BS4449 460B Reinforcing Deformed Steel Bars
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Item specifice
BS4449 460B Reinforcing Deformed Steel Bars
Details of BS4449 460B Reinforcing Deformed Steel Bars
Name | Deformed Bar |
Shape | Round Bar |
Standard | 1.GB1499.2-2007, HRB335, HRB400E 2. ASTM A615 Gr.40, Gr.60 3.BS4449/1997 |
Diameter | 6mm-50mm |
Length | 6m, 8m, 9m,12m as standard or as request |
Test | SGS/UT 100% Elements Testing |
Certificate: | ISO/Mill Certificate |
Service: | 24 hours online service / |
more than 20 years trading and manufacture | |
Quality Assurance: | the third party inspection, such as SGS, BV, TUV…etc. is acceptable |
Packaging Details: | Seaworthy Packaging or as per customer's packing instruction |
Specification of BS4449 460B Reinforcing Deformed Steel Bars
Standard | Grade | Yield Strength Mpa | Tensile Strength | Elongation% |
BS4449:1997 | 250 | 250 | 295 | 22 |
460A | 460 | 485 | 12 | |
460B | 460 | 500 | 15 | |
GB1499.2-2007 | HRB335/335E | 335 | 455 | 17 |
HRB400/400E | 400 | 540 | 17 | |
HRB500/500E | 500 | 630 | 16 | |
ASTM A615 & A615M-04a | GRADE40 | 280 | 420 | 12 |
GRADE60 | 420 | 620 | 9 | |
GRADE75 | 520 | 690 | 7 | |
JIS G3112-2004 | SD295A | ≥ 295 | 440-600 | 17 |
SD295B | 295-390 | ≥ 440 | 17 | |
SD345 | 345-440 | ≥490 | 19 | |
SD390 | 390-510 | 560 | 17 | |
SD490 | 490-625 | ≥ 620 | 13 |
Size | WEIGHT | WEIGHT | QUANTITY | ||
LENGTH 6M | LENGTH 12M | LENGTH 6M | LENGTH 12M | ||
6 | 0.222 | 1.332 | 2.664 | 751 | 375 |
8 | 0.395 | 2.37 | 4.74 | 422 | 211 |
10 | 0.617 | 3.702 | 7.404 | 270 | 135 |
12 | 0.888 | 5.328 | 10.656 | 188 | 94 |
14 | 1.21 | 7.26 | 14.52 | 138 | 69 |
16 | 1.58 | 9.48 | 18.96 | 106 | 53 |
18 | 2 | 12 | 24 | 83 | 42 |
20 | 2.47 | 14.82 | 29.64 | 67 | 34 |
22 | 2.98 | 17.88 | 35.76 | 56 | 28 |
25 | 3.85 | 23.1 | 46.2 | 43 | 22 |
28 | 4.83 | 28.98 | 57.96 | 35 | 17 |
32 | 6.31 | 37.86 | 75.72 | 26 | 13 |
36 | 7.99 | 47.94 | 95.88 | 21 | 10 |
40 | 9.87 | 59.22 | 118.44 | 17 | 8 |
50 | 15.42 | 92.52 | 185.04 | 11 | 5 |
CNBM Introduction of BS4449 460B Reinforcing Deformed Steel Bars
CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.
With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.
Packaging & Delivery of BS4449 460B Reinforcing Deformed Steel Bars
Packaging Detail | Sea worthy packing /as per customer's packing instruction |
Delivery Detail | 15 ~ 40 days after receiving the deposit |
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FAQ:
Are you a trading company or manufacturer? | Manufacturer |
What’s the MOQ? | 3 metric ton |
What’s your delivery time? | 15-35 days after downpayment received |
Do you Accept OEM service? | Yes |
what’s your delivery terms? | FOB/CFR/CIF |
What's the Payment Terms? | 30% as deposit,70% before shipment by T/T |
Western Union acceptable for small amount. | |
L/C acceptable for large amount. | |
Scrow ,Paybal,Alipay are also ok | |
Why choose us? | Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals. |
What's your available port of Shipment? | Main Port, China |
What’s your featured services? | Our service formula: good quality+ good price+ good service=customer's trust
|
Where are your Market? | Covering more than 160 countries in the world |
- Q:How is the quality of special steel ensured?
