42CrMO SCM440 Forged or Hot Rolled Sae 4140 Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 70 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
Mild Steel Round Bar is used for making security grills, screens, Construction and Machine Manufacture.Stainless steel bar is widely used in Architecture,Machine Manufacture,Power Station,Electric Equipment and Factory,Oil and Chemical Industry,Food and Medical Industry,City Decoration Industry
Festures of steel round bar:
Length: standard 6m,9m,12m, or as customers' requirement
Surface: Black, polished, grinded, ,Bright, Turn smooth(Peeled),Brush,Mill,Pickled
Process:Hot rolled,cold drawn,forged
Packing: In bundle, tied by steel straps, covered with protecting film
Use wooden box, fill with foam to keep the surface from damaging
Specifications of steel round bar:
Description : Steel Bar/Stainless Steel Round Bar/Alloy Steel Round Bar/Carbon Steel Bar
Stainless Steel Bright Bar/Stainless Steel Peeled Bar/Stainless Steel Polishing Bar
Diamater:
1 Hot rolled round bar diameter from 5.5mm to 110mm
2.Hot forged round bar diameter from 110mm to 400mm
3.Cold drawn round bar diameter from 2.0mm to 60mm
4.Grinding bar diameter from 4.0mm to 40mm
5.Turn smooth diameter from 40mm to 250mm
Images of steel round bar:
FAQ:
1. What is your main market?
We mainly export to Asia such as Japan,Korea,Thailand and North America and Middle East.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
4.Why do you choose to cooperate with us?
We have over10 years experience in this business so we are able to provide you the high quality products with the best price.
- Q: What are the disadvantages of using steel round bars?
- There are several disadvantages of using steel round bars in certain applications. Firstly, steel round bars are relatively heavy compared to other materials such as aluminum or plastic. This can be a disadvantage when considering weight restrictions or when ease of transportation is important. Secondly, steel round bars are susceptible to corrosion, especially in environments with high moisture, humidity, or exposure to certain chemicals. This can lead to the degradation of the material over time, reducing its strength and durability. To mitigate this issue, additional precautions such as coatings or regular maintenance may be required, adding to the overall cost and effort. Furthermore, steel round bars may not be suitable for applications where electrical conductivity is a concern. Steel is a good conductor of electricity, which can be a disadvantage in situations where electrical insulation is necessary. Lastly, steel round bars may not be as aesthetically pleasing as materials like wood or decorative metals. While this may not be a significant disadvantage in certain applications, it can be a drawback in situations where the visual appearance is important, such as architectural or interior design projects. Overall, while steel round bars are widely used and offer numerous advantages such as high strength and durability, it is important to consider these disadvantages in specific applications to ensure the optimal choice of materials.
- Q: What is the typical price range for steel round bars?
- The cost of steel round bars can differ based on several factors, including size, quality, and source of purchase. Generally, smaller diameter bars can be priced between $10 and $30 per bar, while larger ones can range from $30 to $100 or higher. The steel's quality, including its grade and any additional treatments or finishes, can influence the price. Moreover, the price range can be affected by the location or supplier from which the bars are bought. To obtain the best possible deal, it is advisable to compare prices from multiple sources and consider factors like shipping costs.
- Q: What are the different types of steel round bar alloys for improved toughness and wear resistance?
