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 is the difference between a rough turned and a hot rolled steel round bar?: A rough turned steel round bar and a hot rolled steel round bar differ in their manufacturing processes and resulting properties. A rough turned steel round bar is produced by first heating a steel billet or ingot to a high temperature and then subjecting it to rough machining processes. The rough machining involves removing excess material from the surface of the bar to achieve a desired size and shape. This process results in a slightly smoother surface compared to the hot rolled bar, but it may still have some minor imperfections. Rough turned bars are often used in applications where a smoother surface finish is required, such as in machining operations. On the other hand, a hot rolled steel round bar is manufactured by heating a steel billet or ingot to extremely high temperatures and then passing it through a series of rolling mills. The hot rolling process involves reducing the thickness and increasing the length of the steel bar by compressing it between a set of rotating rolls. As a result, hot rolled bars have a rough, scaled surface with variations in diameter along their length. This textured surface provides excellent adherence for paint, coatings, or further processing. Hot rolled bars are commonly used in construction, manufacturing, and structural applications where mechanical properties such as strength and durability are important. In summary, the main difference between a rough turned and a hot rolled steel round bar lies in their manufacturing processes and surface finish. Rough turned bars undergo rough machining to achieve a smoother surface, while hot rolled bars are formed through high-temperature rolling, resulting in a rough, scaled surface. The choice between these two types of bars depends on the specific application and the desired properties, such as surface finish, strength, and adherence.

Q: What are the different heat treatment processes for steel round bars?: There are several heat treatment processes for steel round bars, including annealing, normalizing, quenching, tempering, and hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it to relieve internal stresses and improve its machinability. Normalizing is a similar process, but the cooling is done in still air to achieve a more uniform structure. Quenching involves rapidly cooling the steel from a high temperature to increase its hardness, while tempering is a subsequent process that reduces the brittleness caused by quenching through controlled reheating. Hardening is a process that involves heating the steel to a high temperature and then rapidly cooling it to achieve maximum hardness.

Q: What are the different marking methods for steel round bars?: The different marking methods for steel round bars include stamping, engraving, etching, laser marking, and inkjet printing. These methods are used to imprint important information such as the grade, size, heat number, manufacturer's logo, and other specifications on the surface of the round bars.

Q: The problem of dowel bars on concrete pavements?: The left and right half of the casting, the middle of the set is a longitudinal pull rod, tie rod settings and your panel thickness and plate width, length of the boardTo Portland cement concrete surface layer as an example: when the plate is 3M, the thickness of the surface layer is 200-250mm, the rod Phi 14 * 700mm * 900mm rebar length and spacing from the lateral transverse joint distance not less than 10mm (mean distance is a piece of plate length is 4 meters to the two plates the net is not small 100mm).

Q: Can steel round bars be used in the production of packaging equipment?: Steel round bars are indeed a versatile option for the production of packaging equipment. Their exceptional strength and durability make them highly favored in various industries. When it comes to packaging equipment, these round bars serve multiple purposes, such as offering structural support, reinforcement, or acting as components in the machinery's moving parts. The steel's impressive hardness and resistance to wear and tear make it ideal for handling heavy loads and ensuring uninterrupted operation. Moreover, steel round bars can be easily machined, welded, or modified to precisely meet the specific requirements of the packaging equipment. All in all, steel round bars are a dependable and widely utilized material in the manufacturing of packaging equipment.

Q: Can steel round bars be used for making springs or suspension components?: Yes, steel round bars can be used for making springs or suspension components. Steel is a commonly used material for these applications due to its high strength and durability. The round bar shape allows for easy fabrication and customization according to the specific requirements of the springs or suspension components.

Q: How do steel round bars compare to rubber round bars?: Steel round bars and rubber round bars have different properties and applications. Steel round bars are known for their strength, durability, and resistance to high temperatures and corrosion. They are commonly used in construction, manufacturing, and engineering projects that require structural support or reinforcement. On the other hand, rubber round bars are known for their flexibility, shock absorption, and noise reduction properties. They are often used in applications such as automotive parts, conveyor belts, and vibration isolation systems. Overall, the choice between steel and rubber round bars depends on the specific requirements of the application and the desired properties needed.

Q: What is galvanized round bar?: A cylindrical bar of iron or steel bar that crosses a layer of zinc on its surface.

Q: How are steel round bars measured and specified?: The diameter is utilized to measure and specify steel round bars. Typically, the diameter of a round bar is measured in millimeters or inches. The measurement is taken at the widest point of the circular cross-section. When it comes to specification, steel round bars are commonly specified by their diameter and length. For instance, a steel round bar can be specified as "25mm diameter x 3 meters length". This indicates that the bar has a diameter of 25mm and a length of 3 meters. Moreover, steel round bars can also be specified based on their tolerance, surface finish, and grade. Tolerance refers to the allowable deviation from the specified diameter. Surface finish pertains to the quality of the bar's surface, which can vary from rough to smooth. Grade signifies the quality and composition of the steel utilized to produce the round bar, such as mild steel, carbon steel, or alloy steel. Accurate measurement and specification of steel round bars are crucial to ensure that they meet the necessary dimensions and properties for a specific application.

Q: What are the advantages of using alloy steel round bars?: There are several advantages of using alloy steel round bars. Firstly, alloy steel round bars offer superior strength and durability compared to regular steel bars. This makes them ideal for applications where high strength and toughness are required, such as in construction, automotive, and aerospace industries. The alloying elements in these bars enhance their mechanical properties, making them more resistant to wear, impact, and corrosion. Additionally, alloy steel round bars have excellent heat resistance. They can withstand high temperatures without losing their strength, making them suitable for use in high-temperature environments like furnaces, boilers, and heat exchangers. This property allows for extended service life and reduces the need for frequent replacements. Another advantage of using alloy steel round bars is their versatility. These bars can be easily machined, forged, or welded, allowing for flexibility in design and manufacturing processes. They can be customized to meet specific requirements, making them suitable for various applications. Furthermore, alloy steel round bars have good dimensional stability. They maintain their shape and size even under extreme conditions, ensuring precise and accurate performance. This property is particularly important in applications where tight tolerances are required, such as in precision engineering and manufacturing industries. Lastly, alloy steel round bars are cost-effective in the long run. Although they may have a higher initial cost compared to regular steel bars, their enhanced properties and extended service life result in reduced maintenance and replacement costs. This makes them a more economical choice in the long term. In conclusion, the advantages of using alloy steel round bars include superior strength and durability, excellent heat resistance, versatility in machining and fabrication, good dimensional stability, and long-term cost-effectiveness. These benefits make them a preferred choice in various industries where high-performance materials are required.

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