- The quality of special steel is ensured through a combination of rigorous testing, strict quality control measures, and adherence to international standards and specifications. Special steel producers employ various methods such as chemical analysis, mechanical testing, and non-destructive testing to verify the composition, strength, and integrity of the steel. Additionally, special steel manufacturers often have dedicated quality assurance teams that closely monitor the production process to identify any potential issues and ensure the final product meets the required specifications.
- Q:What are the different surface treatments used for special steel?
- Special steel can undergo different surface treatments to meet specific requirements and achieve desired properties. Some commonly used treatments include: 1. Nitriding: By diffusing nitrogen into the steel surface, a hardened layer is formed, improving surface hardness, wear resistance, and fatigue strength. 2. Carburizing: Carbon is introduced into the steel surface, creating a hard and wear-resistant layer. This treatment enhances surface hardness and improves resistance to wear and fatigue. 3. Coating: A thin layer of protective material, such as zinc, chrome, or ceramic, is applied to the steel surface. Coatings provide corrosion resistance, improved aesthetics, and enhanced durability. 4. Shot peening: Small metallic or ceramic particles are bombarded onto the steel surface, inducing compressive stresses that enhance fatigue strength and resistance to cracking. 5. Electroplating: Through an electrical current, a thin layer of metal is deposited onto the steel surface. This treatment improves corrosion resistance and enhances appearance. 6. Passivation: The steel surface is treated with a chemical solution to remove impurities and create a protective oxide layer. This process improves corrosion resistance and enhances surface finish. 7. Anodizing: Although commonly used for aluminum, anodizing can also be applied to special steel. It involves creating an oxide layer on the steel surface through an electrolytic process. This treatment improves corrosion resistance, provides an aesthetic finish, and can be used for coloring. These surface treatments offer various benefits and are chosen based on specific application requirements, such as corrosion resistance, wear resistance, hardness, aesthetics, or improved mechanical properties.
- Q:How do alloying elements affect the properties of special steel?
- Alloying elements play a crucial role in determining the properties of special steel. By adding specific elements to the steel composition, various desirable characteristics can be achieved. Firstly, alloying elements can improve the strength and hardness of the steel. For example, elements like chromium, nickel, and molybdenum enhance the steel's resistance to deformation and improve its overall toughness. This is particularly important in applications where the steel needs to withstand high temperatures, pressure, or mechanical stress. Moreover, alloying elements can enhance the corrosion resistance of special steel. Elements such as chromium, nickel, and copper create a protective oxide layer on the surface of the steel, which prevents it from rusting or corroding. This is particularly important in industries such as marine, oil and gas, and chemical processing, where exposure to corrosive environments is common. Additionally, alloying elements can influence the steel's ability to be welded, machined, or heat treated. For instance, elements like manganese and silicon improve the weldability of steel, making it easier to join different components together. On the other hand, elements like vanadium and tungsten increase the steel's ability to retain its hardness even after being subjected to high temperatures, making it suitable for applications involving heat treatment. Furthermore, alloying elements can impact the steel's electrical and magnetic properties. Elements like nickel and cobalt can enhance the steel's magnetic properties, making it suitable for applications in electrical transformers or magnetic devices. Conversely, elements like aluminum and titanium can improve the steel's electrical conductivity, making it ideal for electrical wiring or conductive components. In summary, alloying elements have a significant impact on the properties of special steel. They can enhance its strength, hardness, corrosion resistance, weldability, heat treatability, electrical conductivity, and magnetic properties. By carefully selecting and controlling the alloying elements, manufacturers can tailor the steel's properties to meet the specific requirements of various industries and applications.
- Q:Can special steel be used in the manufacturing of tools?
