Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar System 1

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar System 2

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar System 3

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar System 4

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

Detailed Information of Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

Name	Steel Round Bar
Shape	Round Bar/Square Bar/Flat Bar/Plate/Wire
Standard	GB/ASTM/SAE/AISI/DIN/JIS/EN/BS
Surface Treatment:	Black/Peeling/Polished/Machined
Delivery Condition:	Hot Rolled or Forged/Peeled or Black Surface
Test	SGS/UT 100% Elements Testing
Certificate:	ISO/Mill Certificate
Service:	24 hours online service /
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

Product Overviews of Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

Product Name	Typical Grades	Diameter(mm)	Standard Adopted
Carbon Steel	20 (1020/S20C/C22)
	40 (1040/S40C/C40)	Ø16-Ø300
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)
	GCr15 (52100/SUJ2/100Gr6)	Ø12-Ø250
	GCr9SiMn (A485-Gr.1/SUJ3)		GB/SAE/
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)		JIS/DIN
	40Cr (5140/SCr440/41Cr4)	Ø12-Ø250
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo
	20CrMn(5115/SMnC420/20MnCr5)	Ø16-Ø600
	20CrNiMo(8620/SNCM220/20CrMiMo2)

Company Introduction of Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

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.

Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

After-sale service	l CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business.
	l For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours

Advantages	l Industry experience over 20 years.
	l Shipment of goods -More than 70 countries worldwide.
	l The most convenient transport and prompt delivery.
	l Competitive price with best service.
	l High technical production line with top quality products.
	l High reputation based on best quality products.

Packaging & Delivery of Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

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Special Steel 8620H 40CrNiMoA Iron Round Steel Bar

FAQ:

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 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.
Why choose us?
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
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: How does special steel contribute to the telecommunications aftermarket industry?: The telecommunications aftermarket industry heavily relies on special steel to manufacture and maintain telecommunications equipment. This type of steel is specifically designed to possess exceptional properties, such as high strength, corrosion resistance, and durability, which are crucial for the demanding conditions of the telecommunications sector. One of the main contributions of special steel to the telecommunications aftermarket industry is its use in the production of communication towers and transmission structures. These structures must endure extreme weather conditions, such as strong winds and heavy loads, while providing reliable support for antennas and other equipment. Special steel meets these requirements, ensuring the longevity and stability of communication towers. Moreover, special steel is extensively used in manufacturing cables and wires for telecommunications systems. These cables must transmit signals without any loss or interference, and the unique properties of special steel, such as high electrical conductivity and low resistance, make it an ideal material for this purpose. The use of special steel in cables helps maintain the quality and efficiency of telecommunications networks. Another significant contribution of special steel is its role in producing equipment enclosures and cabinets. These enclosures protect sensitive electronic components from environmental factors, including moisture, dust, and extreme temperatures. Special steel, with its corrosion-resistant properties, ensures the longevity and reliability of these enclosures, safeguarding the valuable equipment inside. Furthermore, special steel is also utilized in manufacturing various components and accessories used in the telecommunications aftermarket industry, such as connectors, brackets, and hardware. These components are essential for assembling and maintaining telecommunications equipment. Special steel's high strength and durability make it the preferred choice for these components, guaranteeing their long-lasting performance. In conclusion, special steel significantly contributes to the telecommunications aftermarket industry by providing the necessary materials for manufacturing and maintaining telecommunications equipment. Its exceptional properties, including high strength, corrosion resistance, and durability, make it an ideal choice for communication towers, cables, enclosures, and various components. By utilizing special steel, the telecommunications industry ensures the reliability, efficiency, and longevity of its equipment, ultimately benefiting both service providers and end-users.

