, chemicals, and animal waste. Special steel alloys with enhanced corrosion resistance properties can provide a durable and long-lasting solution, allowing farmers to store their crops and livestock in a safe and secure environment. Furthermore, special steel can be utilized in the fabrication of irrigation systems and pipelines. These systems require materials that can withstand exposure to water, soil, and fertilizers without degradation or corrosion. Special steel grades with excellent corrosion resistance, such as stainless steel, can be utilized to ensure the longevity and efficiency of irrigation systems, reducing water wastage and increasing agricultural productivity. In conclusion, special steel can indeed be used in the agricultural sector due to its superior qualities such as strength, corrosion resistance, wear resistance, and heat resistance. Its applications range from manufacturing agricultural machinery and equipment to constructing storage facilities and irrigation systems. By utilizing special steel, farmers can benefit from increased durability, reduced maintenance costs, and improved efficiency, ultimately contributing to the growth and sustainability of the agricultural sector.

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