Round Bar Steel Bar EN8 EN9 Special Steel

Round Bar Steel Bar EN8 EN9 Special Steel System 1

Round Bar Steel Bar EN8 EN9 Special Steel

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Product information:

1. Grade: Q235, SAE1020, SAE1040,SAE1045, 20Cr/SAE5120, 40Cr/SAE5140,

SCM440/SAE4140/42CrMo, SS400

2. Size: 8mm--100mm

3. Shape: flat bar, round bar, hexagonal bar, square bar, and so on.

4. Payment Terms: T/T, L/C.

5. MOQ: 5MT

6. Delivery terms: FOB or CIF

7. Shipment time: 35days or according to the qty.

8. Advantages: fast delivery, full-size, large inventories and accurate precision.

Chemical Composition:

STEEL GRADE	Similar Brand			Chemical Composition(%)
GB	AISI SAE	JIS	DIN	C	Si	Mn	Cr	Mo	Ni(≤)	P(≤)	S(≤)
20	1020	S20C	CK22	0.17-0.24	0.17-0.37	0.35-0.65	0.25	/	0.25	0.035	0.035
45	1045	S45C	CK45	0.42-0.50	0.17-0.37	0.50-0.80	0.25	/	0.25	0.035	0.035
15CrMo	4115	SCM415	15CrMo5	0.12-0.18	0.17-0.37	0.40-0.70	0.80-1.10	0.40-0.55	0.30	0.035	0.035
30CrMo	4130	SCM430	25CrMo4	0.26-0.34	0.17-0.37	0.40-0.70	0.80-1.10	0.15-0.25	0.030	0.035	0.035
42CrMo	4140	SCM440	42CrMo4	0.38-0.45	0.17-0.37	0.50-0.80	0.90-1.20	0.15-0.25	0.030	0.035	0.035

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Round Bar Steel Bar EN8 EN9 Special Steel

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q: How is special steel used in the production of hydraulic components?: Special steel is used in the production of hydraulic components due to its high strength, corrosion resistance, and ability to withstand extreme pressure and temperature conditions. It helps in manufacturing durable and reliable hydraulic parts such as cylinders, valves, fittings, and pistons, ensuring efficient functioning and long-lasting performance of hydraulic systems.

Q: What are the specific requirements for special steel used in the nuclear fuel industry?: The nuclear fuel industry imposes stringent and demanding requirements on special steel. These requirements are crucial to guarantee the safety and reliability of nuclear power plants. Here are some of the key specifications for special steel used in this sector: 1. Withstanding high temperatures: The special steel employed in the nuclear fuel industry must have the ability to endure high temperatures without compromising its structural integrity. This is of utmost importance as nuclear reactors generate intense heat during their operation. 2. Resisting corrosion: The nuclear fuel environments can be highly corrosive due to the presence of hot and pressurized water, radiation, and chemical reactions. Special steel used in this industry must exhibit exceptional resistance to corrosion in order to prevent deterioration and maintain safety. 3. Resisting radiation: The nuclear fuel industry involves exposure to radiation. Special steel must possess outstanding resistance to radiation damage and embrittlement in order to ensure long-term structural integrity and avoid any risk of failure. 4. High strength and toughness: Special steel used in the nuclear fuel industry should possess high strength and toughness to withstand the extreme conditions experienced within a nuclear reactor. This guarantees that the steel can endure the pressure and stress exerted on it during reactor operation. 5. Low neutron absorption: Neutron absorption is a critical factor in nuclear reactors. Special steel used in this industry should exhibit low neutron absorption properties to prevent interference with nuclear reactions and maintain reactor efficiency. 6. Stringent quality control and traceability: The manufacturing and fabrication of special steel for the nuclear fuel industry must conform to strict quality control procedures to ensure consistency and reliability. Traceability is also pivotal in identifying the origin and history of the steel, enabling comprehensive inspections and assessments. Meeting these specific requirements is crucial for the safe and efficient operation of nuclear power plants. Special steel used in the nuclear fuel industry must undergo rigorous testing, certification, and quality control processes to ensure compliance with these stringent specifications.

Q: What are the factors that affect the fatigue strength of special steel?: The factors that affect the fatigue strength of special steel include the composition of the steel, the heat treatment process used, the presence of impurities or defects, the surface finish, the loading conditions, and the operating environment.

Q: What are the main applications of special steel in the packaging industry?: Special steel has a wide range of applications in the packaging industry, primarily due to its exceptional strength, durability, and corrosion resistance. It is commonly used in the manufacturing of packaging machinery, such as conveyor systems, filling machines, and cutting tools, ensuring efficient and precise operations. Additionally, special steel is often employed in the production of packaging materials, including cans, containers, and closures, providing enhanced protection and preservation of goods.

Q: Can special steel be used in the production of surgical implants?: Yes, special steel can be used in the production of surgical implants. Special steels such as stainless steel or titanium alloys are often chosen for their corrosion resistance, biocompatibility, and mechanical properties, making them suitable for manufacturing surgical implants that need to be durable and compatible with the human body.

