Light steel rail made in China for construction
- Ref Price:
-
- 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: What are the main applications of special steel in the pharmaceutical industry?
- Special steel is widely used in the pharmaceutical industry for various applications. One of the main applications is in the manufacturing of high-quality equipment such as tanks, vessels, and pipes that are required for the storage and transportation of pharmaceutical products. Special steel is preferred due to its corrosion resistance, durability, and ability to maintain product purity. Additionally, special steel is utilized in the production of precision tools and instruments used in pharmaceutical research, development, and quality control processes. Moreover, special steel is essential in the construction of cleanrooms and controlled environments, ensuring the hygienic and sterile conditions required in pharmaceutical manufacturing.
- Q: How does special steel resist deformation under load?
- Special steel is designed to resist deformation under load due to its unique composition and manufacturing techniques. One of the key factors that contribute to its resistance is its high strength. Special steel is typically alloyed with elements such as chromium, nickel, and molybdenum, which enhance its mechanical properties and make it stronger than regular steel. This increased strength allows the steel to bear heavier loads without undergoing significant deformation. Additionally, special steel often undergoes specialized heat treatment processes such as quenching and tempering. These processes modify the steel's microstructure, resulting in a fine-grained structure and increased hardness. The fine-grained structure helps to distribute the applied load more evenly throughout the material, reducing the risk of localized deformation. Moreover, special steel can also exhibit exceptional toughness, which means it can absorb a significant amount of energy before fracturing. This toughness is achieved by carefully controlling the steel's chemical composition and manufacturing processes, such as controlled cooling rates during heat treatment. The ability to absorb energy without undergoing deformation further enhances its resistance to load-induced deformation. Furthermore, special steel can possess superior fatigue resistance, allowing it to withstand repeated loading and unloading cycles without undergoing deformation. This is achieved by eliminating impurities and controlling the steel's grain structure, which reduces the initiation and propagation of cracks that can lead to deformation. Overall, the combination of high strength, fine-grained structure, toughness, and fatigue resistance in special steel enables it to resist deformation under heavy loads. These characteristics are carefully engineered and optimized during the manufacturing process to ensure that the steel can withstand the intended applications and loads without undergoing significant deformation.
- Q: What is the impact of grain size on the mechanical properties of special steel?
- The impact of grain size on the mechanical properties of special steel is significant. Grain size refers to the size and distribution of individual crystals within the steel structure. It is determined by factors such as the cooling rate during solidification and subsequent heat treatments. In general, a smaller grain size in special steel leads to improved mechanical properties. This is because smaller grains offer a greater number of grain boundaries, which act as barriers to dislocation movement and improve the strength of the steel. Smaller grains also provide a more uniform microstructure, enhancing the overall toughness and resistance to fracture. Additionally, a smaller grain size promotes higher hardness and increased wear resistance in special steel. This is due to the increased number of grain boundaries that hinder the movement of dislocations, preventing plastic deformation and leading to higher hardness values. On the other hand, larger grain sizes can negatively impact the mechanical properties of special steel. Larger grains have fewer grain boundaries, allowing dislocations to move more freely. This results in reduced strength, toughness, and hardness of the steel. Furthermore, larger grains can also lead to anisotropic behavior, where the mechanical properties differ in different crystallographic directions, making the steel more susceptible to failure under certain loading conditions. Therefore, controlling and optimizing the grain size in special steel is crucial to achieve desired mechanical properties. This can be achieved through precise heat treatments, such as annealing or quenching, which control the cooling rate and subsequent recrystallization processes. By controlling the grain size, special steel can be tailored to meet specific application requirements, ensuring optimal mechanical performance and reliability.
- Q: What are the different coating and plating options for special steel?
- There are various coating and plating options available for special steel, depending on the desired outcome and application. Some common options include electroplating with metals like nickel, zinc, or chrome for enhanced corrosion resistance, as well as hot-dip galvanizing to provide a thick layer of zinc coating. Other options include powder coating, which offers durability and a wide range of colors, and PVD (Physical Vapor Deposition) coating, which provides a thin, protective layer using vaporized materials like titanium or chromium. Additionally, specialized coatings like Teflon or ceramic coatings can be applied for increased non-stick properties or heat resistance. Ultimately, the choice of coating or plating depends on the specific requirements and performance expectations for the special steel.
- Q: How are tungsten alloys used in the defense industry?
- Tungsten alloys are extensively used in the defense industry due to their exceptional strength, high density, and excellent resistance to heat and wear. These alloys are commonly utilized in the manufacturing of armor-piercing ammunition, artillery projectiles, and kinetic energy penetrators. Tungsten alloys are also employed in the production of various defense equipment such as missile components, bomb casings, and tank armor. Their ability to withstand extreme conditions and deliver superior performance makes them invaluable in enhancing the effectiveness and protection capabilities of military applications.
- Q: What are the different applications of special steel in the construction industry?
