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

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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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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: How are steel round bars used in the manufacturing of fasteners and bolts?: Steel round bars are used in the manufacturing of fasteners and bolts as they provide the necessary strength and durability required for these components. The bars are typically cut and shaped into the desired length and shape, and then undergo various processes such as threading or heat treatment to enhance their performance. The resulting steel rods are used as the main body of fasteners and bolts, providing the necessary structural integrity and reliability in various industrial applications.

Q: What are the advantages of using nickel-copper alloy steel round bars?: There are several advantages of using nickel-copper alloy steel round bars. Firstly, nickel-copper alloy steel has excellent resistance to corrosion and oxidation. This makes it ideal for applications in harsh environments, such as marine or chemical industries, where the bars may come into contact with corrosive substances or saltwater. The high resistance to corrosion ensures the longevity and durability of the round bars, reducing the need for frequent replacements. Secondly, nickel-copper alloy steel round bars have excellent mechanical properties. The addition of nickel and copper to the alloy enhances its strength, toughness, and hardness. This makes the bars suitable for heavy-duty applications that require high strength and durability, such as in construction, manufacturing, and engineering. The superior mechanical properties of nickel-copper alloy steel round bars allow them to withstand heavy loads and resist deformation or breakage, contributing to the overall safety and reliability of the structures or components they are used in. Another advantage of using nickel-copper alloy steel round bars is their excellent thermal stability. The alloy has a low coefficient of thermal expansion, meaning it can withstand high temperatures without significant dimensional changes. This property is particularly important in applications that involve exposure to extreme heat, such as in the aerospace or power generation industries. The thermal stability of the round bars ensures their dimensional integrity, reducing the risk of warping or cracking under high-temperature conditions. Furthermore, nickel-copper alloy steel round bars offer good electrical conductivity. This property is beneficial in applications that require the transmission of electric current, such as in electrical wiring or power distribution systems. The high electrical conductivity of the alloy ensures efficient and reliable electrical connections, minimizing power loss and maximizing performance. In conclusion, the advantages of using nickel-copper alloy steel round bars include excellent corrosion resistance, superior mechanical properties, thermal stability, and good electrical conductivity. These characteristics make the bars suitable for a wide range of applications in various industries, providing durability, strength, and reliability.

Q: What are the different types of steel round bars used in the automotive chassis components?: There are several different types of steel round bars used in automotive chassis components, including carbon steel, alloy steel, stainless steel, and tool steel. Each type of steel offers different properties and strengths, allowing for the production of reliable and durable chassis components.

Q: Can steel round bars be used for making mining equipment?: Yes, steel round bars can be used for making mining equipment. The strength and durability of steel make it a suitable material for manufacturing various mining equipment such as drill rods, excavator buckets, and support structures due to its high load-bearing capacity and resistance to wear and tear.

Q: Are steel round bars suitable for bearing applications?: In general, steel round bars are suitable for bearing applications. Steel possesses qualities such as strength, durability, and resistance to wear and tear, which make it an ideal material for bearing purposes. Manufacturers often utilize steel round bars in the production of bearings because they have the ability to carry heavy loads and endure rotational forces. Furthermore, steel round bars can undergo heat treatment to increase their hardness and enhance their resistance to friction and corrosion, making them even more suitable for bearing applications. Nevertheless, it is crucial to take into account the specific requirements and conditions of the bearing application to ensure that the chosen steel round bars meet the necessary standards and specifications.

Q: Can steel round bars be used in the production of power tools?: Yes, steel round bars can be used in the production of power tools. Steel round bars are often used as raw materials for manufacturing various components and parts of power tools due to their high strength, durability, and resistance to impact and wear. These bars can be machined, shaped, and heat-treated to create the necessary components, such as shafts, handles, and gears, that are crucial for the proper functioning of power tools.

Q: What are the different types of steel round bars used in the automotive steering systems?: There are several different types of steel round bars commonly used in automotive steering systems, each with their own unique properties and advantages. 1. Carbon Steel Round Bars: These are the most commonly used type of steel round bars in automotive steering systems. They offer good strength and durability, making them suitable for various steering components such as tie rods and drag links. Carbon steel round bars are also cost-effective and readily available, making them a popular choice in the automotive industry. 2. Alloy Steel Round Bars: Alloy steel round bars are made by adding various alloying elements such as chromium, nickel, and molybdenum to carbon steel. This enhances their strength, hardness, and wear resistance. Alloy steel round bars are often used in high-stress areas of the steering system where extra strength is required, such as in steering shafts and steering knuckles. 3. Stainless Steel Round Bars: Stainless steel round bars are known for their excellent corrosion resistance, making them suitable for steering components exposed to harsh environments or moisture. They are commonly used in steering system parts like steering column shafts and tie rod ends. 4. Tool Steel Round Bars: Tool steel round bars are used in specialized steering system components that require high hardness, wear resistance, and toughness. These bars are often used in the manufacturing of steering gears and other precision steering components. 5. High-Strength Low-Alloy (HSLA) Steel Round Bars: HSLA steel round bars are a type of alloy steel that provides a good balance between strength, toughness, and formability. They are commonly used in lightweight steering system components to reduce weight while maintaining structural integrity. Overall, the choice of steel round bars in automotive steering systems depends on factors such as the specific application, desired strength, durability, and corrosion resistance. Manufacturers carefully select the appropriate steel type to ensure optimal performance and safety in steering systems.

Q: What are the main differences between wrought round steel, hot rolled round steel and cold drawn round steel? Where are they used separately?: The main differences are in mechanical properties. I don't know very well how to make round steel, I can't compare it. Forged round steel is expected to be used in the processing of some special performance requirements.

Q: What is the maximum diameter of a steel round bar?: The maximum diameter of a steel round bar can vary depending on the specific type and grade of steel being used. However, in general, steel round bars can range in diameter from a few millimeters to several inches.

Q: Can steel round bars be used in the manufacturing of pumps?: Yes, steel round bars can be used in the manufacturing of pumps. Steel round bars are commonly used in various industries for their strength, durability, and versatility. In pump manufacturing, steel round bars are often used as shafts or rotors due to their ability to withstand high pressure and rotational forces. The steel round bars can be machined, forged, or heat-treated to meet the specific requirements of the pump design. Additionally, steel round bars provide excellent corrosion resistance, making them suitable for pumps used in various environments. Overall, steel round bars are a reliable and commonly used material in pump manufacturing.

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