High Yield Deformed Bar Grade ASTM A615 & A615M
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
High Yield Deformed Bar Grade ASTM A615 & A615M-04a
Details of High Yield Deformed Bar Grade ASTM A615 & A615M-04a
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 High Yield Deformed Bar Grade ASTM A615 & A615M-04a
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 High Yield Deformed Bar Grade ASTM A615 & A615M-04a Supplier
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 High Yield Deformed Bar Grade ASTM A615 & A615M-04a
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
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Where are your Market? | Covering more than 160 countries in the world |
- Q: How does the corrosion resistance of special steel compare to regular steel?
- The corrosion resistance of special steel is generally superior to regular steel. Special steel is specifically designed to have enhanced resistance against corrosion due to its composition and manufacturing process. It often contains higher levels of alloying elements such as chromium, nickel, and molybdenum, which form a protective layer on the surface of the steel, preventing it from reacting with corrosive substances. Regular steel, on the other hand, typically has a lower corrosion resistance due to its composition and lack of alloying elements. It is more prone to rusting and other forms of corrosion when exposed to moisture, atmospheric gases, or chemicals. Furthermore, special steels may undergo additional treatments such as heat treatment, passivation, or coating to further enhance their corrosion resistance. These treatments help create a barrier against corrosive agents, extending the lifespan and durability of the steel in corrosive environments. In summary, special steel offers superior corrosion resistance compared to regular steel due to its composition, alloying elements, and additional treatments. This makes it a preferred choice in applications where corrosion resistance is critical, such as in marine environments, chemical processing plants, or infrastructure exposed to harsh weather conditions.
- Q: Can special steel be used in the nuclear power industry?
- Yes, special steel can be used in the nuclear power industry. Special steel is often used for components such as reactor pressure vessels, steam generators, and fuel cladding in nuclear power plants. Special steel's high strength, resistance to corrosion, and ability to withstand high temperatures make it suitable for the demanding conditions and safety requirements of the nuclear power industry.
- Q: What are the environmental impacts of manufacturing special steel?
- Manufacturing special steel has significant environmental impacts due to its energy-intensive production process and the extraction of raw materials. The production of special steel requires high temperatures and uses large amounts of fossil fuel-based energy, resulting in substantial greenhouse gas emissions contributing to climate change. Additionally, the extraction of iron ore and other raw materials for steel production can lead to deforestation, habitat destruction, and water pollution. The disposal of steel waste and byproducts also poses challenges, as it can contaminate soil and water sources. Therefore, the environmental impacts of manufacturing special steel must be carefully managed and mitigated through sustainable practices and technologies.
- Q: What are the different corrosion protection techniques used for special steel?
- There are several corrosion protection techniques used for special steel, including: 1. Coatings: Applying protective coatings like paints, epoxy, or polyurethane can create a barrier between the steel surface and corrosive elements, preventing direct contact and oxidation. 2. Galvanization: Special steel can be hot-dip galvanized, where a layer of zinc is applied to the surface. This zinc layer acts as a sacrificial anode, corroding in place of the steel and providing protection against corrosion. 3. Cathodic protection: This technique involves connecting the special steel to a sacrificial anode, such as zinc or magnesium, through an electrical circuit. The anode corrodes instead of the steel, extending its lifespan. 4. Passivation: Passivation is a chemical process that removes free iron and other contaminants from the surface of the steel, creating a passive oxide layer that enhances corrosion resistance. 5. Alloying: By adding specific alloying elements like chromium, nickel, or molybdenum to the special steel, its corrosion resistance can be significantly improved. 6. VCI (Volatile Corrosion Inhibitors): VCI techniques involve using chemicals that emit volatile corrosion inhibitors, which form a protective layer on the steel surface, inhibiting corrosion. It is important to assess the specific requirements, environment, and intended application of the special steel in order to select the most suitable corrosion protection technique.
- Q: What are the main factors affecting the impact toughness of special steel?