- There are several different types of steel round bar alloys that are specifically designed to offer improved toughness and wear resistance. These alloys are often used in applications where strength and durability are essential. Some of the commonly used alloys include: 1. Alloy Steel: Alloy steel round bars are made by adding different alloying elements such as chromium, nickel, molybdenum, or vanadium to enhance their mechanical properties. These alloys offer increased strength, toughness, and wear resistance. 2. Stainless Steel: Stainless steel round bars are corrosion-resistant alloys that contain a minimum of 10.5% chromium. They have excellent toughness, high strength, and superior wear resistance. Stainless steel round bars are widely used in industries such as aerospace, automotive, and construction. 3. Tool Steel: Tool steel round bars are specifically designed for applications where high wear resistance and toughness are crucial. These alloys are commonly used in the manufacturing of cutting tools, dies, and molds. Tool steel alloys often contain elements such as tungsten, vanadium, or molybdenum to improve their hardness and wear resistance. 4. Carbon Steel: Carbon steel round bars are widely used due to their high strength and toughness. These alloys contain varying amounts of carbon and are known for their excellent wear resistance. Carbon steel round bars find applications in industries such as manufacturing, construction, and automotive. 5. Bearing Steel: Bearing steel round bars are designed to withstand high stress and provide excellent wear resistance. These alloys are commonly used in the production of ball bearings, roller bearings, and other high-performance bearing components. Bearing steel alloys typically contain elements such as chromium, silicon, and manganese to enhance their mechanical properties. In conclusion, there are various types of steel round bar alloys available that offer improved toughness and wear resistance. The selection of the most suitable alloy depends on the specific application requirements and desired mechanical properties.
- Q: What are the different types of steel alloy compositions used for round bars?
- There are several different types of steel alloy compositions used for round bars, each with its own unique properties and applications. Some of the most common steel alloy compositions used for round bars include: 1. Carbon Steel: This is the most basic and widely used type of steel alloy composition for round bars. It primarily consists of iron and carbon, with small amounts of other elements. Carbon steel round bars are known for their strength, durability, and affordability. 2. Alloy Steel: This type of steel alloy composition contains additional alloying elements such as manganese, chromium, nickel, or molybdenum. Alloy steel round bars offer enhanced strength, hardness, and resistance to wear, making them suitable for applications that require high performance and durability. 3. Stainless Steel: Stainless steel round bars are composed primarily of iron, chromium, and nickel. This composition gives them excellent corrosion resistance and makes them suitable for applications in environments with high moisture or chemical exposure. Stainless steel round bars are also known for their aesthetic appeal and are commonly used in architectural and decorative applications. 4. Tool Steel: Tool steel round bars are specifically designed to have exceptional hardness, toughness, and wear resistance. They are often used in the production of cutting tools, dies, and molds. Tool steel compositions typically include elements such as tungsten, vanadium, or cobalt to enhance their performance in specific applications. 5. Duplex Steel: Duplex steel round bars are a type of stainless steel that contains a balanced combination of austenitic and ferritic microstructures. This composition gives them excellent strength and corrosion resistance, making them suitable for applications in demanding environments, such as offshore oil and gas industry. 6. High-Speed Steel: High-speed steel round bars are designed to withstand high temperatures and maintain their hardness and toughness at elevated speeds. They are commonly used in the production of cutting tools, drills, and milling cutters. High-speed steel compositions typically contain elements such as tungsten, molybdenum, or cobalt. These are just a few examples of the different types of steel alloy compositions used for round bars. The choice of composition depends on the specific application, desired properties, and performance requirements.
- Q: Can steel round bars be hardened?
- Steel round bars can indeed be hardened through a specific procedure known as hardening. This procedure entails heating the steel to a precise temperature and swiftly cooling it, which is commonly referred to as quenching. The rapid cooling induces a transformation in the steel, leading to heightened hardness and strength. Typically, the hardening process is followed by tempering, which entails reheating the hardened steel to a lower temperature. This step serves to minimize brittleness and further enhance toughness. Hardening is extensively applied in the manufacturing of tools, machine parts, and various other applications that demand exceptional strength and durability.
- Q: How do steel round bars perform under torsion or twisting forces?
