Forged Steel Round Bar SAE8620 /C45 /42CrMo4

Forged Steel Round Bar SAE8620 /C45 /42CrMo4 System 1

Forged Steel Round Bar SAE8620 /C45 /42CrMo4 System 2

Forged Steel Round Bar SAE8620 /C45 /42CrMo4 System 3

Forged Steel Round Bar SAE8620 /C45 /42CrMo4 System 4

Forged Steel Round Bar SAE8620 /C45 /42CrMo4

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Forged Steel Round Bar SAE8620 /C45 /42CrMo4

Specifications

SAE8620,forged steel round bar,size:90mm to 800mm,Rough turned,Normalized,Annealed,
Quenched and Tempered.

Forged steel round bar

Steel grade:

Carbon steel:

Chinese Standard:20#,25#,35#,45#,50#,60#;

Japan Standard:S20C,S25C,S35C,S45C,S55C,S60C;

US Standard:AISI1020,AISI1040,AISI1045,AISI1050;

Europe Standard:CK15,C.22,C45,CK45,C60,CK60;C45E;

Alloy Steel:

Chinese Standad:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E,Q390;42CrMo,

20CrMo,38CrMoAl,40CrNiMo;48CrMo,5CrNiMo;

Janpan Standard:SCM415,SCM420,SCM440,SNCM439,SNCM220; SACM645

USA Standard:SAE4140,SAE4130,SAE9840,SAE4340,AISI4145H,SAE4150,SAE8620,

Europe Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,

S355J2G3,ASTM A105,ST52-3,16MnCr5,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511,

56NiCrMoV7,18NiCrMo5,30CrNiMo8,34NiCrMo16,41CrAlNi7,34CrAlNi7,B7,B16,F11,

F12,F22,F5,F9,51Cr4.

Tool Steel:1.2714,H13,H11,P20,SKD61;

Delivery condition:Forged+Normalized/Annealed+RoughTurned

+Quenched and Tempred;

Also can supply the finish products according the drawings;

Length:3 meters or 4 meters and up or fix length according the actually needs

Size:90mm-800mm

Diameter tolerance:-0/+6mm Black surface -0/+2mm Rough Turned

Steel ingot:EAF+LF+VD;

Also use ESR Process if needed;

Ultrasonic Test:According GB/T6401-91 Class 1,Class 2,Class 3;

And GB/T6402-2008 Class 3,Class 2;

And Sep1921 Class C/c,D/d,E/e, Or ASTM A388 Standards;

Grain Size:Better than 6;

Purity, non-metallic inclusions, mechanical properties, hardness According China or EU

Standard;

Quantity:70000 Tons per year

Including Forged round bar 55000 Tons,

Forged square bars 12000Tons,

Other forgings like forged step shaft,forged hollow bars,forged rollers 3000 Tons;

Forged Steel Round Bar SAE8620 /C45 /42CrMo4

Q:What are the advantages of using carbon-manganese alloy steel round bars?: Carbon-manganese alloy steel round bars offer several advantages. Firstly, they possess excellent strength and durability, making them ideal for applications requiring high mechanical properties. Additionally, the presence of manganese enhances the hardenability of the steel, allowing it to be easily heat-treated to achieve desired hardness levels. Moreover, carbon-manganese alloy steel round bars exhibit good weldability and machinability, making them versatile and easy to work with. Lastly, they provide cost advantages as they are relatively affordable compared to other high-strength steel options.

Q:What are the different surface treatments available for alloy steel round bars?: Alloy steel round bars can be subjected to various surface treatments to meet specific requirements. Some commonly used treatments include: 1. Hot-dip galvanizing: Steel bars are immersed in molten zinc, creating a protective coating that prevents rust and corrosion. 2. Electrogalvanizing: Zinc is applied to the surface of the bars using an electric current, providing a layer of protection. 3. Nitriding: Steel bars are exposed to a nitrogen-rich environment at high temperatures, resulting in a durable, wear-resistant layer that enhances strength and durability. 4. Chrome plating: A thin layer of chromium is applied to the bars, offering excellent corrosion resistance and improving the bars' aesthetic appearance. 5. Powder coating: Dry powder is applied to the bars and then cured through heating, creating a durable finish that protects against corrosion, chemicals, and UV rays. 6. Polishing: The surface of the bars is mechanically smoothed and polished, enhancing visual appeal and improving corrosion resistance. These treatments are just a few examples of the many available options for alloy steel round bars. The choice of treatment depends on specific application requirements, such as desired appearance, corrosion resistance, and wear resistance.

