• 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 heat treated for improved strength?
Steel round bars can undergo heat treatment for enhanced strength. This treatment involves subjecting the steel to specific heating and cooling procedures to modify its microstructure and properties. The most common techniques used for heat treating steel round bars are quenching and tempering. During quenching, the steel round bar is heated to a high temperature and rapidly cooled by immersing it in a quenching medium like water, oil, or polymer. This rapid cooling aids in hardening the steel by transforming its microstructure into a tougher and stronger martensitic structure. Following quenching, the steel round bar is often tempered to reduce brittleness and increase toughness. Tempering includes reheating the quenched steel to a lower temperature and gradually cooling it. This process relieves the internal stresses formed during quenching and allows the steel to achieve a balance between hardness and toughness, resulting in improved strength. It is important to consider that the specific heat treatment process and parameters rely on the type and grade of steel used. Therefore, it is advisable to consult with a metallurgical expert or refer to the manufacturer's guidelines to determine the appropriate heat treatment process for a specific steel round bar and achieve the desired strength improvement.
Q:Are steel round bars suitable for machining operations?
Yes, steel round bars are suitable for machining operations. Steel is known for its high strength and durability, making it an excellent material for various machining processes. Steel round bars can be easily shaped, cut, drilled, and turned to create precise components or parts. Machining operations such as milling, drilling, and turning can be efficiently performed on steel round bars to achieve the desired shape, size, and finish. Additionally, steel round bars offer good dimensional stability and excellent mechanical properties, allowing for accurate and consistent machining results. Overall, steel round bars are a reliable choice for machining operations in various industries including automotive, aerospace, construction, and manufacturing.
Q:Can steel round bars be used in the automotive manufacturing?
Yes, steel round bars can be used in automotive manufacturing. Steel round bars offer high strength and durability, making them suitable for various automotive components such as crankshafts, camshafts, axles, and suspension parts. They also provide excellent machinability and can be easily fabricated into the required shapes and sizes, making them a preferred choice in the automotive industry.
Q:What are the limitations of using steel round bars?
There are several limitations to using steel round bars. Firstly, steel round bars have a limited strength-to-weight ratio, which means they may not be suitable for applications that require high strength and low weight. Additionally, steel round bars can be prone to corrosion and rust if not properly protected or maintained. Another limitation is their inability to be easily shaped or bent, making them less flexible for certain design requirements. Lastly, steel round bars may not be cost-effective for small-scale or low-budget projects due to their higher material and manufacturing costs compared to other alternatives.
Q:Can steel round bars be used for making electrical components?
Steel round bars can be used for making certain electrical components, but it depends on the specific requirements and applications. Steel is a versatile material with good electrical conductivity and high durability, making it suitable for various electrical applications. However, for certain components that require specific electrical properties or insulation, other materials such as copper or aluminum may be more commonly used. Additionally, steel round bars may need to undergo surface treatments or coatings to prevent corrosion or improve electrical conductivity. Ultimately, the suitability of steel round bars for making electrical components should be assessed based on the specific requirements and regulations of the intended application.
Q:What are the main differences between wrought round steel, hot rolled round steel and cold drawn round steel? Where are they used separately?
Cold drawn round steel (don't know, you mean can not cold dial round bar). But I understand by the cold dial round bar Also mainly used in hardware parts processing and production. Such as hinge shaft core or other surface and diameter requirements of production and processing occasions.
Q:What are the different surface finishes for stainless steel round bars?
There are several different surface finishes available for stainless steel round bars, including bright annealed, mill finish, brushed, polished, and satin. Each finish offers a distinct appearance and level of smoothness, allowing for various aesthetic and functional preferences.
Q:What are the different surface treatments for steel round bars?
Steel round bars offer a variety of surface treatments, each serving a specific purpose and offering unique advantages. Here are some of the most common treatments: 1. Hot-dip galvanizing: To prevent corrosion and rusting, steel round bars are immersed in molten zinc, creating a protective coating. This treatment is ideal for outdoor or corrosive environments. 2. Painting: Applying paint not only enhances the appearance of steel round bars but also protects them from moisture and oxidation. It is commonly used for decorative purposes or when a specific color is desired. 3. Powder coating: Dry powder is applied to the steel round bars and then cured under heat, resulting in a durable and appealing finish. This treatment provides excellent resistance to impact, chemicals, and UV rays. 4. Electropolishing: A smooth and shiny finish is achieved by using an electric current and an electrolyte solution to remove a thin layer from the steel round bars' surface. It enhances the appearance and corrosion resistance, making it suitable for applications requiring cleanliness and aesthetics. 5. Passivation: An acid solution is used to remove any free iron or iron oxide from the surface of steel round bars, improving their corrosion resistance. This treatment is commonly used for stainless steel round bars to increase longevity and prevent staining or rusting. 6. Shot blasting: Small steel balls or particles are propelled at high velocity onto the steel round bars, removing contaminants, scale, or rust. This results in a clean and roughened surface, improving adhesion for subsequent coatings or treatments. 7. Chrome plating: A thin layer of chromium is electroplated onto the surface of steel round bars, providing corrosion resistance, wear resistance, and a shiny appearance. This treatment is suitable for applications requiring durability and aesthetics. The choice of surface treatment for steel round bars depends on specific requirements such as corrosion resistance, aesthetics, or wear resistance. Before selecting a treatment, it is important to carefully consider the intended use and environmental conditions.
Q:What are the advantages of using molybdenum-alloy steel round bars?
One of the advantages of using molybdenum-alloy steel round bars is their superior strength and durability. The addition of molybdenum enhances the material's tensile strength and resistance to corrosion, making it suitable for various applications in industries such as manufacturing, construction, and engineering. Additionally, molybdenum-alloy steel round bars offer excellent heat resistance, allowing them to withstand high temperatures without losing their structural integrity. This makes them ideal for use in environments where heat and stress are prevalent, ensuring long-lasting performance and reliability.
Q:Can steel round bars be bent?
Yes, steel round bars can be bent. The flexibility of steel allows it to be shaped and manipulated into various forms, including bending round bars into desired angles or curves.

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