- The impact toughness of special steel, or any material for that matter, is influenced by various factors. Some of the main factors affecting the impact toughness of special steel are: 1. Composition: The chemical composition of the steel plays a significant role in determining its impact toughness. Elements such as carbon, manganese, silicon, nickel, and molybdenum can be added to enhance the toughness of the steel. Higher carbon content generally improves hardness but reduces toughness, while alloying elements like nickel and molybdenum can enhance toughness. 2. Heat treatment: The heat treatment process, including processes like quenching and tempering, can significantly affect the impact toughness of special steel. Proper heat treatment can refine the microstructure of the steel, making it more resistant to fractures and increasing its toughness. 3. Microstructure: The microstructure of the steel, including the size, shape, and distribution of its grains, greatly impacts its toughness. Fine-grained steels generally exhibit better toughness compared to coarse-grained ones. The presence of certain phases, such as martensite or bainite, can also affect the impact toughness. 4. Inclusions: The presence of non-metallic inclusions, such as sulfides, oxides, or carbides, in the steel can act as stress concentration points and reduce its impact toughness. High-quality special steels often undergo processes like vacuum degassing or electroslag remelting to minimize the presence of these inclusions. 5. Processing conditions: The manufacturing processes used to produce special steel can influence its impact toughness. Factors such as forging, rolling, or extrusion conditions, as well as the cooling rate during solidification, can affect the microstructure and, consequently, the toughness of the steel. 6. Temperature: The impact toughness of special steel also varies with temperature. Some steels exhibit good toughness at low temperatures, while others may have better performance at higher temperatures. The temperature at which the steel is used or tested is an important factor to consider when evaluating its impact toughness. It is worth noting that the impact toughness of special steel is often determined using standardized tests, such as the Charpy or Izod test, which involve subjecting a notched specimen to impact loading. These tests provide valuable information on the material's ability to absorb energy and resist fracture under impact conditions.
- Q: How does special steel contribute to the manufacturing of surgical instruments?
- Special steel is a crucial material in the manufacturing of surgical instruments due to its exceptional properties such as high corrosion resistance, strength, and durability. These qualities enable surgical instruments to withstand the harsh sterilization processes and provide long-lasting performance in medical settings. Additionally, special steel's ability to be shaped into intricate designs and its compatibility with sterilization methods ensures precision and hygiene in surgical procedures.
- Q: What are the cost considerations when using special steel?
- The cost considerations when using special steel include the price of the raw materials, as special steel typically contains alloying elements that can be expensive. Additionally, the manufacturing process for special steel may require specialized equipment and techniques, which can increase production costs. Furthermore, special steel may have specific requirements for heat treatment or machining, which can add to the overall cost. However, the use of special steel can offer benefits such as improved strength, corrosion resistance, or heat resistance, which can justify the higher costs in certain applications.
- Q: What are the different methods of improving the strength of special steel?
- There exist various approaches that can be utilized to enhance the strength of special steel. One prevalent technique involves the process of alloying. By incorporating specific elements like manganese, chromium, or vanadium into the steel, its strength and hardness can be significantly augmented. These alloying elements form robust and stable compounds with the steel, thereby enhancing its overall strength. Another method entails heat treatment. This process entails subjecting the steel to controlled heating and cooling processes in order to modify its microstructure. For instance, quenching and tempering can be employed to increase the strength and hardness of the steel by creating a hardened martensitic structure. Additionally, precipitation hardening is a heat treatment technique that involves the formation of fine particles within the steel matrix, resulting in improved strength. Cold working is also a widely utilized technique for strengthening special steel. By subjecting the steel to plastic deformation at low temperatures, its grain structure becomes elongated, and dislocations are introduced. This leads to an increase in the strength and hardness of the steel. Furthermore, surface treatments can be implemented to enhance the strength of special steel. For instance, carburizing or nitriding can be utilized to introduce carbon or nitrogen into the surface layer of the steel, resulting in the formation of a hard and wear-resistant surface. Moreover, advancements in metallurgical technology have introduced techniques such as powder metallurgy and rapid solidification. These methods involve the production of steel with fine and homogeneous microstructures, leading to improved strength and performance. In summary, the methods for improving the strength of special steel encompass alloying, heat treatment, cold working, surface treatments, and advanced metallurgical technologies. These techniques can be customized to meet specific requirements, enabling the production of high-strength and high-performance steel for various applications.
- Q: How does special steel contribute to the strength of structures?
- Special steel contributes to the strength of structures through its unique properties and composition. It is specifically engineered to have higher tensile strength, durability, and resistance to corrosion compared to regular steel. Its increased strength allows structures to withstand heavier loads, vibrations, and extreme weather conditions more effectively, ensuring their stability and longevity. Additionally, the use of special steel enables the construction of lighter and more streamlined structures, as thinner sections can be used without compromising their strength. Overall, special steel plays a vital role in enhancing the structural integrity and safety of various buildings, bridges, and infrastructure projects.
- Q: Can special steel be used in the production of musical instruments?
- Yes, special steel can be used in the production of musical instruments. It is commonly used for strings, guitar frets, and some wind instrument components due to its specific acoustic properties and durability.
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High Yield Deformed Bar Grade ASTM A615 & A615M
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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