• Special Steel Forged Steel 709M40 Round Steel Bar System 1
  • Special Steel Forged Steel 709M40 Round Steel Bar System 2
  • Special Steel Forged Steel 709M40 Round Steel Bar System 3
Special Steel Forged Steel 709M40 Round Steel Bar

Special Steel Forged Steel 709M40 Round Steel Bar

Ref Price:
get latest price
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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Specification

Type:
Carbon Steel,Spring Steel,Bearing Steel,Gear Steel,Deformed Steel,Stainless Steel,Alloy Steel
Shape:
Steel Coil,Steel Sheet,Steel Wire Rod,Steel Flat Bar,Steel Square Bar,Steel Angle,Steel Round Bar,Steel Billets
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Certification:
UL,ISO,SGS,BV,IBR,RoHS,CE,API,BSI

Product Information

1 Chemical Composition: 

C

Si

Mn

P

S

Cr

Mo

0.36-0.44

0.10-0.35

0.70-1.00

≤0.035

≤0.04 

0.90-1.50

0.20-0.35

2 Brief Introduction: 

Dimension

13-350mm

Length

2-13m or as per your request

Delivery condition

Hot rolled

Heat Treatment

Normalizing, Annealing, Quenching

Packing

Standard seaworthy packing or according to your requirements

3 Mechanical Property: 

Yield Strength (MPa)

≥417.1

Tensile Strength (MPa)

≥655.0

Elongation (%)

≥25.7

Hardness (HB)

≤197

Reduction in Area (%)

≥56.9

AKV (J)

