• Hot Rolled Alloy Structural Steel Round Bar SCM435 System 1
  • Hot Rolled Alloy Structural Steel Round Bar SCM435 System 2
  • Hot Rolled Alloy Structural Steel Round Bar SCM435 System 3
  • Hot Rolled Alloy Structural Steel Round Bar SCM435 System 4
  • Hot Rolled Alloy Structural Steel Round Bar SCM435 System 5
  • Hot Rolled Alloy Structural Steel Round Bar SCM435 System 6
Hot Rolled Alloy Structural Steel Round Bar SCM435

Hot Rolled Alloy Structural Steel Round Bar SCM435

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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Hot Rolled Alloy Structural Steel Round Bar SCM435

Products Description 


Material:

30CrMoV, 4135, SCM435, 34CrMo4, 1.7220

Diameter:

10mm-700mm

Length:

3000mm-12000mm Straightness: 3mm/M max

Process:

EAF + LF + VD + Forged + Heat Treatment (optional)

Delivery condition:

Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)

Delivery Time:

30-45 days

MOQ:

1 tons

Heat treatment:

Normalized / Annealed / Quenched / tempered

Technical Data:

According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

Test:

Ultrasonic test according to SEP 1921-84 G3 C/c

Marking:

Grade, heat NO. length will be stamped one each bar with required color

Payment:

30% advance by T\T, the balance against B/L

Application:

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
















Products Show 

 


Product Overviews 

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300

 

 

GB/SAE/JIS/DIN

 

40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)

 

Cr-Mo Steel

20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel20CrNiMoØ16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)


Application 

Carbon Steel

 Mold bottom,   Plastic mold,   Construction machinery parts

 Automobile parts,   Security grills,   Screens,  Construction

 Bearing Steel  Aerospace,   Navigation,   Nuclear energy,   Chemical industry

 Electronic information,   Petrochemical,   Instrument and meter

 Transportation 

 Cr-Mo Steel  Mechanism & Fasteners gear,    Stressed components for vehicles 

 Engines and machines,    Parts of larger cross-section

 

Gear Steel

All kinds of gears,   Statically and dynamically stressed component for vehicles

Engines and machine,   Larger cross-section parts,   Crankshafts 


Work Shop 

 Hot Rolled Alloy Structural Steel Round Bar SCM435


Company Information 

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

 


FAQ

1, Your advantages?

     professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

      SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3,  Factory or Trading Company?

      CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

    30% TT as deposit and 70% before delivery.

    Irrevocable L/C at sight.

5, Trading Terms?

    EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

     CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

     For any problem, please kindly contact us at any your convenient time.

We'll reply you in our first priority within 24 hours.