- The exceptional performance of steel round bars in resisting torsion or twisting forces is widely recognized. Thanks to their inherent strength and stiffness, steel round bars can endure high levels of torque without experiencing significant deformation or failure. When subjected to torsion, steel round bars display what is known as elastic behavior. Initially, the bar will twist and deform elastically, meaning it will revert to its original shape once the twisting forces are no longer applied. This elastic deformation is directly proportional to the magnitude of the applied torque, in accordance with Hooke's law. However, if the torsional forces surpass the elastic limit of the steel round bar, it will undergo plastic deformation. This entails the permanent twisting of the bar, preventing it from returning to its original shape after the forces are released. The extent of plastic deformation depends on the magnitude and duration of the torsional forces. The high tensile strength of steel round bars makes them highly resistant to torsional failure, enabling them to withstand substantial twisting forces. Moreover, the round bars' smooth and uniform surface reduces the likelihood of stress concentrations, further enhancing their torsional performance. It is crucial to note that the torsional performance of steel round bars can be influenced by various factors, such as alloy composition, heat treatment, and manufacturing processes. By carefully selecting appropriate steel grades and employing suitable processing techniques, the torsional strength and performance of steel round bars can be further optimized to meet specific application requirements.
- Q: Are steel round bars used in the manufacturing of machinery?
- Yes, steel round bars are commonly used in the manufacturing of machinery. Steel round bars are a versatile and durable material that can be used in various applications, including the construction of machinery components. The round shape allows for easy machining and fabrication, making it suitable for producing shafts, axles, gears, and other critical parts in machinery. The high strength and toughness of steel make it ideal for withstanding heavy loads and impact, ensuring the reliability and longevity of the machinery. Additionally, steel round bars can be customized and tailored to meet specific design requirements, allowing manufacturers to create machinery that is efficient, precise, and capable of delivering optimal performance.
- Q: Can steel round bars be used in the oilfield equipment industry?
- Steel round bars have a wide range of applications in the oilfield equipment industry. They are highly favored for their remarkable strength, durability, and resistance to corrosion. In fact, they are extensively utilized in the manufacturing of numerous components and equipment, including drill collars, drill bits, valves, and pump shafts. By incorporating steel round bars, the oilfield industry ensures that its equipment can endure the severe conditions and immense pressures encountered during operations. Furthermore, steel round bars can be effortlessly welded and machined to meet particular specifications, adding to their versatility and making them an optimal selection for the oilfield sector.
- Q: Are steel round bars suitable for the production of crankshafts?
- Indeed, steel round bars serve as a fitting choice for the fabrication of crankshafts. Due to their remarkable strength and durability, steel round bars find extensive use in the manufacturing process of crankshafts. The demanding conditions encountered by crankshafts during engine operation necessitate their ability to endure substantial stress and load. In this regard, steel round bars possess the essential mechanical properties to withstand such circumstances. The desired shape and dimensions required for crankshaft production can be achieved by either forging or machining steel round bars. Notably, steel showcases exceptional resistance to fatigue, a critical characteristic for crankshafts as they undergo cyclic loading. Consequently, steel round bars have garnered recognition as a suitable and universally embraced material for crankshaft production across diverse industries, including automotive and engineering.
- Q: The diameter of 20 solid round steel bend into a circle, what machine bending?
- Gear type steel bar benderStructure: gear type steel bending machine mainly consists of several motors, gear reducer, work mechanism and electrical control system. It changed the traditional worm gear drive, and increased the angle automatic control mechanism and brake device.Operation principle: the gear type steel bar bender is driven by a motor with braking, which drives the working disc to rotate. The two inserting seats on the left and right of the working mechanism can be adjusted by the hand wheel without bending, and can be bent and bent with different specifications of the steel bar. The angle is controlled by several different institutions and primary angle limit pin with each other and realize. When the steel bar is bent to the preselected angle, the limit pin touches the travel switch, causes the motor to stop and reverse, recover to the original position, and complete the bending process of the steel bar. In addition, the electric control system also has the characteristics of inching, automatic state, two-way control, instantaneous braking, emergency stop, rapid system short circuit protection, motor overheat protection, etc..
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42CrMO SCM440 Forged or Hot Rolled Sae 4140 Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 70 m.t.
- Supply Capability:
- 2000000 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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