AISI 4140 42CrMo4 Alloy Steel Round Bar System 1

AISI 4140 42CrMo4 Alloy Steel Round Bar System 2

AISI 4140 42CrMo4 Alloy Steel Round Bar System 3

AISI 4140 42CrMo4 Alloy Steel Round Bar System 4

AISI 4140 42CrMo4 Alloy Steel Round Bar

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

AISI 4140 42CrMo4 Alloy Steel Round Bar

Specifications

1. Delivery condition: Hot-rolled,black surface

2. Chemical composition: C:0.38~0.45 Si:≤0.40 Mn:0.60~0.90 S:≤0.035 P:≤0.035 Cr:0.90~1.20 Ni:≤0.030 Cu:≤0.030 Mo:0.15~0.30

C	Si	Mn	P	S	Cr	Mo
0.38-0.45	≤0.4	0.6-0.9	≤0.035	≤0.030	0.9-1.2	0.15-0.30

3.Process: EAF + LF + VD + Forged + Heat Treatment (optional)

4.Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)

5.Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

6.Test: ultrasonic test according to SEP 1921-84 3 D/D

7. Material details will be as per agreed technical specifications

Equipment

We are well-equipped with 2000-Ton Hydraulic press, 15-Ton Hydraulic manipulator, various kinds of Lathe and boring machine, product range OD 200mm-800mm, Length less than 9m.

AISI 4140 42CrMo4 Alloy Steel Round Bar

Products

AISI 4140 42CrMo4 Alloy Steel Round Bar

Q:Can steel round bars be used in the construction industry?: Yes, steel round bars are commonly used in the construction industry for various applications. They are often used as reinforcement in concrete structures, such as beams, columns, and slabs, to enhance their strength and durability. Steel round bars can also be used in the fabrication of structural components, such as trusses, frames, and supports, due to their high tensile strength and resistance to bending or breaking. Additionally, they can be employed in the construction of bridges, tunnels, buildings, and other infrastructure projects.

Q:How do you calculate the deflection of a steel round bar?: To calculate the deflection of a steel round bar, you can use the Euler-Bernoulli beam theory formula, which states that the deflection is proportional to the applied load, the length of the bar, and the fourth power of its diameter. By inputting these values into the formula, you can determine the deflection of the steel round bar.

Q:Can steel round bars be used in the manufacturing of lighting fixtures?: Yes, steel round bars can be used in the manufacturing of lighting fixtures. Steel is a versatile and durable material that can provide structural support and aesthetic appeal to lighting fixtures. Steel round bars can be fashioned into various shapes and sizes to create different components of lighting fixtures, such as frames, bases, or decorative elements. Additionally, steel can be easily manipulated through welding, bending, or machining processes to meet specific design requirements. It is also worth noting that steel has excellent corrosion resistance properties, ensuring that lighting fixtures made from steel round bars can withstand harsh environments and have a longer lifespan. Overall, steel round bars are a popular choice in the manufacturing of lighting fixtures due to their strength, versatility, and ability to enhance the overall design aesthetic.

Q:How are steel round bars used in the construction of transmission towers?: Steel round bars are commonly used in the construction of transmission towers due to their strength, durability, and ease of fabrication. These bars are typically made from high-strength carbon steel and are available in various diameters to suit different structural requirements. In the construction of transmission towers, steel round bars are primarily used as the main structural elements. They form the vertical and diagonal members that provide strength and stability to the tower. The bars are typically connected together using various methods like welding or bolted connections to form the lattice structure of the tower. The round shape of the bars allows for uniform distribution of forces, making them ideal for withstanding the loads and stresses that transmission towers experience. These loads include the weight of the tower itself, the electrical conductors, and environmental factors like wind, ice, and seismic forces. Additionally, steel round bars offer excellent corrosion resistance, which is crucial for transmission towers that are often exposed to harsh weather conditions. This resistance helps to prolong the lifespan of the tower and ensures the safety and reliability of the transmission lines. Furthermore, steel round bars can be easily fabricated and customized according to the specific design requirements of the transmission tower. They can be cut, bent, and shaped into the desired dimensions, allowing for flexibility in tower design and construction. Overall, steel round bars play a vital role in the construction of transmission towers by providing strength, durability, and resistance to corrosion. Their versatility and ability to withstand various loads make them an essential component in ensuring the safe and reliable transmission of electricity.

Q:How do you determine the appropriate steel grade for a specific application?: To determine the appropriate steel grade for a specific application, several factors need to be considered. These include the intended use of the steel, the required mechanical properties such as strength, hardness, and toughness, the desired corrosion resistance, and any specific industry standards or regulations that need to be met. Additionally, factors like cost, availability, and processability of the steel should also be taken into account. By evaluating these factors and consulting with experts, engineers can determine the most suitable steel grade for the specific application.