Packaging & Delivery

1, Packaging: seaworthy package or as required 

2, Delivery: 35-45 days or based on quantity


Q: What is the typical tolerance for diameter and length in steel round bars?
The typical tolerance for diameter in steel round bars is usually +/- 0.005 inches, while the tolerance for length is typically +/- 0.125 inches.
Q: Can steel round bars be used for valve stem applications?
Yes, steel round bars can be used for valve stem applications. Steel round bars are commonly used in various industrial applications due to their high strength and durability. In valve stem applications, steel round bars are often used to provide stability and structural support to the valve stem, ensuring smooth operation and long-term performance. Additionally, steel round bars can be easily machined and fabricated to meet specific requirements, making them a versatile choice for valve stem applications.
Q: How are steel round bars used in the construction of high-rise buildings?
Due to their strength, durability, and versatility, steel round bars are commonly utilized in the construction of high-rise buildings. Carbon steel is typically used to manufacture these bars because it possesses excellent mechanical properties and can endure high loads and pressures. In reinforced concrete structures for high-rise buildings, steel round bars are primarily employed. They serve as reinforcement in concrete beams, columns, and slabs. By embedding the bars in the concrete, the overall structure gains added strength and stiffness. One of the main benefits of utilizing steel round bars is their ability to withstand tension forces. Concrete is strong in compression but weak in tension. Therefore, the steel bars act as tension reinforcement, preventing the concrete from cracking or failing when subjected to tension loads. This significantly improves the building's structural integrity and overall safety. Moreover, steel round bars offer easy bending, shaping, and welding, allowing for flexible design and construction options. They can be customized to specific lengths and diameters to meet the requirements of the building project. This adaptability makes them ideal for constructing various structural elements, like beams and columns, which must be precisely engineered to support the weight and stresses of a high-rise building. Furthermore, steel round bars exhibit excellent resistance to corrosion, which proves crucial when constructing high-rise buildings exposed to various environmental elements. The steel's corrosion-resistant properties ensure the structure's long-term durability and lifespan. In conclusion, steel round bars are essential in the construction of high-rise buildings as they provide strength, durability, and flexibility to reinforced concrete structures. They enhance the overall structural integrity, safety, and longevity of the building, making them a crucial component in modern construction practices.
Q: What is the difference between a centerless ground and a precision ground steel round bar?
The manufacturing process and resulting quality of the finished product distinguish a centerless ground steel round bar from a precision ground one. The centerless ground steel round bar is produced through a machining technique known as centerless grinding. This involves placing the steel bar between two grinding wheels, one rotating rapidly and the other remaining stationary. The rotating wheel removes material from the bar's surface, resulting in a smooth and uniformly-sized round shape. Centerless grinding is renowned for its ability to achieve bars with precise tolerances and excellent surface finish. Contrarily, the precision ground steel round bar is manufactured using a distinct process called precision grinding. In precision grinding, the steel bar is firmly held in a chuck or fixture and rotated against a grinding wheel. The grinding wheel eliminates material from the bar's surface, yielding an accurate round shape with tight tolerances. Precision grinding is commonly employed when a higher level of accuracy is necessary, particularly in applications where the bar will function as a critical component in machinery or tools. In conclusion, both centerless ground and precision ground steel round bars offer exceptional dimensional accuracy and surface finish. However, centerless grinding proves to be a more efficient and cost-effective method for producing large quantities of round bars with consistent quality, while precision grinding is preferred for applications that demand the utmost level of dimensional accuracy and surface finish.
Q: Can steel round bars be machined using CNC equipment?
Yes, steel round bars can be machined using CNC (Computer Numerical Control) equipment. CNC machines are capable of performing a wide range of operations on various materials, including steel round bars. These machines use computer programs to control the movement of the cutting tools, allowing for precise and accurate machining of the steel bars. CNC equipment can perform operations such as turning, milling, drilling, and threading on steel round bars, resulting in the desired shape, dimensions, and surface finish. Furthermore, CNC machines offer high repeatability, consistency, and efficiency, making them an ideal choice for machining steel round bars in industries such as automotive, aerospace, construction, and manufacturing.
Q: Are steel round bars available in custom lengths?
Custom lengths of steel round bars are indeed obtainable. While steel round bars are usually produced in standard lengths, numerous suppliers provide the possibility of tailoring them to specific lengths based on customer demands. This grants increased adaptability for various applications necessitating precise lengths. Whether shorter or longer steel round bars are needed, individuals can reach out to a steel supplier or fabricator for assistance in acquiring custom lengths that align with their project's specifications.
Q: Which is stronger, steel pipe or round steel? Which is good at bending?
Of resistance to shearing, of course, of high round steel, generally used with steel tubes (light weight and material saving) for transmitting torque
Q: What is the composition of steel round bars?
Steel round bars are typically composed of iron and carbon, with small amounts of other elements such as manganese, silicon, and sulfur. The exact composition can vary depending on the specific grade and intended use of the steel.
Q: What are the advantages of using free-cutting steel round bars?
There are several advantages of using free-cutting steel round bars. Firstly, free-cutting steel round bars are known for their excellent machinability. They are specifically designed to be easily machined, allowing for smooth and efficient cutting, drilling, and shaping processes. This makes them ideal for applications where precision and intricate detailing are required, such as in the manufacturing of automotive components, machinery parts, and precision instruments. Secondly, free-cutting steel round bars offer improved productivity and reduced manufacturing costs. The enhanced machinability of these bars significantly reduces the time and effort required to machine them, resulting in higher production rates and increased efficiency. Additionally, the reduced wear and tear on cutting tools leads to longer tool life, reducing tool replacement costs and overall manufacturing expenses. Furthermore, free-cutting steel round bars exhibit excellent chip control. During machining, the chips produced can affect the surface finish and dimensional accuracy of the final product. Free-cutting steel round bars are specifically formulated to produce small, manageable chips that are easily expelled from the cutting zone. This not only improves the quality of the machined parts but also minimizes the risk of chip clogging or chip-related issues. Another advantage of using free-cutting steel round bars is their superior surface finish. These bars are often produced with a fine grain structure and low levels of impurities, resulting in a smooth and visually appealing surface finish. This is especially important for applications where aesthetics and appearance play a significant role, such as in architectural designs or decorative purposes. Lastly, free-cutting steel round bars offer excellent mechanical properties. They are typically manufactured with controlled chemical compositions and heat treatments, ensuring consistent and reliable mechanical performance. This makes them suitable for demanding applications that require high strength, toughness, and durability. In conclusion, the advantages of using free-cutting steel round bars include excellent machinability, improved productivity, reduced manufacturing costs, superior chip control, enhanced surface finish, and reliable mechanical properties. These benefits make free-cutting steel round bars a preferred choice in various industries and applications.
Q: How are steel round bars used in the construction of bridges and buildings?
Due to their strength, durability, and versatility, steel round bars find wide usage in the construction of bridges and buildings. Typically made of carbon steel and possessing a circular cross-section, these bars are ideal for structural applications. In bridge construction, steel round bars are commonly employed to reinforce concrete structures. They are frequently embedded within concrete beams, columns, and slabs to enhance their load-bearing capacity and resist bending and shearing forces. Strategically placed in the concrete, these bars provide tensile strength to complement the compressive strength of the concrete. This reinforcement ensures that the bridge can endure heavy loads and traffic while maintaining its structural integrity. Similarly, in building construction, steel round bars play a crucial role in reinforcing concrete structures. They are commonly utilized in the construction of columns, beams, and foundations to increase their load-carrying capacity and prevent structural failure. During the pouring process, the bars are typically added to the concrete, forming a sturdy framework that enhances the building's strength and stability. Furthermore, steel round bars are utilized to create steel frames in building construction. These frames provide the skeletal structure of the building, supporting the weight of the floors, walls, and roofs. Due to their high strength-to-weight ratio, steel round bars are perfect for constructing lightweight yet robust frames that can withstand various loads, including wind and seismic forces. Additionally, steel round bars serve other purposes in construction, such as fabricating steel reinforcements, connectors, and fasteners. They can be welded, bolted, or threaded to join different structural elements, ensuring a secure and sturdy construction. Overall, steel round bars are an essential component in the construction of bridges and buildings, providing the necessary strength, durability, and flexibility to create structurally sound and long-lasting structures.

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