Hot Rolled Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
Hot Rolled Alloy Steel Round Bars
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
4. Standard: GB/T 3077-1999(42CrMo) ; JIS SCM440; DIN 42CrMo4 ; ASTM 4140 ; BS 708M40
No.1 Rolling Line / Billet Size 150*150mm
16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
34 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 45.6 |
46 | 47 | 52 | 54 | 55 | 56 | 58 | 60 |
No.2 Rolling Line / Billet Size 180*220mm/ 260*300mm
62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | |
70 | 72 | 73 | 75 | 78 | 80 | 82 | 83 | 85 |
86 | 88 | 90 | 92 | 95 | 100 | 103 | 105 | 110 |
114 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 |
No.3 Rolling Line / Round Billet Size 350mm/450mm/600mm
90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 |
140 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 220 |
230 | 240 | 250 |
- Q: Can steel round bars be used for making conveyor belts or rollers?
- Certainly, conveyor belts or rollers can be made using steel round bars. Steel possesses remarkable tensile strength and durability, rendering it appropriate for tasks involving heavy loads or incessant motion. The round bars can be utilized to establish the conveyor belt or roller's structural framework or support system, ensuring stability and rigidity. Furthermore, steel exhibits resistance to wear and tear, as well as the capability to endure high temperatures, thereby making it perfect for industrial environments. Nevertheless, it is crucial to take into account other aspects such as the conveyor system's specific requirements, the type of material being transported, and any potential corrosion concerns that might arise.
- Q: What are the different grades of steel used in round bars?
- Round bars are made from various grades of steel, each possessing its own distinct properties and applications. Some commonly utilized grades are as follows: 1. Grade 1018 - Mild Steel: This steel has low carbon content, enabling easy machinability and weldability. It finds extensive use in general engineering fields, such as construction, automotive, and machinery. 2. Grade 1045 - Carbon Steel: Known for its medium carbon composition, this steel exhibits high tensile strength and excellent wear resistance. It is commonly employed in applications involving shafts, axles, gears, and other high-stress components. 3. Grades 4140 and 4340 - Alloy Steel: Alloy steels incorporate additional elements like chromium, molybdenum, or nickel to enhance their mechanical properties. These grades offer exceptional strength, toughness, and wear resistance. They are frequently employed in applications that demand high durability and strength, such as automotive parts, aircraft components, and industrial machinery. 4. Grades 304 and 316 - Stainless Steel: Stainless steel is a corrosion-resistant alloy containing a minimum of 10.5% chromium. It finds wide usage in industries such as food processing, chemicals, and medicine due to its remarkable resistance to corrosion, heat, and its appealing aesthetic. 5. Grades A2 and D2 - Tool Steel: Tool steels are designed specifically to possess high hardness, wear resistance, and toughness. They are commonly employed in the manufacture of cutting tools, dies, and molds. These examples represent just a fraction of the diverse range of steel grades used in round bars. The selection of the appropriate grade depends on specific requirements for the application, including strength, corrosion resistance, heat resistance, and machinability.
- Q: Can steel round bars be extruded?
- Steel round bars cannot be extruded; instead, they are typically produced through a different process called hot rolling. In hot rolling, a cylindrical billet is heated and passed through a series of rollers to achieve the desired diameter and length. Extrusion, on the other hand, is a manufacturing process that involves forcing material through a die to create specific shapes or profiles. While steel can be extruded into various shapes such as tubes, channels, or angles, round bars are not typically produced in this way.
- Q: Is there any technique for welding round steel?
- Weldment pair:Welding round steel, joining two end, processing 30 degrees slope, center left 3--4mm welding root, two pieces of welding set time, the center stay 4--5mm gap, spot welding positioning.
- Q: How do steel round bars perform in high-pressure applications?
- Steel round bars are known for their exceptional strength and durability, making them highly suitable for high-pressure applications. When subjected to high-pressure conditions, steel round bars exhibit excellent resistance to deformation and maintain their structural integrity. This enables them to withstand the intense forces and maintain their shape, ensuring the safety and reliability of the application. Steel round bars are often used in high-pressure applications such as hydraulic systems, oil and gas pipelines, aerospace components, and high-pressure vessels. Their robust nature allows them to handle the extreme pressures experienced in these applications without failure. The high tensile strength of steel ensures that the bars do not buckle or collapse under pressure, providing the necessary support and stability required for such demanding environments. Additionally, steel round bars possess excellent corrosion resistance properties, which is crucial in high-pressure applications. They can withstand exposure to harsh chemicals, moisture, and other corrosive elements, preventing rusting or degradation over time. This corrosion resistance ensures the longevity and reliability of the steel round bars in high-pressure environments, reducing the risk of premature failure. Furthermore, steel round bars offer versatility in terms of grades and alloys, allowing for customization to meet specific high-pressure requirements. Different grades of steel, such as carbon steel, alloy steel, or stainless steel, can be utilized based on the application's demands. This versatility ensures that the steel round bars can be tailored to provide optimal performance and meet the specific pressure and temperature requirements of the application. In conclusion, steel round bars excel in high-pressure applications due to their exceptional strength, durability, and corrosion resistance properties. Their ability to withstand intense forces and maintain their shape makes them a reliable choice for various industries, including hydraulic systems, oil and gas pipelines, aerospace, and high-pressure vessels. By utilizing steel round bars, companies can ensure the safety, reliability, and longevity of their high-pressure applications.
