Nationnal Factory HRB500 Reinforcement Steel Bar
- Ref Price:
-
$300.00 - 500.00
/ m.t.
- 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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Item specifice
Type:
Carbon Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,EN,ASTM
Thickness:
6mm
Technique:
Hot Rolled,Cold Rolled
Shape:
Round
Surface Treatment:
Galvanized,Black
Steel Grade:
RHB335,HRB400
Certification:
ISO,SGS
Length:
12m
Net Weight:
22kg
Nationnal Factory HRB500 Reinforcement Steel Bar
Description of HRB500 Reinforcement Steel Bar
1, Diameter: 5.5mm-10mm HRB500 Reinforcement Steel Bar
10m- 40mm HRB500 Reinforcement Steel Bar
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
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 HRB500 Reinforcement 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 HRB500 Reinforcement Steel 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:What are the applications of special steel in the defense sector?
- Special steel, also known as high-strength or high-performance steel, finds numerous applications in the defense sector due to its unique properties and capabilities. The applications of special steel in the defense sector can be classified into various categories: 1. Armor and ballistic protection: Special steel is extensively used in the manufacturing of armored vehicles, tanks, and personnel carriers. Its high strength and hardness make it an ideal material for providing protection against ballistic threats, including bullets, fragments, and explosives. Special steel plates are used to reinforce the structure and provide resistance to penetration. 2. Ammunition and weapon components: Special steel is utilized in the production of various weapon components, including barrels, bolts, and receivers. Its exceptional strength, durability, and resistance to wear and corrosion make it suitable for manufacturing firearms and ammunition. Special steel alloys can withstand high temperatures and pressure generated during firing, ensuring reliable performance and longevity of weapons. 3. Aircraft and aerospace components: Special steel is used in the construction of aircraft and aerospace components, such as landing gears, engine components, and structural parts. Its high strength-to-weight ratio allows for the production of lightweight yet robust components, enhancing the overall performance and safety of military aircraft. Special steel alloys also exhibit excellent resistance to fatigue and high-temperature environments, making them suitable for demanding aerospace applications. 4. Naval applications: Special steel plays a crucial role in the defense sector's naval applications, including the construction of warships, submarines, and naval vessels. Its corrosion resistance, high strength, and toughness make it an ideal material for shipbuilding, ensuring the longevity and structural integrity of naval platforms. Special steel is also used in propeller shafts, hulls, and other critical components that require exceptional strength and resistance to harsh marine environments. 5. Missiles and rocketry: Special steel is utilized in the construction of missiles, rockets, and their propulsion systems. Its high-temperature resistance, strength, and ability to withstand extreme forces make it suitable for manufacturing critical components, such as rocket nozzles and motor casings. Special steel alloys can withstand the intense heat and pressure generated during rocket propulsion, ensuring reliable and efficient performance. Overall, the applications of special steel in the defense sector are vast and diverse. Its unique properties and capabilities contribute significantly to the development of robust, reliable, and high-performance defense systems, ensuring the safety and security of military personnel and assets.
- Q:How does special steel perform in high-vibration environments?
- Special steel is specifically designed to withstand high-vibration environments. Its unique composition and metallurgical properties make it highly resistant to fatigue, cracking, and deformation caused by vibrations. Additionally, special steel exhibits superior damping capacity, effectively absorbing and dissipating vibrations, thus reducing the risk of structural damage or failure in high-vibration environments.
- Q:What are the environmental considerations of using special steel?
- Special steel production has significant environmental considerations. The extraction and processing of raw materials, such as iron and coal, contribute to deforestation, habitat destruction, and greenhouse gas emissions. Moreover, the high energy requirements during steel production result in carbon dioxide emissions, contributing to climate change. Special steel also often requires the use of alloying elements, such as chromium and nickel, which can lead to toxic waste and pollution if not properly managed. Therefore, careful monitoring and implementation of sustainable practices are crucial to minimize the environmental impact associated with using special steel.
- Q:What are the requirements for special steel used in surgical instruments?