Q: How does special steel withstand high temperatures?: Special steel is able to withstand high temperatures due to its unique composition and manufacturing process. Firstly, special steel is made from alloys that contain elements such as chromium, nickel, and molybdenum, which provide increased resistance to heat. These elements form a protective oxide layer on the surface of the steel, preventing oxidation and corrosion at high temperatures. Furthermore, special steel goes through specific heat treatment processes, such as quenching and tempering, which enhance its strength and toughness. These processes involve heating the steel to high temperatures and then rapidly cooling it, followed by reheating and slow cooling. This controlled cooling and heating process modifies the steel's microstructure, making it more resistant to thermal stress and deformation. Additionally, special steel is often designed to have a high melting point, which allows it to maintain its structural integrity even in extreme temperatures. The specific combination of elements and their ratios in the alloy contribute to the steel's ability to resist softening or melting when exposed to high heat. Moreover, special steel may also incorporate specialized coatings or treatments that further enhance its thermal resistance. These coatings can provide an extra layer of protection against heat, oxidation, and corrosion, making the steel even more durable and long-lasting in high-temperature environments. In summary, special steel withstands high temperatures by virtue of its unique alloy composition, heat treatment processes, high melting point, and additional protective coatings. These factors work together to enhance the steel's ability to resist thermal stress, deformation, oxidation, and corrosion, making it a reliable and durable material for applications in extreme heat conditions.

Q: Can special steel be used in the automotive racing industry?: Yes, special steel can be used in the automotive racing industry. Special steel alloys, like high-strength steels or heat-resistant steels, are commonly utilized to enhance performance, durability, and safety in racing vehicles. These specialized steels offer superior strength-to-weight ratios, improved mechanical properties, and resistance to extreme temperatures, making them ideal for various automotive racing applications such as chassis, suspension components, engine parts, and exhaust systems.

Q: How does special steel resist thermal fatigue?: Special steel resists thermal fatigue due to its unique composition and structure. It is designed to have excellent thermal conductivity, allowing it to quickly dissipate heat and prevent the formation of thermal gradients within the material. This reduces the likelihood of cracking, deformation, or failure when exposed to rapid and repeated temperature fluctuations. Additionally, special steel undergoes specific heat treatment processes that enhance its resistance to thermal fatigue by improving its strength, toughness, and ability to withstand thermal shocks.

Q: How is special steel used in the manufacturing of tools and dies?: Special steel is used in the manufacturing of tools and dies due to its exceptional properties, such as high strength, hardness, and wear resistance. These steels can withstand extreme temperatures and pressures during the forming, cutting, and shaping processes. They also have excellent dimensional stability, ensuring precise and accurate tooling. Special steel's unique composition and heat treatment capabilities allow for the production of durable and long-lasting tools and dies, which are essential for various industries like automotive, aerospace, and manufacturing.

Q: How is special steel used in the construction industry?: Special steel is used in the construction industry for various purposes such as reinforcing concrete and providing structural support in high-rise buildings, bridges, and infrastructure projects. It is also used for manufacturing construction equipment, tools, and machinery due to its exceptional strength, durability, and resistance to corrosion.

Q: What are the different casting methods used for special steel?: For special steel, various casting methods are commonly utilized, depending on the specific requirements and needs of the application. These methods encompass investment casting, sand casting, continuous casting, and centrifugal casting. 1. Investment casting: To create the desired part, a wax pattern is made and coated with a ceramic shell. The wax is melted away, leaving a hollow shell that is then filled with molten steel. After solidification, the ceramic shell is broken, yielding the final part. Investment casting enables the production of accurate and intricate shapes, making it ideal for high-quality and precise special steel components. 2. Sand casting: Among the oldest and most prevalent casting techniques, sand casting involves forming a mold using a mixture of sand and a binder like clay. The mold is shaped around a pattern of the desired part and molten steel is poured into it. Upon cooling and solidification, the casting is complete. Sand casting is versatile and cost-effective, suitable for producing large and heavy special steel components. 3. Continuous casting: This method is commonly employed for manufacturing long steel products such as bars, rods, and billets. Molten steel is continuously poured into a water-cooled mold, which solidifies the outer surface. The solidified steel is then continuously withdrawn as more molten steel is poured in. Continuous casting ensures high-quality steel with a consistent cross-section, devoid of defects. 4. Centrifugal casting: In this technique, molten steel is poured into a rotating mold. The centrifugal force drives the molten steel towards the outer walls, resulting in a dense and compact casting with enhanced mechanical properties. Centrifugal casting is particularly suitable for producing cylindrical or tubular special steel components such as pipes and rings. In summary, the selection of a casting method for special steel hinges on factors like part complexity, required quality and accuracy, component size and shape, and production volume. Each method has its advantages and limitations, necessitating careful consideration to determine the most appropriate casting technique for a specific application.

