• 30CrMnSi Material High Quality Tool Steel Bar System 1
  • 30CrMnSi Material High Quality Tool Steel Bar System 2
  • 30CrMnSi Material High Quality Tool Steel Bar System 3
30CrMnSi Material High Quality Tool Steel Bar

30CrMnSi Material High Quality Tool Steel Bar

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering Tool Steel at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

High Quality Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.

Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.

 

 

Product Advantages:

OKorder's Tool Steel are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Grade

bearing steel EN-31

Dimensions

Diameter: 20-280mm

Length: 2000-5800mm

Shape

Round Bar

Type

High chromium bearing steel

HBS

<220< span="">

Standard

AISI

Technique

Hot Rolled

Chemical Composition of High Quality Bearing Steel

C

S

P

Si

Mn

0.95-1.05

≤0.025

≤0.025

0.15-0.35

0.25-0.45

Cr

Mo

Ni

Cu

Ni+Cu

1.40-1.65

≤0.10

≤0.30

≤0.25

≤0.50

 

Note of High Quality Bearing Steel

1. According to national standard (GB) for our products, if not, supply according to national standards (GB) or agreement.

2. We can not only provide electric furnace +LF+VD and electros lag re-melting (ESR) steel forging materials, but also forging products of piece, bar, etc.

3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.

4. The materials that we purchase are all accord with International General Standard; you could check it out on the Material Quality Sheet.

5. We are the creator of the “seven-step inspect method” in China.

6. The technical workers we employed are the ones with many years’ working experience, who know the technology procedures very well.

7. We will strictly inspect our production that we sold according to the customer’s request.

8. Our steel reaches international quality standards. Besides, our company is equipped with large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advanced equipment. All our products are carried out hardness tests, such as the ultrasonic flaw detection before shipment. Therefore, there is no quality problem. With more competitive price than other suppliers, our steel has good sales in the markets of North America, South America, East Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia and West Europe.

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

 

Images:

