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: How does special steel contribute to the aerospace defense machinery industry?: The aerospace defense machinery industry heavily depends on special steel to meet the demanding requirements of strength, durability, and performance. Special steel alloys are essential for various components and systems, playing a critical role in ensuring the structural integrity, longevity, and optimal functioning of aerospace defense machinery. To begin with, aircraft structures like wings, fuselage, and landing gear are manufactured using special steel alloys. These components need materials that can withstand extreme forces, temperature fluctuations, and corrosive environments. Special steel alloys possess unique properties, including a high strength-to-weight ratio, excellent fatigue resistance, and resistance to corrosion, making them ideal for these purposes. Furthermore, special steel is crucial for the production of engine components like turbine blades, shafts, and casings. These parts operate under extreme conditions, such as high temperatures, pressures, and rotational speeds. Special steel alloys with high heat resistance, excellent mechanical properties, and good creep resistance are essential for ensuring optimal engine performance, fuel efficiency, and reliability. In addition to structural and engine components, special steel is used in the manufacturing of various defense systems, including missile guidance systems, radar systems, and communication equipment. These systems require materials with electromagnetic compatibility, high strength, and resistance to vibration and shock. Special steel alloys with specific electromagnetic properties, like low magnetic permeability or high electrical conductivity, contribute to the efficient functioning of these systems. Moreover, special steel is heavily relied upon in the production of precision tools, cutting blades, and molds used in the manufacturing process. These tools must possess high hardness, wear resistance, and dimensional stability to ensure accurate and efficient processing of complex components. Overall, special steel is a crucial aspect of the aerospace defense machinery industry, providing the necessary strength, durability, and performance required for the demanding and often harsh operating conditions in this sector. The unique properties of special steel alloys contribute to the development of advanced and reliable aerospace defense machinery, enhancing the capabilities and safety of military and defense operations.

Q: What are the different types of wear-resistant steel?: There are several different types of wear-resistant steel, including AR400, AR500, HARDOX, and DOMEX. These types of steel are specifically designed to withstand abrasive wear and impact, making them ideal for applications such as mining equipment, excavator buckets, and conveyor systems. They have high hardness and toughness properties, which help to prolong the lifespan of the equipment and reduce maintenance costs.

Q: What are the specific requirements for special steel used in the defense armor industry?: The specific requirements for special steel used in the defense armor industry are as follows: 1. High strength: Special steel used in defense armor must possess exceptional strength to withstand the impact of projectiles and explosives. It should be able to resist deformation and penetration under extreme conditions. 2. Hardness: The steel should have high hardness to provide resistance against cutting, drilling, or other forms of mechanical damage. This property ensures that the armor can withstand attacks and prevent penetration. 3. Toughness: Special steel needs to exhibit toughness, which allows it to absorb and dissipate the energy generated from impacts. This property helps to minimize the damage caused by projectiles and explosions. 4. Ballistic resistance: The steel should possess excellent ballistic resistance to effectively stop or deflect projectiles. It should be able to absorb and distribute the impact energy over a larger area, reducing the likelihood of penetration. 5. Corrosion resistance: Defense armor is exposed to various environmental conditions, including moisture and chemicals. Therefore, the special steel used in defense armor must have high corrosion resistance to ensure its longevity and effectiveness. 6. Weldability: The steel should be easily weldable to allow for the construction of complex armor structures. Weldability ensures that the armor can be conveniently assembled, repaired, or modified as per the specific requirements. 7. Heat resistance: Defense armor may need to withstand high temperatures generated from explosions or intense fire. Special steel should possess heat resistance to maintain its structural integrity and protective capabilities under such extreme conditions. 8. Lightweight: While maintaining the above properties, special steel should also be lightweight to ensure ease of mobility for soldiers and vehicles. The armor should not hinder movement or impose excessive weight burdens. Meeting these requirements is crucial to ensure the effectiveness and reliability of defense armor in providing protection to military personnel and assets.

Q: How is special steel used in the production of turbine blades?: Special steel is used in the production of turbine blades due to its exceptional properties such as high strength, corrosion resistance, and heat resistance. These blades must withstand extreme conditions, including high temperatures and pressures, as well as rotational forces. Special steel provides the necessary strength and durability to ensure the blades can effectively convert kinetic energy into mechanical power.

Q: How is special steel used in the packaging supply chain?: Special steel is used in the packaging supply chain for various purposes. It is used to manufacture durable and strong packaging equipment such as steel drums, containers, and pallets. These steel products ensure the safe transportation and storage of goods, especially heavy or hazardous materials. Additionally, special steel is used in the production of cutting tools, blades, and molds that are essential for packaging processes. Overall, special steel plays a crucial role in ensuring the efficiency, reliability, and safety of the packaging supply chain.

