ASTM Standard Reinforced Steel D Bar
- 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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Quality Product, Order Online Tracking, Timely Delivery
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Item specifice
Type:
Carbon Steel
Shape:
Steel Round Bar
Standard:
AISI,ASTM,EN,JIS,GB,BS,DIN
Steel Grade:
RHB335,HRB400
Surface Treatment:
Black,Galvanized
Shape:
Round
Technique:
Cold Rolled,Hot Rolled
Certification:
SGS,ISO
Length:
12m
Net Weight:
22kg
Thickness:
6mm
ASTM Standard Reinforced Steel D Bar
Description of ASTM Standard Reinforced Steel D Bar
1, Diameter: 5.5mm-10mm ASTM Standard Reinforced Steel D Bar
10m- 40mm ASTM Standard Reinforced Steel D 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 Standard Reinforced Steel D 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 Standard Reinforced Steel D Bar
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:How is ultra-high-strength steel used in the construction industry?
- Ultra-high-strength steel is used in the construction industry for various applications, primarily in the form of structural elements. This type of steel, which has exceptional strength and durability, allows for the design of lighter and more efficient structures. It is commonly used in the construction of high-rise buildings, bridges, and other infrastructure projects where the ability to withstand heavy loads and extreme conditions is crucial. Additionally, ultra-high-strength steel is often used in the fabrication of reinforcing bars, precast concrete elements, and in the construction of offshore platforms, providing enhanced safety and resilience to these structures.
- Q:What is the chemical composition of special steel?
- Special steel encompasses a wide range of steel alloys that possess specific properties and characteristics. The chemical makeup of special steel can differ depending on the particular grade or type of steel being discussed. Nevertheless, special steel typically contains greater amounts of alloying elements compared to regular carbon steel. These alloying elements may consist of chromium, nickel, molybdenum, vanadium, tungsten, and others. The specific combination and proportion of these alloying elements determine the distinctive properties of special steel, such as increased strength, enhanced resistance to corrosion, improved ability to withstand high temperatures, or better resistance to wear and tear. To illustrate, some common variations of special steel include stainless steel, which generally consists of high levels of chromium and nickel, resulting in excellent corrosion resistance; tool steel, which contains high carbon content and often includes additional elements like vanadium or tungsten, making it suitable for cutting, drilling, or shaping tools; and high-speed steel, which incorporates elements such as molybdenum, cobalt, or tungsten, providing exceptional hardness and heat resistance, ideal for use in cutting tools or drills. To summarize, the chemical composition of special steel varies based on the specific type or grade, but it typically involves elevated levels of alloying elements to achieve desired properties such as strength, corrosion resistance, heat resistance, or wear resistance.
- Q:What are the main applications of special steel in the defense aircraft?
- Special steel is widely used in defense aircraft for various critical applications. Some of the main applications include the manufacturing of aircraft structural components, such as landing gear, wing spars, and fuselage frames, which require high strength, durability, and resistance to fatigue and corrosion. Special steel is also used for producing engine components, like turbine blades, which require high-temperature resistance and excellent mechanical properties. Additionally, special steel is utilized in the production of armor plating for protection against ballistic threats, reinforcing the overall security and survivability of the aircraft.
- Q:How does surface treatment affect the performance of special steel?
- Surface treatment plays a crucial role in enhancing the performance of special steel. The primary purpose of surface treatment is to alter the surface properties of the steel to meet specific requirements and improve its performance in various applications. One significant effect of surface treatment on special steel is increased corrosion resistance. By applying coatings or treatments such as galvanization, electroplating, or passivation, the steel's surface becomes more resistant to the damaging effects of moisture, chemicals, and other corrosive agents. This is particularly important in industries like construction, automotive, or marine, where steel is exposed to harsh environments. Surface treatment also affects the wear resistance of special steel. Through processes like carburizing, nitriding, or boriding, a thin layer of hard and wear-resistant material is formed on the steel's surface. This significantly improves its ability to withstand friction, abrasion, and mechanical stress, making it suitable for applications involving heavy machinery, cutting tools, or bearings. Furthermore, surface treatment can enhance the aesthetic appeal of special steel. Techniques like polishing, grinding, or coating can improve the steel's appearance, making it more visually appealing for architectural or decorative purposes. Another important aspect affected by surface treatment is the steel's adhesion properties. By modifying the surface through processes such as shot peening or surface etching, the steel becomes more receptive to adhesives, paints, or coatings. This improves the bond strength between the steel and other materials, making it suitable for applications where adhesion is critical, such as in aerospace or electronics industries. In summary, surface treatment significantly impacts the performance of special steel. It enhances corrosion resistance, wear resistance, adhesion properties, and aesthetic appeal. By selecting the appropriate surface treatment techniques, manufacturers can tailor the steel's surface properties to meet specific application requirements, thereby maximizing its performance and extending its lifespan.
- Q:How does bearing steel resist fatigue?