Q:Can steel round bars be used for gear applications?
Yes, steel round bars can be used for gear applications. Steel round bars are often used for manufacturing gears due to their high strength, durability, and ability to withstand heavy loads and wear. They can be machined and heat-treated to meet specific gear requirements, making them a suitable choice for various gear applications in industries such as automotive, machinery, and manufacturing.
Q:What is the difference between a hot rolled and a precision ground steel round bar?
The main difference between a hot rolled and a precision ground steel round bar is the manufacturing process and the resulting surface finish. Hot rolled steel round bars are made by heating a steel billet until it is soft enough to be formed into a round shape, then rolling it through a series of rollers to achieve the desired diameter. This process creates a rougher surface finish and can result in slight variations in diameter along the length of the bar. On the other hand, precision ground steel round bars are made by starting with a hot rolled bar and then subjecting it to additional grinding or machining processes to achieve a precise diameter and a smooth, consistent surface finish. This extra processing ensures that the bar has a more uniform size and a finer surface texture, making it suitable for applications that require tight tolerances and a polished appearance. Overall, the choice between a hot rolled and a precision ground steel round bar depends on the specific requirements of the application. Hot rolled bars are generally more cost-effective and suitable for less demanding applications, while precision ground bars are preferred for precision machining and high-performance applications.
Q:Can steel round bars be recycled?
Yes, steel round bars can be recycled. Steel is a highly recyclable material, and this includes steel round bars. Recycling steel round bars involves collecting the scrap material, melting it down, and then reshaping it into new steel products. This process can be done repeatedly without compromising the quality or strength of the steel. Recycling steel round bars not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions compared to producing new steel. It is an environmentally friendly option that helps to promote sustainability and reduce waste.
Q:Are steel round bars used in the aerospace industry?
Yes, steel round bars are commonly used in the aerospace industry for various applications such as structural components, landing gears, and engine parts. The high strength, durability, and excellent mechanical properties of steel make it an ideal material choice for aircraft manufacturing.
Q:What are the different mechanical properties of steel round bars?
The different mechanical properties of steel round bars include tensile strength, yield strength, elongation, hardness, and impact resistance. Tensile strength refers to the maximum amount of stress a material can withstand before breaking. Yield strength is the stress at which a material begins to deform permanently. Elongation measures the amount of deformation a material can undergo before breaking. Hardness determines the material's resistance to indentation or scratching. Impact resistance is the ability of a material to absorb energy during sudden impacts without breaking.
Q:What are the advantages of using sulfur-alloy steel round bars?
Sulfur-alloy steel round bars offer several benefits. Firstly, they have superior machinability compared to other steel types. Adding sulfur to the alloy reduces friction between the tool and workpiece, resulting in smoother cutting and lower cutting forces. This simplifies and improves the efficiency of machining, saving time and reducing costs. Secondly, sulfur-alloy steel round bars possess excellent chip-breaking properties. The sulfur content encourages the formation of small, brittle sulfide inclusions within the steel, which act as effective chip breakers during machining. These inclusions break the chips into smaller pieces, preventing tangling and issues like built-up edges or poor surface finish. Another advantage is the improved surface finish of sulfur-alloy steel round bars. The sulfur content in the alloy minimizes the occurrence of built-up edges or burrs during machining. As a result, a smoother and more precise surface finish is achieved, which is particularly crucial for applications that require aesthetics or tight tolerances. Moreover, sulfur-alloy steel round bars exhibit good wear resistance. The sulfur content forms hard sulfide inclusions that enhance the hardness and wear resistance of the steel. This makes it suitable for applications subjected to abrasive wear, such as gear or bearing manufacturing. Lastly, sulfur-alloy steel round bars are frequently more cost-effective compared to other high-performance alloys. Adding sulfur is a relatively inexpensive process, making sulfur-alloy steel a more affordable option for many applications. This makes it an appealing choice for industries that require high-quality steel while considering costs. In conclusion, the benefits of using sulfur-alloy steel round bars include improved machinability, enhanced chip-breaking properties, better surface finish, good wear resistance, and cost-effectiveness. These advantages make sulfur-alloy steel round bars a popular choice in various industries, including automotive, aerospace, and manufacturing.
Q:What are the advantages of using duplex steel round bars?
Duplex steel round bars offer numerous benefits for various applications. Firstly, they provide exceptional resistance to corrosion. By combining chromium, nickel, and molybdenum, this steel can withstand harsh conditions found in marine and chemical industries. This makes it ideal for high exposure to corrosive elements. Secondly, duplex steel round bars possess great strength and toughness. The unique microstructure of this steel, combining ferrite and austenite phases, results in greater strength compared to traditional stainless steels. This makes them suitable for demanding applications requiring high load-bearing capacities. Additionally, duplex steel round bars exhibit excellent fatigue resistance. This makes them perfect for applications subjected to cyclic loading or dynamic stress, such as structural components or machinery parts. Their fatigue resistance allows for extended service life and reliability. Another advantage of using duplex steel round bars is their superior weldability. Their balanced chemical composition and microstructure enable easy fabrication and joining, reducing production time and costs in various industries. Furthermore, duplex steel round bars demonstrate exceptional resistance to stress corrosion cracking (SCC). This makes them a preferred choice for applications with a high risk of SCC, such as offshore and oil and gas industries. Lastly, duplex steel round bars provide cost-effective solutions. Despite their superior properties, they are often more cost-effective than other high-performance materials. Their long service life, reduced maintenance requirements, and overall durability contribute to lower lifecycle costs, making them an economical choice for various applications. In conclusion, duplex steel round bars offer excellent corrosion resistance, high strength and toughness, good fatigue resistance, superior weldability, resistance to stress corrosion cracking, and cost-effectiveness. These properties make them a preferred choice for industries such as oil and gas, chemical processing, marine, and structural applications.
Q:What is the difference between a solid steel round bar and a hollow steel round bar?
A solid steel round bar is a cylindrical metal rod with a consistent diameter along its entire length. It is made of solid steel and does not have any empty space inside. On the other hand, a hollow steel round bar also has a cylindrical shape but contains an empty space within its center. The size of this empty space can vary depending on the design and purpose of the bar. The main difference between the two lies in their structural integrity and weight-bearing capacity. A solid steel round bar offers greater strength and stability compared to a hollow steel round bar. This is because the solid bar is made of continuous steel material, making it more resistant to pressure-induced bending, twisting, or deformations. It is commonly used in industries that require high strength and durability, such as construction, engineering, and manufacturing. In contrast, a hollow steel round bar may have reduced strength and load-bearing capacity due to the empty space inside. However, the hollow design provides certain benefits in terms of weight, cost, and flexibility. The hollow space reduces the overall weight of the bar, making it suitable for applications where weight is a critical factor, such as aerospace or automotive industries. Moreover, the hollow space can be utilized for various purposes, such as passing electrical wires or fluids, providing ventilation, or reducing material costs by using less steel. Ultimately, the choice between a solid steel round bar and a hollow steel round bar depends on the specific requirements of the application. If strength and stability are crucial, a solid bar is the preferred choice. In contrast, if weight reduction, cost-efficiency, or additional functionality is desired, a hollow bar may be more suitable.
Q:Can steel round bars be hardened through heat treatment?
Yes, steel round bars can be hardened through heat treatment. Heat treatment is a process that involves heating the steel to a specific temperature and then rapidly cooling it to achieve the desired hardness and strength. There are different heat treatment methods, such as quenching and tempering, which can be used to harden steel round bars. Quenching involves heating the steel to a critical temperature and then rapidly cooling it in a liquid medium, such as oil or water, to achieve maximum hardness. Tempering, on the other hand, involves reheating the quenched steel to a lower temperature to reduce brittleness and improve toughness while maintaining a desirable hardness level. Heat treatment can significantly improve the mechanical properties of steel round bars, making them suitable for various applications that require high strength and hardness.
Q:What are the advantages of using shock-resistant steel round bars?
The advantages of using shock-resistant steel round bars are that they have high strength and toughness, making them suitable for applications where there is a high risk of impact, vibrations, or sudden loadings. These bars can withstand heavy loads and absorb energy, reducing the risk of structural failure or damage. Additionally, shock-resistant steel round bars offer improved resistance to wear, corrosion, and fatigue, resulting in longer service life and reduced maintenance costs.

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