Galvanized round bar structure steel made in China
- 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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OKorder Financial Service
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Product Description:
OKorder is offering Galvanized round bar structure steel made in China 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:
Galvanized round bar structure steel made in China 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 round bar structure 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 | 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 soon can we receive the product after purchase?
A1: 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.
Q2: What makes stainless steel stainless?
A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q:Can special steel be used in electrical applications?
- Yes, special steel can be used in electrical applications. Special steel alloys, such as stainless steel or tool steel, possess specific properties that make them suitable for use in electrical applications. These properties include good electrical conductivity, high resistance to corrosion, and high strength. Stainless steel, for example, is often used in electrical enclosures, wire mesh, and connectors due to its ability to resist corrosion caused by moisture or chemicals. Tool steel, on the other hand, is commonly used in the manufacturing of electrical tools and equipment, such as pliers or screwdrivers, due to its high strength and durability. Overall, special steel alloys can offer the required electrical properties and performance needed for various electrical applications.
- Q:How is corrosion-resistant steel used in marine applications?
- Corrosion-resistant steel is extensively used in marine applications due to its ability to withstand the harsh environment of seawater. It is employed in the construction of various marine structures such as ships, offshore platforms, and coastal infrastructure. This type of steel provides exceptional resistance to corrosion, preventing the degradation of materials and ensuring the longevity and safety of marine structures. Additionally, corrosion-resistant steel is used in the production of marine equipment, such as propellers, valves, and pipelines, as it offers superior durability and protection against corrosion caused by saltwater exposure.
- Q:How is nitriding steel used in the manufacturing of engine components?
- Nitriding steel is used in the manufacturing of engine components to improve their hardness, wear resistance, and overall performance. The nitriding process involves diffusing nitrogen into the surface of the steel, forming a hard layer of nitrides. This increases the component's resistance to abrasion, corrosion, and fatigue, making it more durable and long-lasting. Additionally, nitrided steel has high heat resistance, which is crucial for engine components exposed to high temperatures and friction. Overall, the use of nitriding steel in engine manufacturing enhances the reliability and efficiency of the engine, leading to improved performance and longevity.
- Q:How does special steel perform in pharmaceutical applications?
- Due to its unique properties and characteristics, special steel is highly sought after in pharmaceutical applications. Its exceptional corrosion resistance is especially important in pharmaceutical environments where chemical substances and aggressive cleaning agents are commonly used. This corrosion resistance ensures the steel remains durable and maintains its integrity over time. Furthermore, special steel is renowned for its strength and durability, making it suitable for applications that involve heavy loads or frequent use. This strength allows the steel to withstand the demanding requirements of pharmaceutical processes, such as mixing, grinding, and sterilization, without compromising its structural integrity. Another significant advantage of special steel in pharmaceutical applications is its hygienic properties. It is highly resistant to bacterial growth and easy to clean, making it perfect for environments where cleanliness and sterility are of utmost importance. The smooth surface of special steel prevents the accumulation of dirt, bacteria, and other contaminants, reducing the risk of contamination and ensuring the safety and quality of pharmaceutical products. Moreover, special steel offers excellent temperature resistance, enabling it to endure extreme temperatures and thermal cycling commonly encountered in pharmaceutical processes. This thermal stability guarantees that the steel retains its mechanical properties and dimensional stability, even under fluctuating temperature conditions. Overall, special steel's corrosion resistance, high strength, hygienic properties, and temperature resistance make it a trustworthy and versatile material for pharmaceutical applications. Its exceptional performance in these challenging environments contributes to the production of safe and high-quality pharmaceutical products.
- Q:How does special steel contribute to the creep resistance of products?
- Special steel contributes to the creep resistance of products by offering enhanced mechanical properties, such as high tensile strength and toughness, which help to resist deformation and damage over time. Additionally, the unique alloying elements and heat treatment processes used in special steel production further improve its resistance to creep, which is the gradual deformation occurring under prolonged exposure to high temperatures and constant stress. This makes special steel a reliable choice for applications where long-term structural integrity and durability are crucial, such as in high-temperature environments or load-bearing components.
