• Light steel rail made in China for construction System 1
  • Light steel rail made in China for construction System 2
  • Light steel rail made in China for construction System 3
Light steel rail made in China for construction

Light steel rail made in China for construction

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
10000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering Light steel rail made in China for construction 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:

Light steel rail made in China for construction are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

OKorder's Light steel rail made in China for construction 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

AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15

Dimensions

Diameter: 30-60mm

Length: 2000-13000mm or as required

Shape

Round Bar

Type

Alloy Steel Bar

Delivery Condition

Black Surface

Material

Bearing Steel

Technique

Hot Rolled

 

Usage and Applications of Bearing Steel Round Bar

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

First the famous 1C-1.5Cr steel from which the majority of bearings are made. Its structure is apparently well-understood and the focus is on purity in order to avoid inclusions which initiate fatigue during rolling contact. Then there is the M50 steel and its variants, from which bearings which serve at slightly higher temperatures in aeroengines are manufactured, based on secondary-hardened martensite.

 

       Tapered roller bearing are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling ,During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.

 

Packaging & Delivery of Bearing Steel Round Bar

Packaging Detail: ASTM 52100 Steel in seaworthy packing or on customer request; Packed in bundles with standard export sea-worthy package or as customer require

Delivery Detail: 45 days after confirmed

Trade terms: FOB, CFR, CIF ou as customer's required

MOQ: 25 tons or at customer's demands. If the quantity is good, the price will be better.

 

Processing of Bearing Steel Round Bar

The processing of Bearing Steel Round Bar is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution)

 

Chemical Composition of Bearing Steel Round Bar

C

Si

Mn

Cr

Ni

Cu

Equal or less than

0.95-1.05

0.15-0.35

0.25-0.45

Cr:1.40-1.65

0.30

0.25

 

All products' chemical composition and specification can be design according to customers' requirement.

 

Note of Bearing Steel Round Bar

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. Please send us your detailed specifications when inquire. We will reply to you ASAP.

5. Certificate of quality is issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness. forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the certificate

FAQ:

Q1: How do we guarantee the quality of our products?

A1: 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.

Q2: Can stainless steel rust?