- Bearing steel resists fatigue due to its high strength, hardness, and excellent resistance to wear and impact. It is specifically designed to withstand repeated loading and stress cycles without undergoing deformation or failure. Additionally, the steel's microstructure is carefully engineered to enhance its resistance to fatigue by distributing stress evenly and minimizing the formation of cracks or fractures.
- Q:What are the different methods of preventing intergranular corrosion in special steel?
- Some of the different methods of preventing intergranular corrosion in special steel include: alloying the steel with elements like chromium or molybdenum to form a protective oxide layer on the surface, controlling the heat treatment process to avoid formation of susceptible phases, using low carbon content to minimize carbide precipitation, employing proper welding techniques and filler materials to prevent sensitization, and applying corrosion-resistant coatings or inhibitors to the steel surface.
- Q:What are the requirements for special steel used in agricultural machinery?
- The requirements for special steel used in agricultural machinery vary depending on the specific component or part being produced. However, there are some common requirements that are generally applicable to most agricultural machinery. 1. Strength and durability: Agricultural machinery operates under harsh conditions, such as heavy loads, friction, and exposure to elements. Therefore, special steel used in such machinery must have high strength and durability to withstand these conditions without deformation or failure. 2. Corrosion resistance: Agricultural machinery is often exposed to moisture, chemicals, and other corrosive substances. Special steel used in agricultural machinery should possess good corrosion resistance properties to prevent rusting and degradation over time. 3. Wear resistance: Agricultural machinery components, such as blades, gears, and bearings, undergo repetitive and abrasive actions during operation. Special steel should have excellent wear resistance to ensure prolonged service life and reduce maintenance costs. 4. Toughness: Agricultural machinery encounters sudden impacts, shock loads, and vibrations during operation. Special steel should exhibit high toughness to absorb and resist these forces without fracture or fatigue failure. 5. Machinability: Special steel should have good machinability to enable efficient and accurate machining processes during manufacturing. This includes properties like good formability, weldability, and ease of heat treatment. 6. Cost-effectiveness: While meeting the above requirements, special steel used in agricultural machinery should also be cost-effective. The material should strike a balance between performance and cost, ensuring that the machinery is affordable without compromising quality and performance. Overall, the selection of special steel for agricultural machinery should be based on a comprehensive understanding of the specific application requirements, considering factors such as load capacity, environmental conditions, and expected service life. Meeting these requirements ensures that the agricultural machinery operates efficiently, reliably, and with minimal downtime.
- Q:What are the main characteristics of structural steel forgings?
- Structural steel forgings offer numerous advantageous qualities that make them highly suitable for a wide range of construction and engineering purposes. To begin with, the outstanding strength and durability of structural steel forgings are among their main attributes. Steel possesses remarkable tensile strength, allowing it to bear heavy loads and withstand stress-induced deformations. This makes structural steel forgings ideal for supporting large structures and withstanding dynamic forces such as wind or seismic activity. Another noteworthy quality is the versatility of structural steel forgings. Steel can be shaped and sized into a diverse array of forms, making it adaptable to various design requirements. It can be forged into intricate and complex shapes, enabling the creation of precise and customized components. This versatility enables the application of structural steel forgings in a multitude of scenarios, ranging from beams and columns in buildings to bridges and offshore structures. Moreover, structural steel forgings exhibit excellent weldability. Various welding techniques can be employed to easily join steel components together, creating robust and dependable connections. This enhances the overall structural integrity and longevity of steel elements. One more key characteristic of structural steel forgings is their cost-effectiveness. Steel is an economical construction material due to its abundance, recyclability, and ease of manufacturing. The production process for steel forgings is efficient and can be scaled up to meet the demands of large-scale construction projects. Consequently, it represents a cost-effective choice for numerous applications. Furthermore, structural steel forgings are renowned for their resistance to corrosion. Steel can be treated with coatings or alloys to enhance its resistance against rust and other forms of corrosion. This makes it highly suitable for deployment in environments with high humidity, exposure to saltwater, or harsh weather conditions. In conclusion, the exceptional strength, versatility, weldability, cost-effectiveness, and resistance to corrosion are the primary characteristics of structural steel forgings. These qualities position structural steel forgings as the preferred choice for a multitude of construction and engineering applications, offering durability, reliability, and longevity to structures.
- Q:What are the different coating options available for special steel?
- Some of the different coating options available for special steel include galvanizing, powder coating, electroplating, and organic coatings such as epoxy or polyurethane. These coatings provide protection against corrosion, enhance durability, and improve the aesthetics of the steel.
- Q:What are the properties of case-hardening steel?
- Case-hardening steel is a type of steel that possesses surface hardness and wear resistance while maintaining a relatively soft and tough interior. It is achieved by introducing carbon into the outer layer of the steel through a process called carburization, which forms a hardened case. The core of the steel remains relatively softer, providing toughness and resistance to impact. This combination of properties makes case-hardening steel ideal for applications requiring a hard and durable outer surface, such as gears, bearings, and tools.
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ASTM Standard Reinforced Steel D Bar
- 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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