Round Bar 5mm-10mm Hot Rolled High Quality Q195 Q235
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Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger
Product Advantages:
OKorder's Steel I-Beams are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
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:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
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: 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.
Q3: Can stainless steel rust?
A3: 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 different types of steel round bar heat treatments?
- Some common types of heat treatments for steel round bars include annealing, normalizing, quenching and tempering, and case hardening.
- Q: What is the elongation of a steel round bar?
- The elongation of a steel round bar refers to the amount it stretches or deforms when subjected to a tensile force. It is a measure of the bar's ability to withstand tension and is typically expressed as a percentage of the original length. The elongation is determined by the material properties of the steel, including its composition, grain structure, and heat treatment. Factors such as the applied force, temperature, and speed of loading also influence the elongation. Steel round bars generally exhibit a significant elongation before reaching their breaking point, making them suitable for structural applications that require high strength and ductility.
- Q: What is the elasticity of a steel round bar?
- The elasticity of a steel round bar refers to its ability to return to its original shape after being subjected to external forces or deformation. Steel is known for its high elasticity, meaning it can withstand significant stress and strain without permanent deformation. This property makes steel round bars suitable for various applications, including construction, manufacturing, and engineering.
- Q: What are the chemical composition requirements for steel round bars?
- The chemical composition requirements for steel round bars vary depending on the specific grade or type of steel being used. However, in general, steel round bars are typically made from carbon steel, alloy steel, or stainless steel. Carbon steel round bars typically have a chemical composition consisting of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, sulfur, and silicon. The carbon content in carbon steel round bars can range from 0.08% to 2.1%, depending on the desired strength and hardness. These bars are commonly used in construction, manufacturing, and general-purpose applications. Alloy steel round bars contain additional alloying elements such as chromium, nickel, molybdenum, vanadium, and manganese. These elements are added to enhance the mechanical properties of the steel, such as improved strength, hardness, and resistance to wear and corrosion. The specific chemical composition requirements for alloy steel round bars can vary significantly depending on the desired properties and the specific alloy being used. Stainless steel round bars are composed primarily of iron, chromium, and nickel, along with smaller amounts of other elements such as carbon, manganese, and molybdenum. The high chromium content in stainless steel provides excellent corrosion resistance, while the nickel content enhances its strength and ductility. The chemical composition requirements for stainless steel round bars are typically specified by international standards such as ASTM or EN, which outline the minimum and maximum allowable percentages of each element. In summary, the chemical composition requirements for steel round bars depend on the specific grade or type of steel being used, with carbon steel, alloy steel, and stainless steel being the most common types. The composition of these bars is carefully controlled to achieve the desired mechanical properties and performance characteristics for various applications.
- Q: What are the different grades of alloy steel round bars?
- Alloy steel round bars come in various grades, each with unique properties and characteristics. Some of the different grades of alloy steel round bars include: 1. 4140: This grade of alloy steel round bar is known for its high strength, toughness, and abrasion resistance. It is commonly used in applications such as axles, shafts, and gears. 2. 4340: This grade of alloy steel round bar is known for its excellent hardenability and high tensile strength. It is often used in applications that require high strength and durability, such as aircraft landing gear components and crankshafts. 3. 8620: This grade of alloy steel round bar is known for its case hardening properties, making it suitable for applications that require a combination of toughness and wear resistance. It is commonly used in gears, pinions, and camshafts. 4. 316: This grade of alloy steel round bar is a stainless steel grade that offers excellent corrosion resistance, making it suitable for applications in marine environments or where exposure to corrosive substances is a concern. 5. 52100: This grade of alloy steel round bar is known for its high hardness and wear resistance. It is commonly used in the manufacturing of bearings and other high-wear components. 6. 4340M: This grade of alloy steel round bar is similar to 4340, but with added molybdenum for improved hardenability and strength. It is often used in applications that require high strength and toughness, such as aircraft landing gear components and crankshafts. These are just a few examples of the different grades of alloy steel round bars available. The choice of grade will depend on the specific requirements of the application, such as desired mechanical properties, corrosion resistance, and heat treatment capabilities.
- Q: Can steel round bars be welded?
- Steel round bars can indeed be welded, as welding is a widely employed technique for connecting them. This involves heating the bars to a considerable temperature and subsequently applying pressure to fuse them, resulting in robust and long-lasting connections. Nonetheless, it is crucial to utilize suitable welding techniques and equipment in order to attain a weld of superior quality.