Q: How is special steel stored and transported?: Special steel is typically stored and transported in a controlled environment to ensure its quality and prevent any damage or contamination. It is stored in covered warehouses or facilities equipped with proper ventilation, humidity control, and temperature regulation. Additionally, special steel is often stored on racks or shelves to prevent direct contact with the ground and minimize the risk of corrosion. When it comes to transportation, special steel is usually transported in specially designed containers or crates, ensuring protection from external elements and providing secure handling during transit.

Q: What are the different production methods for special steel?: There are several different production methods for special steel, each with its own unique advantages and characteristics. Some of the most common methods include: 1. Electric Arc Furnace (EAF): This method involves melting scrap steel in an electric arc furnace, where an electric current generates intense heat to melt the materials. EAF is popular for its flexibility, as it can produce a wide range of steel grades and alloys. 2. Basic Oxygen Furnace (BOF): In this process, molten iron from a blast furnace is combined with scrap steel and oxygen to remove impurities and adjust the carbon content. BOF is known for its high production capacity and ability to produce large quantities of steel. 3. Vacuum Induction Melting (VIM): VIM is a method used to produce high-quality and high-purity steel. It involves melting the raw materials in a vacuum environment to prevent contamination and achieve precise control over the alloy composition. 4. Continuous Casting: This method involves pouring molten steel into a water-cooled mold, which continuously produces solidified steel slabs, blooms, or billets. Continuous casting is known for its efficiency and ability to produce consistent and defect-free steel products. 5. Powder Metallurgy: This technique involves compacting and sintering metal powders to produce steel with specific properties. Powder metallurgy allows for the production of complex shapes, improved mechanical properties, and the incorporation of alloying elements that are challenging to achieve through traditional methods. 6. Additive Manufacturing (AM): Also known as 3D printing, AM is a relatively new method for producing special steel. It involves layer-by-layer deposition of metal powders, which are then fused together using heat or a laser. AM offers great design freedom, the ability to produce complex geometries, and the potential for customized steel parts. Each production method has its own advantages and limitations, and the choice depends on factors such as the desired steel properties, production volume, cost considerations, and the specific requirements of the end-use application.

Q: What are the main applications of special steel in the chemical industry?: Special steel is widely used in the chemical industry for various applications. One of the main applications is in the construction of chemical processing equipment, such as reactors, storage tanks, and pipes, due to its excellent corrosion resistance properties. Additionally, special steel is used for manufacturing valves, fittings, and pumps, where high strength and resistance to chemicals are crucial. It is also utilized in the production of heat exchangers and condensers, which require materials that can withstand extreme temperatures and corrosive environments. Overall, special steel plays a vital role in ensuring the safety and efficiency of chemical processes in the industry.

Q: What are the different mechanical defects in special steel?: There are several mechanical defects that can occur in special steel, which can compromise its overall strength and performance. Some of the most common defects include: 1. Inclusions: Inclusions are foreign particles or impurities that are present in the steel. These can include oxides, sulfides, or other non-metallic materials. Inclusions can weaken the steel and reduce its ductility, making it more prone to cracking or failure. 2. Segregation: Segregation refers to the uneven distribution of alloying elements within the steel. This can lead to variations in hardness, strength, and other mechanical properties across the material. Segregation can create localized areas of weakness, increasing the likelihood of failure under stress. 3. Cracks: Cracks can occur in special steel due to a variety of factors, such as improper cooling, excessive heat, or high levels of stress. Cracks can significantly reduce the structural integrity of the steel and may propagate over time, leading to catastrophic failure. 4. Laminations: Laminations are thin layers or sheets of material that are formed during the manufacturing process. They can occur due to improper rolling or forging, or the presence of inclusions. Laminations can weaken the steel and lead to premature failure under load. 5. Decarburization: Decarburization is the loss of carbon from the surface of the steel, typically due to exposure to high temperatures or oxidation. This can result in a layer of softer, lower carbon steel on the surface, reducing the overall hardness and strength of the material. 6. Grain growth: Grain growth occurs when the individual crystals within the steel (grains) grow larger over time. This can happen due to high temperatures, prolonged exposure to stress, or improper heat treatment. Grain growth can reduce the strength and toughness of the steel, making it more prone to deformation or fracture. It is important to note that these mechanical defects can vary in severity and are often influenced by factors such as the manufacturing process, quality control measures, and the specific composition of the special steel. Regular inspection, testing, and adherence to proper handling and processing techniques are essential to minimize these defects and ensure the desired mechanical properties in special steel.

Q: Can special steel be used in the production of luxury goods?: Yes, special steel can definitely be used in the production of luxury goods. Luxury goods often require high-quality materials to ensure durability, exclusivity, and overall premium quality. Special steels, such as stainless steel, alloy steel, or carbon steel, offer various desirable properties that make them suitable for luxury goods manufacturing. For instance, stainless steel is widely used in luxury watches, jewelry, and accessories due to its corrosion resistance, shiny appearance, and ability to withstand daily wear and tear. Additionally, certain alloy steels can provide exceptional strength and toughness, making them ideal for luxury car parts, high-end knives, or designer furniture. The use of special steel in luxury goods not only enhances their aesthetic appeal but also contributes to their longevity and value. These materials can be crafted into intricate designs, allowing manufacturers to create unique, one-of-a-kind products that cater to the discerning tastes of luxury consumers. Overall, special steel offers a wide range of qualities that are highly sought after in the production of luxury goods, making it a preferred choice among designers and manufacturers in this industry.

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