- Q: What is the tensile strength of Q235 round steel?
- Nominal diameter 8-20 mm, yield point is greater than or equal to 235MPa, tensile strength greater than or equal to 370MPa, elongation is greater than or equal to 25%.
- Q: What are the different types of steel round bar alloys used in aerospace applications?
- There are several different types of steel round bar alloys that are commonly used in aerospace applications. These alloys are selected for their specific properties and characteristics that make them suitable for use in aircraft and spacecraft components. Some of the most commonly used alloys include: 1. 4130: This alloy is a low-alloy steel that contains chromium and molybdenum. It has excellent strength and toughness, making it suitable for use in applications such as landing gear components and structural tubing. 2. 4340: This alloy is a nickel-chromium-molybdenum steel that is known for its high strength and good ductility. It is commonly used in applications such as gears, shafts, and structural components that require high strength and toughness. 3. 17-4 PH: This alloy is a precipitation-hardening stainless steel that offers a combination of high strength, corrosion resistance, and good toughness. It is often used in aerospace applications where both strength and corrosion resistance are important, such as in turbine blades and structural components. 4. 15-5 PH: This alloy is another precipitation-hardening stainless steel that offers high strength and good corrosion resistance. It is commonly used in aerospace applications such as landing gear components and structural parts. 5. 9310: This alloy is a low-alloy steel that is known for its high hardenability and toughness. It is often used in aerospace applications where high strength and good impact resistance are required, such as in gears and shafts. These are just a few examples of the different types of steel round bar alloys used in aerospace applications. Each alloy offers specific properties and characteristics that make it suitable for different components and requirements in the aerospace industry.
- Q: What is the difference between a peeled and a polished steel round bar?
- A peeled steel round bar is a bar that has had its outer layer or skin removed through a peeling process, resulting in a smooth surface. On the other hand, a polished steel round bar undergoes a polishing process to enhance its appearance and create a reflective, shiny surface. While both bars have a smooth finish, the peeled bar focuses on removing imperfections and enhancing the structural integrity, whereas the polished bar prioritizes aesthetics and visual appeal.
- Q: Can steel round bars be used for making suspension springs?
- Yes, steel round bars can be used for making suspension springs. Steel is a commonly used material for suspension springs due to its high strength and durability. The round bars can be forged or shaped into the desired spring shape and then heat-treated to achieve the desired spring characteristics. Additionally, steel round bars can be easily machined and drilled to accommodate different suspension systems and components. However, it is important to consider the specific requirements and load capacity of the suspension system to ensure that the chosen steel round bars are suitable for the intended application.
- Q: What are the common industries that use steel round bars?
- Due to their strength, durability, and versatility, steel round bars are widely utilized across various industries. Construction, manufacturing, automotive, aerospace, energy, and oil and gas industries heavily rely on these bars for their unique properties and applications. In the construction industry, steel round bars play a vital role in creating structural frameworks like beams, columns, and trusses. They provide the necessary support and stability for buildings, bridges, and other infrastructures. Additionally, steel round bars reinforce concrete structures, guaranteeing their structural integrity. The manufacturing industry extensively employs steel round bars in the production of machinery, equipment, and tools. These bars are often machined, forged, or heat-treated to manufacture components such as shafts, gears, fasteners, and bearings. Their high tensile strength and resistance to wear and tear make them ideal for withstanding heavy loads and harsh operating conditions. In the automotive sector, steel round bars are essential in manufacturing crucial vehicle components like axles, crankshafts, camshafts, and suspension systems. These bars provide the required strength and durability for safe and reliable transportation. The aerospace industry heavily relies on steel round bars for manufacturing aircraft components, including landing gears, engine parts, and structural elements. Steel round bars ensure the safety and performance of aircraft due to their high strength-to-weight ratio, allowing for lighter aircraft without compromising strength. In the energy industry, steel round bars are used in constructing turbines, generators, and transmission towers for power generation and transmission. The robustness and corrosion resistance of steel make it suitable for extreme temperatures and harsh environments. Lastly, the oil and gas industry extensively utilizes steel round bars for drilling equipment, pipe fittings, valves, and other critical components. These bars are specially designed to withstand high-pressure and corrosive environments, making them vital for oil and gas exploration, extraction, and transportation. To summarize, steel round bars are widely used across various industries for their strength, durability, and versatility. They are crucial in ensuring the safety, reliability, and efficiency of numerous industrial processes in construction, manufacturing, automotive, aerospace, energy, and oil and gas sectors.
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Hot Rolled Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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