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

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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

Product show

.jpg

Workshop show

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: What is the difference between general steel and special steel?: Pu steel: full name ordinary steel, mostly with plates, profiles and wire form. Ordinary steel is the basic material of the earliest, the largest amount of use in industry, widely used in architectural structure, bridge components, hull structure, transportation, machinery manufacturing, agriculture, textile, defense industry, metal products, food industry, household appliances and other various departments of the national economy.

Q: How is special steel manufactured?: Special steel is manufactured through a process called steelmaking, which involves melting iron ore along with other alloying elements such as chromium, nickel, or molybdenum, to achieve the desired properties. The molten steel is then refined, cast into various shapes, and subjected to heat treatment to enhance its strength, hardness, and other mechanical properties.

Q: What are the main characteristics of electrical steel forgings?: Electrical steel forgings possess several key characteristics that make them highly suitable for electrical applications. Firstly, electrical steel forgings exhibit low core loss, which refers to the amount of energy lost as heat during the magnetic cycle. This low core loss property makes electrical steel forgings ideal for transformers, motors, and generators, as it helps to enhance the overall efficiency and performance of these devices. Secondly, electrical steel forgings have high magnetic permeability, which means they can easily conduct magnetic flux. This characteristic allows for effective magnetic induction and helps to maximize the magnetic field strength in electrical components. As a result, electrical steel forgings enable efficient energy conversion and transmission. Additionally, electrical steel forgings exhibit low coercivity, meaning they require minimal magnetic field strength to magnetize and demagnetize. This property allows for faster and more precise magnetic switching in electrical devices, leading to improved performance and reduced energy losses. Furthermore, electrical steel forgings possess high electrical resistivity, which helps to minimize the flow of electrical current and reduce energy losses due to eddy currents. This characteristic is crucial in applications where electrical steel forgings are subjected to rapidly changing magnetic fields, such as power transformers. Lastly, electrical steel forgings are often treated with surface insulation coatings or coatings with high electrical resistivity to further enhance their electrical performance and prevent any short circuits or electrical leakage. In summary, the main characteristics of electrical steel forgings include low core loss, high magnetic permeability, low coercivity, high electrical resistivity, and the ability to be coated for insulation. These properties make electrical steel forgings essential for various electrical applications, ensuring efficient energy conversion, reduced losses, and reliable performance.

Q: What are the properties of high-strength tool steel?: High-strength tool steel typically possesses excellent hardness, toughness, wear resistance, and ability to retain its shape even under high temperatures and pressures. It is known for its durability, ability to withstand heavy loads, and resistance to deformation, making it ideal for demanding applications in tooling and machining.

Q: Can special steel be used in the oil refinery industry?: Yes, special steel can be used in the oil refinery industry. Special steels, such as stainless steel and duplex stainless steel, offer superior corrosion resistance and high strength properties, making them suitable for various applications in oil refineries. These steels can withstand harsh operating conditions, including exposure to corrosive chemicals and high temperatures, ensuring the durability and safety of equipment and infrastructure in the oil refinery industry.

Q: How is stainless steel used in the production of kitchen utensils?: Stainless steel is commonly used in the production of kitchen utensils due to its durability, resistance to corrosion, and easy maintenance. It is used to make a wide range of utensils such as knives, spoons, forks, and pots. The stainless steel material ensures that the utensils remain rust-free, food-safe, and long-lasting, making it ideal for daily cooking and food preparation.

Q: What are the different joining processes for special steel?: There are several different joining processes for special steel, including welding, brazing, and soldering. Welding involves melting the base metals and adding a filler material to create a strong bond. Brazing involves heating the base metals and using a filler material with a lower melting point to join them together. Soldering is a similar process to brazing, but it uses a filler material called solder with an even lower melting point. These joining processes are used to create durable and reliable connections in special steel applications.

Q: What are the different methods of surface tumbling for special steel?: There are several methods of surface tumbling that can be used for special steel. These methods include barrel tumbling, vibratory tumbling, and centrifugal tumbling. Barrel tumbling is a common method used for surface finishing of special steel. In this process, the steel parts are placed in a rotating barrel along with abrasive media. The barrel then rotates, causing the steel parts to tumble and come into contact with the abrasive media. This action helps to remove any burrs, sharp edges, or surface imperfections from the steel parts, resulting in a smoother and more polished surface finish. Vibratory tumbling is another method that can be used for surface tumbling of special steel. In this process, the steel parts are placed in a vibrating container along with abrasive media. The vibration causes the steel parts to move and come into contact with the abrasive media, effectively removing any surface imperfections. Vibratory tumbling is often preferred for delicate or complex-shaped steel parts, as it provides a gentler action compared to barrel tumbling. Centrifugal tumbling is a specialized method that utilizes centrifugal force to achieve surface tumbling of special steel. In this process, the steel parts are placed inside a rotating drum, which is then spun at a high speed. The centrifugal force causes the steel parts to move and come into contact with the abrasive media, resulting in the removal of any surface imperfections. Centrifugal tumbling is often used for smaller or more intricate steel parts, as it allows for precise control over the tumbling action. Overall, these different methods of surface tumbling provide various options for achieving the desired surface finish for special steel. The choice of method depends on factors such as the size, shape, and delicacy of the steel parts, as well as the desired level of surface finish.

Q: What are the applications of special steel in the manufacturing industry?: Special steel has a wide range of applications in the manufacturing industry, including the production of tools, machinery, and equipment. It is commonly used in sectors such as automotive, aerospace, energy, and construction due to its exceptional strength, durability, and resistance to corrosion. Special steel is also utilized in the manufacturing of components that require high wear resistance, such as gears, bearings, and cutting tools. Its versatility and unique properties make it an essential material in various industrial applications.

Q: What are the common challenges in forging special steel?: Forging special steel poses several common challenges that manufacturers and engineers must address in order to achieve desired outcomes. One of the primary challenges in forging special steel is maintaining precise temperature control throughout the process. Special steels often have specific heat treatment requirements, and any deviation from the recommended temperature range can adversely affect the final properties of the material. Achieving and sustaining the right temperature is crucial to ensure desired mechanical properties like strength, hardness, and toughness. Another challenge in forging special steel is controlling the cooling rate during quenching. Quenching is a critical step in the heat treatment process that helps to achieve the desired hardness and strength in special steels. However, rapid cooling can lead to the formation of undesirable microstructures or even cracking. Therefore, carefully managing the cooling rate is essential to avoid these issues and ensure optimal material properties. Additionally, shaping special steels through forging can be challenging due to their high strength and hardness. These materials are often more difficult to deform compared to regular steels, requiring higher forging pressures and specialized equipment. The resistance to deformation can lead to increased wear on the forging dies, requiring frequent maintenance and replacement. Furthermore, special steels may contain alloying elements that can affect their forgeability. Some alloying elements can promote grain growth, which can reduce the mechanical properties of the material. Finding the right balance of alloying elements and optimizing the forging process parameters is crucial to achieve the desired microstructure and properties in the final product. Lastly, ensuring consistency and repeatability in the forging process can be a challenge. Special steels are often produced in smaller quantities or for specific applications, making it important to maintain process control and quality assurance. Proper documentation, monitoring, and quality control measures need to be implemented to ensure that the forged special steel meets the desired specifications and performance requirements. Overall, forging special steel requires careful attention to temperature control, cooling rate during quenching, shaping difficulties, alloying elements, and maintaining consistency. Addressing these challenges through proper process control and optimization is crucial to obtain high-quality special steel products with the desired mechanical properties and performance characteristics.

Send your message to us

*Email

*TEL

*Quantity

*Unit