Q:What are the advantages of using manganese-alloy steel round bars?: Manganese-alloy steel round bars offer several advantages. Firstly, they possess excellent strength and durability, making them ideal for applications that require high load-bearing capacity. Secondly, the presence of manganese in the alloy enhances hardenability, resulting in improved wear resistance and toughness. This makes manganese-alloy steel round bars suitable for use in environments with abrasive conditions or high impact forces. Additionally, these round bars exhibit good machinability, allowing for easy fabrication and shaping. Lastly, the corrosion resistance of manganese-alloy steel ensures a longer lifespan, reducing maintenance requirements and costs in various industries.

Q:How are steel round bars manufactured?: Steel round bars are typically manufactured through a process known as hot rolling, where a large steel billet is heated and passed through a series of rollers which gradually shape and size it into a round bar. This process ensures the bar's uniformity, strength, and durability, making it suitable for various applications in industries such as construction, manufacturing, and engineering.

Q:What are the advantages of using cobalt-alloy steel round bars?: Using cobalt-alloy steel round bars in various industries and applications offers several advantages. Firstly, this type of steel is exceptionally strong and hard, providing resistance against wear, corrosion, and high temperatures. This makes it suitable for demanding environments where other materials would quickly degrade. Secondly, cobalt-alloy steel maintains its shape and size even under extreme conditions, demonstrating excellent dimensional stability. This makes it ideal for applications that require precise tolerances and minimal deformation, such as in the aerospace and automotive industries. Moreover, cobalt-alloy steel retains its mechanical properties at elevated temperatures, showcasing excellent heat resistance. This makes it valuable in applications involving high-speed machining, cutting tools, and turbine components. Additionally, cobalt-alloy steel round bars are easily machined and fabricated, offering versatility and customization in various applications. Their high machinability and weldability make them suitable for use in manufacturing processes like forging, casting, and machining. Furthermore, cobalt-alloy steel round bars exhibit excellent fatigue resistance, ensuring long-lasting performance and durability. This makes them suitable for applications involving repetitive stress or cyclic loading, such as shafts, springs, and fasteners. Lastly, cobalt-alloy steel is biocompatible, making it suitable for medical and dental applications. Its corrosion resistance and biocompatibility properties make it commonly used in orthopedic implants, surgical tools, and dental instruments. In conclusion, the advantages of using cobalt-alloy steel round bars include exceptional strength, hardness, and dimensional stability, as well as heat resistance, machinability, fatigue resistance, and biocompatibility. These qualities make them valuable across a wide range of industries and applications, offering reliability, durability, and performance.

Q:What is the cost of steel round bars compared to other materials?: The price of steel round bars can differ depending on various factors, including the grade of steel, the bar's size and dimensions, and market conditions. However, in general, steel round bars are usually more economical than other materials commonly used in construction and manufacturing. For example, when compared to materials like aluminum or titanium, steel round bars are typically more affordable. Steel is widely available, making it a cost-efficient choice for many applications. Additionally, steel possesses excellent strength and durability attributes, making it a preferred material for structural purposes. In contrast to materials like wood or plastic, steel round bars may be initially more costly. Nevertheless, when considering the long-term advantages such as its longevity, resistance to corrosion, and minimal maintenance requirements, steel still provides a cost-effective solution. It is important to note that the price of steel round bars can significantly vary depending on market conditions, including the availability of raw materials and the demand for steel products. Additionally, specialized or high-grade steel alloys may come at a higher cost due to their specific properties or manufacturing processes. To summarize, steel round bars generally offer a cost-effective option compared to many other materials used in construction and manufacturing. However, it is always advisable to research current market prices and consider specific project requirements before making any final cost assessments.

Q:What is the difference between a solid and a hollow steel round bar?: A solid steel round bar is a cylindrical bar made entirely of solid steel material, meaning it is filled and does not have any hollow spaces inside. On the other hand, a hollow steel round bar is also cylindrical in shape but has a hollow center, meaning it has empty space or a void inside the bar. The main difference between a solid and a hollow steel round bar lies in their structural composition and the purposes they serve. A solid steel round bar is typically used in applications where strength and durability are of utmost importance. It is commonly used in construction, manufacturing, and engineering projects where load-bearing capacity is required. On the other hand, a hollow steel round bar is designed to be lighter in weight while still maintaining structural integrity. The hollow center allows for weight reduction while still providing sufficient strength for various applications. Hollow steel round bars are often used in industries such as aerospace, automotive, and marine, where weight reduction is critical for improved fuel efficiency and overall performance. Additionally, the hollow space inside a hollow steel round bar also provides an opportunity for customization. It can be used to house other components, such as wires or piping, allowing for a more streamlined and efficient design. This makes hollow steel round bars versatile and suitable for various applications that require both strength and weight reduction. In summary, the main difference between a solid and a hollow steel round bar lies in their structural composition and the purposes they serve. Solid steel round bars are used for applications that require maximum strength and durability, while hollow steel round bars offer weight reduction and customization options, making them suitable for applications that prioritize lightweight design without compromising structural integrity.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range