Q: How does special steel perform in high-temperature fatigue?: Special steel is renowned for its outstanding performance in conditions of high-temperature fatigue. When exposed to elevated temperatures, special steel demonstrates qualities such as remarkable strength, exceptional resistance to creep, and superior thermal stability. These characteristics render it highly dependable and capable of enduring extended periods of exposure to extreme temperatures without significant deterioration in performance. One of the key factors contributing to special steel's exceptional performance in high-temperature fatigue is its distinct composition. Typically, it contains alloying elements like chromium, molybdenum, and vanadium, which enhance its strength at high temperatures and resistance to thermal fatigue. These alloying elements create stable carbides and nitrides that aid in preserving the material's structural integrity even under intense heat and cyclic loading. Furthermore, special steel undergoes specialized heat treatment procedures, such as quenching and tempering, to further enhance its properties in high-temperature fatigue. These treatments augment the material's microstructure, resulting in increased strength, toughness, and resistance to thermal fatigue. In conditions of high-temperature fatigue, special steel exhibits remarkable fatigue strength and durability, even when subjected to cyclic loading at elevated temperatures. Its high-temperature fatigue limit surpasses that of regular steel significantly, enabling it to withstand repetitive stress and strain without experiencing premature failure. This makes special steel an ideal choice for applications involving high-temperature environments, such as gas turbines, heat exchangers, and aerospace components. To conclude, special steel delivers exceptional performance in high-temperature fatigue conditions due to its unique composition, specialized heat treatment processes, and superior mechanical properties. Its high strength, resistance to creep, and thermal stability make it a reliable and long-lasting material for applications requiring prolonged exposure to extreme temperatures.

Q: How is alloy steel used in the production of gears and shafts?: Alloy steel is commonly used in the production of gears and shafts due to its excellent combination of strength, durability, and resistance to wear and corrosion. The alloying elements such as manganese, chromium, nickel, and molybdenum enhance the properties of the steel, making it suitable for high-stress applications. The use of alloy steel in gears and shafts ensures their ability to withstand heavy loads, transmit power efficiently, and maintain dimensional stability under extreme operating conditions, thus increasing the overall lifespan and performance of the components.

Q: What are the safety benefits of using special steel?: Several safety benefits can be obtained in various applications by using special steel. One of the key advantages lies in its superior strength and durability when compared to traditional steel. Special steel is often specifically designed to withstand extreme conditions, such as high temperatures or corrosive environments, making it highly suitable for industries like aerospace, automotive, and oil and gas. The enhanced strength of special steel allows for the construction of structures that are safer and more reliable. It can bear heavy loads, thus reducing the risk of structural failures or collapses. This is particularly crucial in industries where the utmost importance is placed on the safety of workers, equipment, and the general public. Resistance to corrosion is another safety benefit of special steel. Corrosion has the potential to weaken structures and compromise their safety. Special steel is frequently alloyed with elements like chromium, nickel, or molybdenum, which provide excellent resistance to corrosion. This makes it suitable for applications in marine environments, chemical processing plants, or any setting where exposure to moisture or chemicals is a concern. Special steel is also renowned for its ability to maintain its mechanical properties at high temperatures. This makes it an excellent choice for applications where resistance to heat is crucial, such as in the construction of fire-resistant structures or in the manufacturing of industrial ovens and furnaces. By utilizing special steel in these applications, the risk of structural failure or fire-related accidents can be significantly reduced. Furthermore, special steel can offer improved resistance to fatigue, which is of utmost importance in applications subject to cyclic loading or vibration. Fatigue failure can occur when a material experiences repeated stress over time, resulting in cracks and eventual failure. Special steel can be engineered to possess excellent fatigue properties, thereby reducing the likelihood of unexpected failures and enhancing the overall safety of structures or equipment. In conclusion, the safety benefits of using special steel encompass enhanced strength, durability, resistance to corrosion, resistance to heat, and resistance to fatigue. These properties establish special steel as a reliable choice for industries where safety is a primary concern, ensuring the protection of workers, equipment, and the general public.

Q: How is corrosion-resistant stainless tool steel used in the production of food processing equipment?: Corrosion-resistant stainless tool steel is used in the production of food processing equipment because it offers a high level of resistance against chemical reactions, rust, and staining caused by exposure to moisture and food acids. This type of steel helps ensure that the equipment remains durable, hygienic, and safe for food processing operations.

Q: How does special steel contribute to electrical conductivity?: Special steel, also referred to as electrical steel or silicon steel, plays a vital role in enhancing electrical conductivity by reducing electrical losses during the transmission and distribution of electrical power. It achieves this by diminishing eddy current losses and hysteresis losses that arise when an alternating current (AC) flows through a magnetic material. The chemical composition of special steel is a key factor in its high conductivity. It is alloyed with specific elements, such as silicon, which enhances its magnetic properties and decreases its electrical resistance. The addition of silicon increases the electrical resistivity of the steel, making it suitable for applications that require efficient electrical conduction with minimal energy loss. Additionally, special steel is manufactured with a carefully controlled grain structure, aligning the crystals in a specific orientation. This alignment, known as grain-oriented, enables the steel to exhibit superior magnetic properties and efficient electrical conduction. It also reduces magnetic losses when the magnetic field changes direction, further improving overall electrical conductivity. The exceptional properties of special steel make it an ideal choice for various electrical applications, including transformer cores, electric motors, generators, and other electromagnetic devices. Its high electrical conductivity ensures minimal energy loss during the transmission and distribution of electricity, resulting in more efficient and cost-effective electrical systems. In conclusion, special steel significantly contributes to electrical conductivity by minimizing electrical losses through its specific chemical composition and grain structure. Its low electrical resistance and superior magnetic properties make it an essential material for optimizing energy efficiency in electrical systems.

Send your message to us

*Email

*TEL

*Quantity

*Unit