- Yes, special steel can be used in the manufacturing of tools. Special steel is often chosen for tool production due to its high strength, durability, and resistance to wear and corrosion. It allows for the production of high-quality tools that can withstand heavy duty applications and provide long-lasting performance.
- Q:How does special steel perform in high-stress environments?
- Special steel performs exceptionally well in high-stress environments due to its unique properties. Its enhanced strength, durability, and resistance to corrosion make it highly reliable and capable of withstanding extreme conditions. This allows it to maintain its structural integrity and prevent deformation or failure, making it ideal for use in demanding industries like aerospace, oil and gas, and automotive.
- Q:What are the challenges in working with special steel?
- When it comes to working with special steel, there are several distinct challenges that set it apart from regular steel. Let's take a look at some of the main difficulties one might encounter in this field: 1. Expensive nature: Special steels often come with higher production costs due to their unique composition and properties. The raw materials used in their production may be scarce or require intricate manufacturing processes, resulting in increased expenses. 2. Limited availability: Special steels are not as readily accessible as regular steels, making it more arduous to source them. This limited availability can lead to longer lead times and potentially higher costs when attempting to obtain the necessary materials. 3. Machining complexity: Special steels can prove challenging to machine due to their elevated hardness or toughness. Their distinctive properties may cause excessive tool wear, resulting in increased machining time and costs. Overcoming these challenges may necessitate the use of specialized cutting tools and machining techniques. 4. Heat treatment requirements: Achieving the desired mechanical properties of special steels often demands precise and specific heat treatment processes. The complexity of heat treatment lies in the careful control of temperature, time, and cooling rates. Improper heat treatment can result in inconsistent material properties or even material failure. 5. Welding difficulties: In comparison to regular steels, certain special steels may exhibit poor weldability. They may be prone to cracking or require preheating and post-weld heat treatment to ensure proper joint integrity. This can introduce complexity and cost to welding processes. 6. Corrosion susceptibility: While special steels may possess excellent mechanical properties, they can sometimes be more vulnerable to corrosion when compared to regular steels. This necessitates additional measures to protect the steel from corrosion, such as applying protective coatings or utilizing corrosion-resistant alloys. 7. Knowledge and expertise requirements: Working with special steels typically demands a higher level of technical knowledge and expertise. The unique properties and characteristics of these materials necessitate a deep understanding of their behavior and effective handling. This may call for specialized training or collaboration with experts in the field. Despite these challenges, working with special steel also offers various benefits, including superior strength, durability, and performance in specific applications. By comprehending and addressing these challenges, engineers and manufacturers can leverage the unique properties of special steel to develop innovative and high-quality products.
- Q:How does special steel perform in terms of machinability?
- Special steel typically performs well in terms of machinability. It is specially designed to have improved cutting, drilling, and shaping properties, making it easier to work with using various machining processes. Special steel often has a more consistent composition and structure, which results in reduced tool wear, better surface finish, and increased productivity during machining operations.
- Q:What are the main alloying elements in special steel?
- The main alloying elements in special steel are chromium, nickel, molybdenum, vanadium, and tungsten.
- Q:How does special steel contribute to the aerospace material weight reduction?
- Special steel contributes to aerospace material weight reduction through its unique properties and characteristics. Special steel alloys such as stainless steel, titanium alloys, and high-strength low-alloy steel offer superior strength-to-weight ratios, allowing for the construction of lightweight yet robust components and structures in aircraft. These steel alloys possess excellent mechanical properties, including high tensile strength, hardness, and corrosion resistance, which enables them to withstand extreme conditions and reduce the need for additional material reinforcement. By utilizing special steel, aerospace manufacturers can design and fabricate lighter aircraft, resulting in improved fuel efficiency, increased payload capacity, and enhanced overall performance.
- Q:What are the main properties of special steel?
- The main properties of special steel include high strength, excellent corrosion resistance, superior heat resistance, good toughness, and exceptional wear resistance. Additionally, special steel often exhibits high ductility, machinability, and weldability, making it suitable for various applications in industries such as automotive, aerospace, and construction.
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BS4449 460B Reinforcing Deformed Steel Bars
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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