- The requirements for special steel used in surgical instruments are quite stringent due to the critical nature of their application in medical procedures. First and foremost, the steel must have excellent corrosion resistance to withstand the repeated exposure to body fluids and chemicals used in sterilization processes. This ensures that the instruments remain durable, hygienic, and safe for use. Another essential requirement is high strength and hardness, as surgical instruments must be able to withstand the forces exerted during procedures without bending, breaking, or losing their sharpness. Additionally, the steel should possess excellent wear resistance to maintain its cutting edge for an extended period, reducing the need for frequent sharpening or replacement. Biocompatibility is another crucial factor for surgical instruments. The steel should not cause any adverse reactions when in contact with living tissue or fluids, minimizing the risk of infection or complications for patients. This requires the absence of harmful elements or impurities that may trigger allergic responses or toxicity. Furthermore, the steel used in surgical instruments must be highly sterilizable. It should be capable of withstanding high temperatures during autoclaving or other sterilization methods without undergoing significant changes in its physical or mechanical properties. Lastly, the steel should be easily workable, allowing for precision manufacturing processes such as forging, machining, and polishing to create intricate instrument designs. This ensures that surgical instruments have the necessary shape, size, and surface finish required to perform specific tasks effectively. Overall, the requirements for special steel used in surgical instruments encompass corrosion resistance, strength, hardness, wear resistance, biocompatibility, sterilizability, and workability to ensure the instruments meet the demanding standards of the medical field.
- Q:What is the role of boron in special steel alloys?
- Boron plays a crucial role in special steel alloys by enhancing their hardenability, which is the ability of the steel to be hardened through heat treatment. It acts as a grain refiner, allowing for a finer and more uniform microstructure in the steel, resulting in improved mechanical properties such as increased strength and toughness. Additionally, boron helps to prevent the formation of harmful oxides during steel production, leading to improved overall quality and performance of the alloy.
- Q:How does special steel contribute to the mining equipment industry?
- Special steel plays a significant role in the mining equipment industry by providing superior strength, durability, and resistance to harsh operating conditions. It is used in the manufacturing of various mining equipment components such as drill bits, crusher parts, conveyor belts, and buckets, enhancing their performance and longevity. Additionally, special steel enables the development of more advanced and efficient mining machinery, leading to increased productivity and safety in the mining sector.
- Q:How does cryogenic treatment affect the toughness of special steel?
- Cryogenic treatment has a significant impact on the toughness of special steel. It involves subjecting the steel to extremely low temperatures, typically below -150 degrees Celsius, for an extended period. This process transforms the microstructure of the steel, resulting in improved mechanical properties, including increased toughness. During cryogenic treatment, the steel undergoes a process called martensitic transformation, where the carbon atoms in the steel lattice rearrange themselves. This transformation leads to the formation of additional carbides, which are responsible for strengthening the steel and increasing its toughness. These carbides act as barriers, impeding the propagation of cracks and enhancing the resistance of the steel to fracture. Furthermore, cryogenic treatment also reduces the presence of retained austenite, a metastable phase in steel that can negatively impact its mechanical properties. The transformation of retained austenite into martensite during cryogenic treatment further improves the toughness of the steel. The increased toughness of cryogenically treated special steel makes it suitable for various applications that require high strength and resistance to fracture. It enhances the steel's ability to withstand heavy loads, impacts, and harsh environments. Additionally, cryogenic treatment can improve the wear resistance and dimensional stability of special steel. It is important to note that while cryogenic treatment can significantly enhance the toughness of special steel, it is not a standalone solution. Other factors, such as the initial composition and heat treatment of the steel, also play a crucial role in determining its overall mechanical properties. Therefore, cryogenic treatment should be considered as a complementary process to optimize the toughness of special steel.
- Q:How is high-speed tool steel used in the production of machining tools?
- High-speed tool steel is used in the production of machining tools due to its exceptional hardness and ability to retain its cutting edge even at high temperatures. This steel is used to create tool bits, inserts, and drill bits that are capable of withstanding the high speeds and forces involved in machining processes. Its high wear resistance and heat resistance properties make it an ideal choice for manufacturing cutting tools that can efficiently shape and form various materials during machining operations.
- Q:Can special steel be used in the rubber manufacturing industry?
- Yes, special steel can be used in the rubber manufacturing industry. It is commonly used for making molds, dies, and other components that are used in the production process of rubber products. Special steel provides durability, strength, and resistance to wear, which are essential properties required in the rubber manufacturing industry.
- Q:What are the different peening techniques used for special steel?
- There are several peening techniques used for special steel, including shot peening, ultrasonic peening, laser peening, and cavitation peening. Each technique involves using different methods and tools to introduce controlled compressive stresses into the material's surface, improving its mechanical properties and resistance to fatigue, stress corrosion, and other forms of degradation.
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Nationnal Factory HRB500 Reinforcement Steel Bar
- Ref Price:
-
$300.00 - 500.00
/ m.t.
- 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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