Q: How does special steel contribute to reducing production costs?: Special steel contributes to reducing production costs through several factors. Firstly, special steel is known for its high strength and durability, which allows for the production of lighter and more efficient machinery and equipment. This reduces material usage and transportation costs. Secondly, special steel's superior heat resistance and wear resistance properties result in longer tool life and reduced downtime for tool replacement, thereby minimizing production interruptions and maintenance costs. Additionally, the exceptional machinability of special steel ensures more efficient and precise manufacturing processes, reducing waste and increasing productivity. Overall, the use of special steel helps optimize production efficiency, minimize expenses, and ultimately contribute to cost reduction.

Q: How does special steel contribute to the defense aftermarket industry?: Special steel plays a crucial role in the defense aftermarket industry by providing high-quality materials that are essential for the production of various defense equipment and components. The unique properties of special steel, such as its exceptional strength, durability, and resistance to corrosion and extreme temperatures, make it a preferred choice for manufacturing military vehicles, aircraft, weapons, and other defense systems. One of the key ways in which special steel contributes to the defense aftermarket industry is through its use in armor and ballistic protection. Special steel alloys are utilized to create armor plates and panels that can withstand high-velocity impacts and protect military personnel and vehicles from enemy fire. These materials offer enhanced protection levels, reducing the risk of casualties and damage during combat. Moreover, special steel is also employed in the production of aerospace components. The defense industry heavily relies on aircraft for various operations, including reconnaissance, surveillance, and combat. Special steel alloys are used to manufacture critical components such as landing gear, engine parts, and structural elements, ensuring the safety, reliability, and performance of military aircraft. Furthermore, special steel's resistance to corrosion and extreme conditions makes it suitable for the construction of naval vessels and submarines. These naval assets operate in harsh marine environments, exposed to saltwater, extreme temperatures, and constant mechanical stress. Special steel alloys with high-strength properties and corrosion resistance are utilized in the construction of ship hulls, propeller shafts, and other critical components, ensuring longevity and operational effectiveness. In addition to its direct applications, special steel also contributes to the defense aftermarket industry through its role in the supply chain. The production of defense equipment and components often requires highly specialized machinery and tools, which are made from special steel. The availability of these materials is essential for maintaining a robust defense industry, enabling the efficient production and maintenance of defense systems. Overall, special steel plays a vital role in the defense aftermarket industry by providing the necessary materials for the production of high-performance, reliable, and durable defense equipment. Its unique properties contribute to the safety, effectiveness, and longevity of military vehicles, aircraft, weapons, and naval vessels, ultimately enhancing the capabilities of defense forces around the world.

Q: What are the different methods for improving the wear resistance of special steel?: There are several methods for improving the wear resistance of special steel. Some common techniques include heat treatment processes such as quenching and tempering, which can increase the hardness and toughness of the steel. Another method is surface coating, where a thin layer of a wear-resistant material like carbides or ceramics is applied to the steel surface. Additionally, alloying the steel with elements like chromium, vanadium, or tungsten can enhance its wear resistance properties. Finally, precision machining and grinding can be used to achieve a smoother surface finish, reducing friction and wear.

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