A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

Q:Can special steel be used in food processing applications?
Yes, special steel can be used in food processing applications. Special steel, such as stainless steel, is commonly used in the food industry due to its excellent corrosion resistance, hygienic properties, and durability. It is safe for food contact, easy to clean, and does not react with acidic or alkaline substances.
Q:What are the challenges in machining special steel with complex geometries?
Machining special steel with complex geometries poses several challenges. Firstly, the hardness and toughness of special steel can make it difficult to cut, requiring specialized tools and techniques. Additionally, the intricate geometries of the components can pose challenges in terms of accessing and maneuvering the cutting tools, which may require specialized equipment or processes. Furthermore, the heat generated during machining can affect the properties of special steel, such as its hardness and dimensional stability, requiring careful monitoring and control. Overall, machining special steel with complex geometries demands expertise, precision, and adaptability to overcome these challenges.
Q:What are the different cutting tools used for machining special steel?
Some different cutting tools used for machining special steel include carbide inserts, high-speed steel (HSS) end mills, diamond-coated tools, and ceramic cutting tools. These tools are designed to withstand the high hardness and heat resistance of special steels, ensuring precise and efficient cutting operations.
Q:What are the factors that affect the wear resistance of special steel?
The factors that affect the wear resistance of special steel include the composition of the steel, the hardness of the steel, the presence of carbides or other strengthening elements, the microstructure of the steel, the presence of surface treatments or coatings, the contact load or pressure applied to the steel, the sliding speed or velocity of the contact, the temperature at which the steel is operating, and the presence of any abrasive or corrosive media.
Q:What are the requirements for special steel used in high-pressure applications?
Special steel used in high-pressure applications must meet certain requirements in order to ensure its durability and reliability under extreme conditions. Some of the key requirements for this type of steel include: 1. High strength: Special steel for high-pressure applications needs to have exceptional strength to withstand the intense forces and pressures it will be subjected to. This allows it to resist deformation and maintain its structural integrity. 2. Excellent corrosion resistance: The steel must have a high resistance to corrosion, as it will often come into contact with aggressive fluids or gases in high-pressure environments. This prevents the steel from deteriorating over time and helps to maintain its performance and longevity. 3. Good weldability: Special steel used in high-pressure applications should possess good weldability to enable easy and efficient joining of different components. This ensures the overall integrity and reliability of the system. 4. High temperature resistance: The steel must have the ability to withstand elevated temperatures without losing its mechanical properties. This is particularly important in applications where high-pressure fluids or gases are heated or where the steel is exposed to extreme heat sources. 5. Fatigue resistance: Special steel should have a high resistance to fatigue failure, as it will often be subjected to cyclic loading and pressure fluctuations. This allows the steel to withstand repeated stress and pressure cycles without developing cracks or failures. 6. Tight dimensional tolerance: The steel should have tight dimensional tolerance to ensure proper fit and functionality within the high-pressure system. This helps to minimize leakage or any potential weak points in the system. 7. Compliance with industry standards: Special steel used in high-pressure applications should meet relevant industry standards and specifications, such as those set by organizations like the American Society of Mechanical Engineers (ASME) or the American Petroleum Institute (API). This ensures that the steel meets the required quality and performance standards. Overall, special steel for high-pressure applications needs to possess a combination of high strength, excellent corrosion resistance, good weldability, high temperature resistance, fatigue resistance, tight dimensional tolerance, and compliance with industry standards to ensure its suitability and reliability in demanding environments.
Q:What are the specific requirements for special steel used in the automotive piston industry?
In order to ensure high performance, durability, and efficiency of pistons in the automotive piston industry, specific requirements for the special steel used have been established. These requirements encompass the following: 1. High tensile strength and hardness are essential for the special steel used in automotive pistons to withstand the extreme pressures and temperatures generated during combustion. 2. The steel must exhibit exceptional heat resistance properties to endure the intense heat produced by the combustion process without distorting or losing strength. 3. Given the constant friction and wear that pistons endure against the cylinder walls, the special steel used must possess good wear resistance to minimize wear and tear and extend the lifespan of the piston. 4. To ensure a secure seal between the piston and cylinder walls, the steel should have a low coefficient of thermal expansion, preventing excessive expansion and contraction during temperature fluctuations. 5. Since pistons are exposed to various corrosive elements, such as combustion by-products and engine oil, the special steel used in their manufacturing must possess good corrosion resistance to prevent premature deterioration and failure. 6. The steel should exhibit excellent fatigue resistance to withstand the repetitive stress cycles experienced by the piston during engine operation. 7. Special steel used in pistons should be easily machinable, allowing for precise dimensions and tolerances necessary for optimal performance. 8. While meeting the aforementioned requirements, special steel used in the automotive piston industry should also be cost-effective to ensure profitability for manufacturers. By meeting these specific requirements, the special steel used in the automotive piston industry contributes to the overall performance, reliability, and longevity of the piston. Consequently, this enhances the efficiency and durability of the entire engine system.
Q:How is special steel used in the production of gears?
Special steel is commonly used in the production of gears due to its superior strength, durability, and resistance to wear and fatigue. The high-quality properties of special steel allow gears to withstand heavy loads, high speeds, and harsh operating conditions, ensuring reliable and efficient performance. Additionally, special steel can be heat treated to optimize its hardness and toughness, further enhancing gear performance and extending their lifespan.
Q:What are the non-destructive testing methods used for special steel?
There are several non-destructive testing (NDT) methods that are commonly used for special steel. These methods are designed to detect flaws or defects in the steel without causing any damage to the material. One of the most widely used NDT methods for special steel is ultrasonic testing. This technique involves sending high-frequency sound waves through the steel and analyzing the echoes that are reflected back. By measuring the time it takes for the sound waves to travel through the steel and return, technicians can determine the thickness, density, and internal structure of the material. Ultrasonic testing is particularly effective at detecting cracks, voids, or inclusions in the steel. Another commonly used NDT method for special steel is magnetic particle testing. This technique involves applying a magnetic field to the surface of the steel and then coating it with a magnetic powder. Any defects or irregularities in the steel will create magnetic flux leakage, causing the magnetic particles to cluster and form visible indications. This method is particularly effective at detecting surface cracks or discontinuities in the steel. Liquid penetrant testing is another NDT method that is often used for special steel. This technique involves applying a liquid dye or fluorescent material to the surface of the steel. The dye penetrates any surface cracks or defects, and after a specified dwell time, excess dye is removed. A developer is then applied, which draws out the dye from any flaws, making them visible under UV light. This method is effective at detecting surface discontinuities and is commonly used in the aerospace and automotive industries. Radiographic testing is another NDT method that can be used for special steel. This technique involves exposing the steel to X-rays or gamma rays and capturing the resulting image on a film or digital detector. By analyzing the radiographic image, technicians can detect internal flaws such as cracks, voids, or inclusions in the steel. This method is particularly useful for thicker sections of steel or when access to the material is limited. In conclusion, non-destructive testing methods such as ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing are commonly used for special steel. These methods allow for the detection of flaws or defects in the steel without causing any damage to the material, ensuring its integrity and reliability.
Q:Does special steel have any magnetic properties?
Yes, special steel can have magnetic properties. The magnetic properties of special steel depend on its composition and processing. Some types of special steel are specifically designed to be magnetic, while others may have low magnetic permeability.
Q:Can special steel be used in the oil refinery industry?
Yes, special steel can be used in the oil refinery industry. Special steel alloys such as stainless steel, duplex stainless steel, and nickel-based alloys have excellent corrosion resistance properties, high temperature strength, and resistance to cracking, making them ideal for various applications in oil refineries. These materials can be used for equipment such as pipes, valves, heat exchangers, and storage tanks, ensuring the safe and efficient operation of oil refineries.

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