- Q:How is ultra-high-strength alloy steel used in the aerospace industry?
- Ultra-high-strength alloy steel is extensively used in the aerospace industry due to its exceptional strength-to-weight ratio. It is commonly employed in the manufacturing of aircraft components such as landing gear, engine mounts, and structural parts. This steel's remarkable strength helps enhance the overall structural integrity of aircraft, ensuring they can withstand extreme conditions and stresses encountered during flight. Additionally, its lightweight nature contributes to reducing the weight of the aircraft, which in turn improves fuel efficiency and increases payload capacity.
- Q:What are the machining techniques for special steel?
- Some of the machining techniques commonly used for special steel include milling, turning, drilling, grinding, and broaching. These techniques are employed to shape and finish the special steel material according to the desired specifications and requirements. Additionally, special attention is given to selecting appropriate cutting tools, speeds, and feeds to ensure efficient and precise machining.
- Q:How does special steel perform in extreme environments?
- Special steel is specifically designed to perform exceptionally well in extreme environments. It has excellent resistance to corrosion, high temperatures, and mechanical stress, making it highly reliable and durable. Special steel also maintains its strength and integrity even in challenging conditions, ensuring optimal performance and longevity in extreme environments.
- Q:What are the different methods of improving the machinability of special steel?
- There are several methods available for improving the machinability of special steel. One approach is to modify the steel composition by adding elements such as sulfur, lead, or selenium, which can help break the chips during the machining process. Another method involves using coatings or surface treatments on the steel to reduce friction and heat generation during machining. Additionally, optimizing the cutting parameters, such as speed, feed rate, and cutting tool geometry, can also enhance machinability. Lastly, post-machining processes like stress relieving or heat treatment can be employed to improve the overall machinability of the special steel.
- Q:What are the different methods of surface electropolishing for special steel?
- There are several different methods of surface electropolishing for special steel, each with its own unique advantages and applications. 1. Immersion Electropolishing: This method involves immersing the special steel components in an electrolyte bath and passing a direct current through the solution. The current causes the surface of the steel to dissolve, resulting in a smooth and polished finish. Immersion electropolishing is commonly used for large and complex parts, as it can provide uniform surface improvement on all exposed areas. 2. Electrolytic Electropolishing: This technique involves applying a direct current directly to the surface of the special steel component using an electrode. The current causes the surface to dissolve, resulting in a smooth and reflective finish. Electrolytic electropolishing is often preferred for smaller or intricate parts, as it allows for precise control over the process and can target specific areas that require improvement. 3. Reverse Pulse Electropolishing: This method utilizes a combination of direct and reverse current pulses to achieve a superior surface finish. The reverse current pulses help to reduce the surface roughness and eliminate any embedded particles or contaminants. Reverse pulse electropolishing is particularly useful for special steel components that require enhanced corrosion resistance and improved cleanliness. 4. Magnetic Field-Assisted Electropolishing: This technique involves applying a magnetic field to the electropolishing process, which can improve the polishing rate and surface finish. The magnetic field aligns the electrical current and enhances the removal of material, resulting in a smoother and more uniform surface. Magnetic field-assisted electropolishing is often used for special steels that are difficult to polish or have complex geometries. 5. Flow-Assisted Electropolishing: This method involves using a flowing electrolyte solution to enhance the electropolishing process. The flowing solution helps to remove dissolved material from the surface and prevents the formation of gas bubbles, resulting in a smoother and more efficient polishing. Flow-assisted electropolishing is commonly used for large or flat special steel components that require a high-quality surface finish. Overall, the selection of the appropriate method of surface electropolishing for special steel depends on the specific requirements of the components, such as size, geometry, and desired surface finish. Each method offers its own benefits and considerations, and consulting with an experienced electropolishing specialist is recommended to determine the most suitable approach.
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Galvanized round bar structure steel made in China
- 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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