HRB400 PC Steel Bar for Prestressed Concrete
- 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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Specification
HRB400 PC Steel Bar for Prestressed Concrete
Description of HRB400 PC Steel Bar
1, Diameter: 5.5mm-10mm HRB400 PC Steel Bar
10m- 40mm HRB400 PC 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 HRB400 PC 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 HRB400 PC 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: Can special steel be used in the agricultural equipment manufacturing industry?
- Yes, special steel can be used in the agricultural equipment manufacturing industry. Special steel alloys have properties such as high strength, durability, and resistance to corrosion, which make them suitable for various components and machinery used in agriculture. These include plows, harvesters, tractors, and other farming equipment that require robust materials to withstand harsh conditions and heavy loads.
- Q: How does special steel contribute to the pharmaceutical industry?
- Special steel contributes to the pharmaceutical industry by providing the necessary materials for the production of high-quality equipment and tools. It is used in the manufacturing of pharmaceutical machinery, such as reactors, mixers, and pumps, that require corrosion resistance and hygienic properties. Special steel also plays a crucial role in the construction of storage and transportation containers for pharmaceutical products, ensuring their safety and efficacy.
- Q: Is special steel suitable for manufacturing cutting tools?
- Cutting tools benefit greatly from the use of special steel, which is steel that has been specifically designed and processed to possess exceptional properties. This type of steel is known for its high hardness, toughness, and wear resistance. These characteristics make it an ideal choice for cutting tools, as they allow the tools to withstand the high stresses and pressures involved in cutting operations. The hardness of special steel ensures that cutting tools can maintain their sharpness for a longer period of time, resulting in improved cutting performance and efficiency. Furthermore, the toughness of special steel enables cutting tools to resist chipping, cracking, or breaking during use, enhancing their durability and longevity. In addition, the wear resistance of special steel ensures that cutting tools can endure the abrasive forces encountered during cutting operations without significant loss of material or deterioration. This helps to maintain the accuracy and precision of the cutting tools over time. Furthermore, special steel can be customized to meet specific requirements for different cutting applications. For instance, high-speed steel (HSS) is a type of special steel that is particularly suitable for cutting tools used in high-speed machining operations. HSS possesses excellent heat resistance and can retain its hardness even at elevated temperatures. In summary, special steel is highly suitable for manufacturing cutting tools due to its hardness, toughness, wear resistance, and ability to be tailored for specific cutting applications. These properties allow cutting tools to deliver optimal cutting performance, durability, and accuracy.
- Q: How does surface treatment affect the performance of special steel?
- Surface treatment can significantly impact the performance of special steel by enhancing its corrosion resistance, improving wear resistance, increasing hardness, and reducing friction. These treatments, such as coatings, plating, or heat treatments, can also provide additional benefits like improved aesthetics, increased durability, and better adhesion for subsequent processes. Overall, surface treatment plays a crucial role in maximizing the performance and lifespan of special steel in various applications.
- Q: What are the different methods of testing the quality of special steel?
- There are several methods used to test the quality of special steel. 1. Chemical Analysis: This method involves analyzing the composition of the steel to ensure it meets the required chemical specifications. It helps determine the presence and quantity of various elements, such as carbon, manganese, chromium, nickel, and others, which are crucial for achieving specific mechanical properties. 2. Mechanical Testing: Mechanical testing is performed to evaluate the strength, hardness, ductility, and other mechanical properties of special steel. Common tests include tensile testing, which measures the steel's resistance to breaking under tension, and hardness testing, which determines its resistance to indentation or scratching. 3. Non-Destructive Testing (NDT): NDT methods are employed to assess the quality of steel without causing damage. Techniques such as ultrasonic testing, magnetic particle testing, and liquid penetrant testing are used to detect surface and internal defects, cracks, or discontinuities that may affect the steel's integrity. 4. Microscopic Examination: Microscopy is used to examine the microstructure of special steel, allowing for the evaluation of grain size, inclusions, and other structural features. This analysis can provide insights into the steel's properties and potential defects. 5. Corrosion Testing: Special steel often needs to resist corrosion in harsh environments. Various corrosion tests, such as salt spray testing, electrochemical methods, and exposure to corrosive substances, are conducted to assess the steel's resistance to corrosion and determine its suitability for specific applications. 6. Impact Testing: This method involves subjecting the steel to a high-energy impact to assess its toughness and resistance to sudden loading. It helps determine if the steel can withstand sudden shocks or impacts without fracturing. 7. Heat Treatment Analysis: Special steel often undergoes heat treatment processes to enhance its properties. Heat treatment analysis involves examining the microstructure and hardness of the steel after the treatment to ensure it has achieved the desired properties. Overall, the combination of these testing methods helps ensure that special steel meets the required quality standards, ensuring its suitability for various applications, such as construction, automotive, aerospace, and industrial equipment.
- Q: How is tool and die steel used in the manufacturing of molds and dies?
- Tool and die steel is an essential material used in the manufacturing of molds and dies due to its high strength, toughness, and wear resistance properties. It is used to create precise and durable molds and dies that are capable of withstanding the high pressures and temperatures involved in the manufacturing process. This steel is carefully designed and machined to produce intricate shapes and forms required for various industries such as automotive, aerospace, and electronics. Tool and die steel ensures the longevity and accuracy of molds and dies, leading to efficient and high-quality production in manufacturing processes.
- Q: What are the different nitriding techniques used for special steel?
- There are three main nitriding techniques used for special steel: gas nitriding, salt bath nitriding, and plasma nitriding. Gas nitriding involves exposing the steel to ammonia gas at high temperatures, resulting in the diffusion of nitrogen into the surface. Salt bath nitriding involves immersing the steel in a bath of molten salt containing nitrogenous compounds, allowing for nitrogen diffusion. Plasma nitriding, on the other hand, uses a low-pressure plasma to bombard the steel surface with nitrogen ions, creating a hardened layer. Each technique offers unique advantages and is chosen based on the specific requirements and properties desired for the special steel.
- Q: Can special steel be used in the manufacturing of cutting-edge technology products?
- Absolutely, cutting-edge technology products can certainly benefit from the use of special steel. Renowned for its exceptional strength, durability, and resistance to corrosion, special steel proves itself as an ideal material for various applications within the technology sector. Take, for instance, the manufacturing of smartphones, where special steel can be employed for the casing, ensuring exceptional protection against impact and scratches, all while maintaining a sleek and contemporary design. Furthermore, precision components for advanced machinery, such as robotics or medical devices, can be flawlessly crafted using special steel, given its imperative attributes of high strength and unrivaled reliability. In summary, special steel boasts myriad advantages, rendering it an optimal choice for the production of cutting-edge technology products.
- Q: What are the advantages of using special steel over other materials?
- There are several advantages of using special steel over other materials. Firstly, special steel has higher strength and toughness, making it more durable and resistant to wear and tear. Secondly, it offers excellent corrosion resistance, preventing rust and extending the lifespan of the product. Additionally, special steel can withstand extreme temperatures, making it suitable for applications in various industries. Moreover, its versatility allows for easy customization and shaping, meeting specific design requirements. Lastly, special steel is known for its high recyclability, making it an environmentally friendly choice.
- Q: How does special steel perform under low temperatures?
- Special steel generally performs well under low temperatures. It has good toughness and ductility, which allows it to withstand cold temperatures without becoming brittle or losing its structural integrity. This makes it suitable for various applications in industries such as aerospace, oil and gas, and automotive, where low-temperature environments are encountered.
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HRB400 PC Steel Bar for Prestressed Concrete
- 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
OKorder Financial Service
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