≥54.5


Product Show

Special Steel Forged Steel 709M40 Round Steel Bar


Workshop Show

Special Steel Forged Steel 709M40 Round Steel Bar


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 heat-resistant steel used in high-temperature applications?
Heat-resistant steel is used in high-temperature applications due to its ability to withstand elevated temperatures without losing its structural integrity. This type of steel is commonly used in industries such as aerospace, power generation, and petrochemicals, where it is essential to maintain the strength and performance of components exposed to extreme heat. Heat-resistant steel is used in the construction of furnaces, boilers, heat exchangers, and other equipment that operate under high temperatures, ensuring their reliability and longevity even in challenging environments.
Q:How are tool steels used in the manufacturing of cutting tools?
Tool steels are widely used in the manufacturing of cutting tools due to their excellent hardness, wear resistance, and toughness properties. These steels are specifically designed to withstand high temperatures, intense pressures, and repetitive impacts during cutting operations. Tool steels are utilized to make various cutting tools such as drills, milling cutters, saw blades, and dies. They provide the necessary strength and durability required for cutting, shaping, and forming various materials including metals, plastics, and wood. Additionally, tool steels can be heat treated to further enhance their hardness and wear resistance, ensuring a longer lifespan and improved performance of cutting tools.
Q:How does special steel contribute to improving product safety in high-risk industries?
Special steel plays a crucial role in improving product safety in high-risk industries due to its unique properties and characteristics. Its exceptional strength, durability, and resistance to corrosion make it highly reliable and less prone to failure under extreme conditions. By using special steel in the manufacturing of critical components and structures, such as in aerospace, automotive, and oil and gas industries, it ensures enhanced safety and prevents potential accidents or catastrophic failures. Additionally, the strict quality control and certifications associated with special steel guarantee that it meets the industry's stringent safety standards, providing peace of mind to both manufacturers and end-users.
Q:What are the applications of special steel in the automotive supply chain?
Special steel has various applications in the automotive supply chain. It is widely used in the manufacturing of engine components, such as crankshafts, camshafts, and connecting rods, due to its high strength and resistance to wear. Special steel also finds application in the production of suspension and steering components, as well as gears and shafts, which require excellent toughness and durability. Moreover, it is utilized in the fabrication of safety-related parts like seat belt anchors and airbag systems, ensuring the necessary strength and reliability. Overall, special steel plays a crucial role in enhancing performance, safety, and efficiency in the automotive industry.
Q:Can special steel be used in the production of springs for watches?
Yes, special steel can be used in the production of springs for watches. Special steel, such as stainless steel or high carbon steel, is often preferred for watch springs due to its excellent strength, durability, and resistance to corrosion, ensuring reliable and long-lasting performance of the watch.
Q:How does special steel contribute to the power generation industry?
Special steel plays a crucial role in the power generation industry by providing the necessary strength, durability, and resistance to extreme temperatures and corrosive environments. It is used in the construction of turbines, generators, and other critical components, ensuring the efficient and reliable operation of power plants. Additionally, special steel's high heat resistance and excellent mechanical properties enable power plants to operate at higher temperatures, increasing energy efficiency and reducing emissions.
Q:How does special steel perform in cryogenic toughness?
Special steel has gained recognition for its outstanding performance in cryogenic toughness. Unlike regular steel, which significantly loses its toughness when exposed to extremely low temperatures, special steel is specifically designed to withstand such extreme conditions and maintain its toughness and ductility. The composition and microstructure of special steel are carefully engineered to ensure its high performance in cryogenic environments. Through a unique combination of alloying elements and heat treatment processes, special steel can resist brittle fracture and retain its strength even at temperatures as low as -196 degrees Celsius (-321 degrees Fahrenheit). The exceptional cryogenic toughness of special steel makes it an ideal choice for a range of applications, including the storage and transportation of liquefied natural gas (LNG), aerospace engineering, and medical equipment used in cryogenic medicine. It provides the necessary reliability and safety when subjected to extreme cold temperatures, ensuring the integrity and functionality of the materials and structures it is employed in. In conclusion, special steel's exceptional performance in cryogenic toughness distinguishes it from regular steel, making it the preferred choice for applications that demand reliable and durable materials in extremely low-temperature environments.
Q:What are the requirements for special steel used in chemical processing?
The requirements for special steel used in chemical processing are generally more stringent compared to regular steel due to the harsh and corrosive nature of the chemicals involved. Some of the key requirements for special steel in chemical processing include: 1. Corrosion resistance: Special steel used in chemical processing must exhibit high resistance to corrosion from acids, alkalis, and other corrosive chemicals. This is achieved by adding alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the surface of the steel, preventing it from reacting with the chemicals. 2. High temperature resistance: Chemical processing often involves high-temperature reactions. Therefore, special steel used in this industry must have excellent heat resistance to maintain its strength and structural integrity at elevated temperatures. This is achieved by adding elements like chromium, nickel, and tungsten, which help in maintaining the stability of the steel at high temperatures. 3. Mechanical strength: Special steel used in chemical processing should possess sufficient mechanical strength to withstand the pressures and loads encountered in the process equipment. This requirement is met by adding alloying elements such as manganese, silicon, and carbon, which enhance the steel's strength and toughness. 4. Weldability: Weldability is a crucial requirement for special steel used in chemical processing as it allows for easy fabrication and installation of process equipment. Special steel with good weldability ensures strong and reliable joints, which are essential for the safe and efficient operation of chemical plants. 5. Resistance to stress corrosion cracking: Stress corrosion cracking is a significant concern in chemical processing environments. Therefore, special steel used in this industry should have good resistance to stress corrosion cracking, which is achieved by carefully selecting the alloying elements and controlling the material's microstructure. 6. Cleanliness: Special steel used in chemical processing should be free from impurities and have a low content of harmful elements that could contaminate the process or react with the chemicals. This necessitates strict quality control measures during steel production to ensure the desired cleanliness and purity. Meeting these requirements ensures that special steel used in chemical processing can withstand the aggressive chemical environment, high temperatures, and mechanical stresses encountered in the industry, leading to safe and reliable operation of the process equipment.
Q:Can special steel be used in the solar panel manufacturing industry?
Yes, special steel can be used in the solar panel manufacturing industry. Special steel alloys, such as stainless steel or high-strength low-alloy steel, offer excellent corrosion resistance, durability, and structural support for solar panels. These properties make them suitable for various components like mounting structures, frames, and support brackets in solar panel systems. Additionally, special steel can also enhance the overall efficiency and longevity of solar panels by ensuring their stability and resistance to environmental factors.
Q:How does special steel contribute to the telecommunications equipment industry?
The telecommunications equipment industry greatly relies on special steel to support its complex infrastructure and advanced technologies. Special steel plays a critical role by providing the necessary strength, durability, and reliability. An important aspect of special steel is its ability to withstand extreme weather conditions and environmental factors. Telecommunications equipment, such as transmission towers, antennas, and satellites, often face harsh elements like strong winds, heavy rain, and earthquakes. Special steel, with its high tensile strength and resistance to corrosion, ensures the stability and longevity of the infrastructure, minimizing the risk of damage or failure. Additionally, special steel is used in the production of various components for telecommunications equipment. Connectors, cables, and electronic enclosures, for example, require materials with excellent electrical conductivity and heat dissipation properties. Special steel alloys, including stainless steel or nickel-based alloys, are utilized to meet these requirements, ensuring efficient signal transmission and preventing overheating issues. Furthermore, special steel is crucial for manufacturing high-quality tools and equipment used in the installation, maintenance, and repair of telecommunications networks. Specialized steel alloys, such as tool steel, provide exceptional hardness, toughness, and wear resistance, enabling the production of reliable and long-lasting tools. These tools are essential for professionals in the telecommunications industry as they allow for efficient and accurate installation and maintenance, ensuring uninterrupted connectivity for end-users. Moreover, as the telecommunications industry continues to advance, special steel is vital in supporting the deployment of advanced technologies like 5G networks and fiber-optic systems. These technologies require specialized components, such as waveguides, reflectors, and amplifiers, often made from special steel alloys to ensure optimal performance and durability. By providing the necessary materials for these cutting-edge technologies, special steel contributes to the expansion and enhancement of telecommunications infrastructure worldwide. In conclusion, special steel is indispensable to the telecommunications equipment industry due to its strength, durability, and reliability, which are crucial for infrastructure, components, tools, and advanced technologies. Its unique properties enable the industry to provide efficient and uninterrupted communication services to individuals and businesses globally.

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