- Special steels are highly versatile materials that find numerous applications in the construction industry. One of the primary uses of special steel in construction is in the production of structural components. Special steels, such as high-strength low-alloy (HSLA) steel and weathering steel, are commonly employed to construct buildings, bridges, and other infrastructure projects that require superior strength and durability. In addition to structural applications, special steel is also extensively utilized in the construction of pipelines. This is particularly true for oil and gas pipelines, where special steels with excellent resistance to corrosion and high-pressure conditions are crucial. Stainless steel, for instance, is commonly employed due to its exceptional corrosion resistance properties, making it ideal for harsh environments. Another vital application of special steel in construction is in the production of reinforcing bars, commonly known as rebars. Reinforcing steel bars are used to reinforce concrete structures, such as buildings, bridges, and highways, by providing additional strength to withstand tension forces. Special steel rebars, such as micro-alloyed steel or carbon steel, are specifically designed to enhance the structural integrity and durability of concrete structures. Furthermore, special steel is extensively used in the construction of high-rise buildings and skyscrapers. The exceptional strength, ductility, and fire resistance properties of special steels, such as carbon steel or alloy steel, make them ideal for constructing tall structures that can withstand heavy loads and resist the impact of fire incidents. Special steel also finds application in the construction of equipment and machinery used in the construction industry. For instance, high-speed steel (HSS) is commonly used to manufacture cutting tools, drill bits, and saw blades that are essential for various construction activities. HSS possesses exceptional hardness, wear resistance, and high-temperature strength, making it suitable for heavy-duty cutting and drilling applications. In conclusion, special steel plays a crucial role in the construction industry due to its superior strength, durability, corrosion resistance, and fire resistance properties. It finds applications in structural components, pipelines, reinforcing bars, high-rise buildings, and construction machinery. Special steel ensures the safety, longevity, and reliability of construction projects, making it an essential material in the industry.
- Q: Can special steel be used in the production of springs for watches?
- Yes, special steel can be used in the production of springs for watches. Special steel, commonly known as spring steel, possesses high elasticity and strength, making it ideal for creating precision springs that are essential for the functioning of watches. It provides the necessary resilience and durability required for the accurate and reliable timekeeping of watches.
- Q: What are the different forging techniques for special steel?
- There are several different forging techniques used for special steel, including open die forging, closed die forging, and ring rolling. Open die forging involves shaping the steel between flat dies or anvils, while closed die forging uses shaped dies to compress the steel into the desired shape. Ring rolling involves shaping the steel by rolling it between two or more dies, creating a seamless ring shape. Each forging technique has its own advantages and is chosen based on the specific requirements of the steel product being produced.
- Q: What are the different methods of surface ion nitriding for special steel?
- Surface ion nitriding of special steel can be achieved through various methods. These methods encompass: 1. Utilizing DC Plasma Nitriding: Employing direct current (DC) plasma to ionize nitrogen gas, a plasma atmosphere is created. By subjecting the special steel to the plasma chamber and applying high voltage, the ions are accelerated towards the steel's surface, resulting in nitriding. 2. Adopting RF Plasma Nitriding: Similar to DC plasma nitriding, RF (Radio Frequency) plasma nitriding employs a radio frequency power supply to generate plasma instead of direct current. This method allows for better control over the nitriding process and can accommodate more intricate geometries. 3. Employing Pulse Plasma Nitriding: By applying short pulses of high voltage to the steel surface, a plasma discharge is created. These pulses are repeated at regular intervals, enabling precise control over the nitriding process. Pulse plasma nitriding is commonly used for steels with sensitive properties that may be affected by prolonged exposure to high temperatures. 4. Combining Plasma Assisted Nitriding: This method combines plasma nitriding with other surface treatment techniques, such as physical vapor deposition (PVD) or chemical vapor deposition (CVD). Initially, the steel is coated with a thin layer of reactive material, followed by nitriding in a plasma atmosphere. This combination enhances the surface properties of the special steel, such as wear resistance or corrosion resistance. 5. Employing Glow Discharge Nitriding: This method involves placing the special steel in a chamber filled with a nitrogen-rich gas, such as ammonia. Applying high voltage creates a glow discharge, which ionizes the gas and generates nitrogen ions that diffuse into the steel's surface. Glow discharge nitriding is commonly employed for small parts or components with complex shapes. It is crucial to consider factors such as desired properties, steel geometry, and application-specific requirements when selecting the most suitable method for surface ion nitriding of special steel.
- Q: How does special steel contribute to the manufacturing of cutting blades?
- The manufacturing of cutting blades heavily relies on the use of special steel, which plays a vital role in this process. Cutting blades must possess exceptional strength, durability, and sharpness in order to effectively carry out their intended function. Special steel, also referred to as tool steel, possesses distinctive properties that make it the ideal material for the production of cutting blades. To begin with, special steel boasts remarkable hardness, allowing cutting blades to maintain their sharpness over an extended period of time. Blades made from special steel can endure the wear and tear that occurs during cutting operations. This hardness enables the blades to retain their cutting edge, resulting in a longer lifespan and enhanced cutting performance. Furthermore, special steel provides exceptional toughness, which is crucial for cutting blades. During cutting operations, blades are subjected to high impact and stress. The toughness of special steel helps to absorb these forces and prevents the blades from breaking or chipping. This ensures that the cutting blades can withstand demanding cutting tasks without compromising their performance. Additionally, special steel offers excellent corrosion resistance. Cutting blades frequently come into contact with various materials, including moisture and chemicals. The corrosion resistance of special steel prevents the blades from rusting or corroding, ensuring their longevity and reducing the need for frequent replacements. Moreover, special steel possesses good machinability, making it easier to shape and form into the desired blade design. This enhances the manufacturing process by allowing the production of cutting blades with intricate features and complex shapes. The machinability of special steel enables manufacturers to create blades with precise cutting edges and optimal geometries, resulting in superior cutting performance. In conclusion, special steel significantly contributes to the manufacturing of cutting blades by providing hardness, toughness, corrosion resistance, and good machinability. These properties ensure that cutting blades made from special steel are long-lasting, durable, and capable of delivering exceptional cutting performance in various applications.
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Light steel rail made in China for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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