Q:What is the difference between seamless and welded steel round bars?: The manufacturing process and resulting characteristics distinguish seamless and welded steel round bars. Seamless bars undergo a process where a solid billet of steel is pierced to form a hollow tube. This tube is then elongated and further processed to achieve the desired dimensions and surface finish. The seamless manufacturing process guarantees a bar without any welds or joints along its length. Consequently, seamless steel round bars possess a uniform composition and structure throughout, ensuring exceptional strength and reliability. They are particularly favored for applications involving high pressure or high temperatures, as they display superior resistance to internal and external pressure. In contrast, welded steel round bars are produced by combining two or more steel pieces through welding techniques. This involves heating the ends of the steel pieces and fusing them together using various welding methods, such as arc welding, resistance welding, or fusion welding. The welding process introduces a weld seam along the length of the bar, which has the potential to impact its structural integrity and mechanical properties. Welded steel round bars may exhibit slightly lower strength and toughness compared to seamless bars due to the presence of the weld seam, which can create stress concentrations. Nonetheless, they are generally more cost-effective and readily available in a wide range of sizes and grades. To summarize, the primary distinction between seamless and welded steel round bars lies in their manufacturing process and resulting characteristics. Seamless bars are created through the piercing of a solid billet, ensuring a uniform composition and strength throughout, which makes them suitable for high-pressure and high-temperature applications. On the other hand, welded bars are formed by joining multiple steel pieces through welding, introducing a weld seam that may slightly affect their strength and toughness. Welded bars are often more cost-effective and available in various sizes and grades.

Q:Can steel round bars be used in the production of industrial machinery?: Yes, steel round bars can be used in the production of industrial machinery. Steel round bars are commonly used in the manufacturing of various components and parts for industrial machinery due to their strength, durability, and versatility. These bars can be used to create shafts, gears, rollers, and other critical components that are essential for the proper functioning of industrial machinery. The high tensile strength of steel round bars allows them to withstand heavy loads and resist deformation, making them ideal for use in industrial applications. Additionally, steel round bars can be easily machined, welded, and formed into different shapes and sizes, making them highly suitable for customization according to specific machinery requirements.

Q:What are the advantages of using nickel-zinc alloy steel round bars?: There are several advantages of using nickel-zinc alloy steel round bars. Firstly, nickel-zinc alloy steel has a high strength-to-weight ratio, making it an excellent choice for applications where strength and durability are important. This allows for the construction of lighter structures without sacrificing strength or performance. Secondly, nickel-zinc alloy steel round bars have superior corrosion resistance compared to other types of steel. This makes them ideal for use in harsh environments where exposure to moisture, chemicals, or extreme temperatures may occur. The corrosion resistance properties of nickel-zinc alloy steel also contribute to its longevity and ability to withstand the test of time. Additionally, nickel-zinc alloy steel has excellent weldability and machinability, making it easy to work with and manipulate into various shapes and forms. This versatility allows for the creation of complex designs and structures, making it a popular choice in the construction and manufacturing industries. Furthermore, nickel-zinc alloy steel round bars have good thermal and electrical conductivity properties. This makes them suitable for applications that require the efficient transfer of heat or electricity, such as in the production of electrical components or heat exchangers. Lastly, nickel-zinc alloy steel is known for its high resistance to fatigue and wear, making it suitable for applications that involve repetitive or high-stress operations. This ensures that structures or components made from nickel-zinc alloy steel will maintain their performance and integrity over an extended period of time. In summary, the advantages of using nickel-zinc alloy steel round bars include high strength-to-weight ratio, superior corrosion resistance, excellent weldability and machinability, good thermal and electrical conductivity, and high resistance to fatigue and wear. These properties make nickel-zinc alloy steel a reliable and versatile material for a wide range of applications.

Q:Can steel round bars be annealed?: Steel round bars can indeed undergo annealing, a heat treatment process in which the steel is heated to a specific temperature and gradually cooled. This procedure serves to alleviate internal stresses, enhance ductility, and improve the steel's machinability. Annealing can be employed on various steel products, including round bars, to render them more pliable, easier to work with, and minimize the likelihood of cracking or failure in subsequent manufacturing procedures.

Q:What are steel round bars?: Steel round bars are long, cylindrical metal bars that are made from steel. They are commonly used in various industries such as construction, manufacturing, and engineering. These bars are known for their strength, durability, and versatility. Steel round bars are typically produced through a hot rolling process, where a solid steel billet is heated and passed through a series of rollers to achieve the desired shape and size. They come in a range of sizes and grades, with different properties depending on the specific application. These bars are often used as structural components in buildings, as shafts in machinery, as support bars in concrete structures, and as raw material for the production of other steel products. Due to their high tensile strength and resistance to corrosion, steel round bars are widely preferred in the construction and manufacturing sectors.

Q:20 round bars are of several grades: 20 round bars may be grade two steel.

Q:Are steel round bars suitable for bearing applications?: Yes, steel round bars are suitable for bearing applications. They offer high strength, durability, and excellent load-bearing capabilities, making them commonly used in various industries such as automotive, construction, and machinery.

Q:Can steel round bars be used in the production of musical instruments?: Yes, steel round bars can be used in the production of musical instruments. They are commonly used to make components such as keys, rods, and supports in various instruments such as pianos, xylophones, and various percussion instruments.

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