- Q: What is the difference between a rough turned and a seamless steel round bar?
- A rough turned steel round bar refers to a metal bar that has undergone a preliminary turning process, where excess material is removed to achieve a rougher surface finish. This process helps to create a more uniform diameter and removes any surface imperfections or irregularities. Rough turned bars are commonly used in applications where a smooth surface finish is not a requirement, such as in manufacturing machinery or agricultural equipment. On the other hand, a seamless steel round bar is a solid metal bar that is formed without any welding or seams. It is manufactured through a process called piercing, where a solid billet is heated and then pierced with a mandrel to create a hollow tube. The tube is then elongated and reduced in diameter through a series of rolling and drawing processes until it reaches the desired dimensions. Seamless round bars are known for their superior strength and resistance to corrosion, making them suitable for applications where a high level of performance is required, such as in the oil and gas industry or automotive manufacturing. In summary, the main difference between a rough turned and a seamless steel round bar lies in their manufacturing processes and surface finishes. Rough turned bars are created by removing excess material to achieve a rougher surface finish, while seamless bars are formed without any welding or seams, resulting in a smooth and continuous surface.
- Q: What are the different types of steel round bars used in the manufacturing of tools?
- In tool manufacturing, a variety of steel round bars are commonly employed. Each type of steel possesses distinct properties and qualities that make it suitable for various applications. The following are some of the most frequently utilized steel round bars in tool manufacturing: 1. Carbon Steel Round Bars: These round bars are widely used in tool manufacturing due to their exceptional strength and durability, making them ideal for heavy-duty applications. Carbon steel round bars can be further categorized into low carbon, medium carbon, and high carbon steel, based on their carbon content. 2. Alloy Steel Round Bars: Alloy steel round bars are created by incorporating diverse alloying elements, such as manganese, chromium, nickel, or molybdenum, into carbon steel. This process enhances their strength, hardness, and resistance to wear and tear. Cutting tools, drills, and gears are commonly manufactured using alloy steel round bars. 3. Stainless Steel Round Bars: Stainless steel round bars are renowned for their resistance to corrosion and high tensile strength. They are frequently employed in the production of tools that require protection against rust, such as kitchen knives, surgical instruments, and automotive components. 4. Tool Steel Round Bars: Tool steel round bars are specifically designed for tool manufacturing, as the name suggests. They possess high hardness, wear resistance, and toughness, making them ideal for cutting, drilling, and shaping applications. Tool steel round bars can be further classified into various types, including high-speed steel (HSS), cold work steel, hot work steel, and shock-resistant steel, based on their specific properties. 5. Stainless Tool Steel Round Bars: Stainless tool steel round bars combine the qualities of stainless steel and tool steel. They offer good resistance to corrosion and wear, making them suitable for applications that require both properties, such as the production of molds and dies. These examples represent just a few of the diverse types of steel round bars employed in tool manufacturing. The choice of steel depends on the specific requirements of the tool and its intended application.
- Q: Can steel round bars be used for hydraulic cylinder applications?
- Yes, steel round bars can be used for hydraulic cylinder applications. Steel round bars are commonly used in the manufacturing of hydraulic cylinders due to their high strength, durability, and resistance to corrosion. Additionally, steel round bars can be machined to precise dimensions, allowing for the creation of custom hydraulic cylinder components.
- Q: What is the difference between a hot-rolled and a ground steel round bar?
- The production of a hot-rolled steel round bar involves a process known as hot rolling. This process entails heating the steel above its recrystallization temperature and passing it through rollers to achieve the desired shape and size. As a result, the bar has a rough surface finish with a scaled or uneven texture. Hot-rolled steel round bars find common usage in construction, manufacturing, and general fabrication applications where a smooth finish is not a primary concern. Contrarily, a ground steel round bar goes through a process called grinding after the initial hot rolling. Grinding entails the removal of the outer layer of the hot-rolled bar to create a smooth and consistent surface finish. This process eliminates any imperfections, including scale or unevenness, resulting in a more precise and refined product. Ground steel round bars are often employed in applications where a smooth surface finish is crucial, such as in machining, toolmaking, and precision engineering. In conclusion, the primary distinction between a hot-rolled and a ground steel round bar lies in the surface finish. Hot-rolled bars possess a rough and uneven texture, whereas ground bars exhibit a smooth and consistent surface. The choice between the two depends on the specific application and the desired level of surface finish required.
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Round Bar 5mm-10mm Hot Rolled High Quality Q195 Q235
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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