HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 77 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness ,hardness, high temperature hardness.Carbon steel rod applies to chemical industry, shipping industry,manufacturing industry,construction,decorate Industry,electric power,pump shafts, sanitary wares,furniture handles,boiler,high temperature resistant,low temperature resistant, corrosion resistant.
Festures of steel round bar:
Anneal temperature: 840-860
Relief annealing temperature: 720-760
Hardening temperature: 1210-1230
Hardening medium: salt bath under 600,aslo use oil cooling or air cooling
Specifications of steel round bar:
| C | Si | Mn | W | Mo | Cr | V | P | S |
| 0.80-0.90 | 0.20-0.45 | 0.15-0.40 | 5.50-6.75 | 4.50-5.50 | 3.80-4.40 | 1.75-2.20 | ≤0.030 | ≤0.030 |
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
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.
- Q: What are the different surface finishes for stainless steel round bars?
- Stainless steel round bars can have different surface finishes depending on the desired aesthetic appeal and functional requirements. Some of the common surface finishes for stainless steel round bars include: 1. Bright Annealed (BA): This is a smooth and highly reflective finish achieved by annealing in a controlled atmosphere. It provides a mirror-like appearance and is often used for decorative applications. 2. Mill Finish: Also known as hot rolled or hot-rolled annealed and pickled (HRAP), this is the untreated surface finish directly from the mill. It has a rough and pitted texture and is commonly used for industrial applications where appearance is not the primary concern. 3. Satin Finish: Also referred to as brushed or dull polished finish, this finish is achieved by brushing the surface of the stainless steel round bar with a fine abrasive material. It creates a soft and matte appearance with visible parallel lines. 4. Polished Finish: This finish is achieved by using progressively finer abrasive materials to polish the surface of the stainless steel round bar. It results in a high-gloss, mirror-like finish that is commonly used for decorative purposes. 5. Ground Finish: This finish is achieved by grinding the surface of the stainless steel round bar using abrasive belts or wheels. It creates a uniform and smooth surface with a matte appearance. 6. Bead Blasted Finish: This finish is achieved by bombarding the surface of the stainless steel round bar with small glass beads at high pressure. It creates a uniform and matte appearance with a slightly textured feel. 7. Electropolished Finish: This finish is achieved by immersing the stainless steel round bar in an electrolytic bath and applying an electric current. It removes a thin layer of material, resulting in a smooth and shiny surface with improved corrosion resistance. Each surface finish has its own unique characteristics and is chosen based on the specific requirements of the application.
- Q: How do steel round bars perform in high-pressure applications?
- Steel round bars perform well in high-pressure applications due to their high tensile strength and excellent resistance to deformation. They are able to withstand the extreme forces and pressures without compromising their structural integrity. Additionally, steel round bars also exhibit good corrosion resistance, making them suitable for various high-pressure environments, such as hydraulic systems, pressure vessels, and pipelines.
- 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: How do you prevent scaling of steel round bars during heat treatment?
- To prevent scaling of steel round bars during heat treatment, there are several measures that can be taken: 1. Use a protective atmosphere: Heat treatment can be carried out in a controlled atmosphere, such as in a furnace with a controlled gas environment. This prevents the exposure of the steel bars to oxygen, which is the primary cause of scaling. 2. Apply a protective coating: Coating the steel round bars with a protective substance, such as a refractory material or a thin layer of paint, can help prevent scaling. This coating acts as a barrier between the steel and the oxygen in the atmosphere, reducing the chances of scaling. 3. Use a reducing atmosphere: Instead of using a normal atmospheric environment, heat treatment can be conducted in a reducing atmosphere. This involves introducing gases like hydrogen or nitrogen into the furnace, which react with the oxygen to create a more controlled environment and prevent scaling. 4. Control the heating rate: Rapid heating can lead to increased scaling due to the sudden exposure of the steel to high temperatures. By controlling the heating rate, such as using a gradual ramp-up in temperature, scaling can be minimized. 5. Limit the exposure time: Minimizing the time that the steel round bars are exposed to high temperatures can help prevent scaling. This can be achieved by optimizing the heat treatment process and ensuring that the bars are not held at elevated temperatures for longer than necessary. 6. Clean the surface before heat treatment: Prior to heat treatment, it is crucial to remove any contaminants or residues from the surface of the steel round bars. This can be done through mechanical cleaning methods like wire brushing or chemical cleaning techniques, ensuring a clean surface that is less prone to scaling. By implementing these preventative measures, the scaling of steel round bars during heat treatment can be effectively minimized, leading to improved quality and performance of the treated bars.
- Q: What are the different types of steel round bar machining processes?
- There are several different types of steel round bar machining processes, each with its own unique characteristics and applications. Some of the most common types include: 1. Turning: This process involves rotating the steel round bar against a cutting tool, which removes material to create the desired shape. Turning is often used to create cylindrical shapes or to remove excess material from the surface. 2. Drilling: Drilling is a machining process that involves creating holes in the steel round bar using a rotating cutting tool. This process is commonly used to create holes for bolts or other fasteners. 3. Milling: Milling is a versatile machining process that involves removing material from the surface of the steel round bar using a rotating cutting tool. This process can be used to create complex shapes, slots, or grooves. 4. Grinding: Grinding is a machining process that uses an abrasive wheel to remove material from the surface of the steel round bar. This process is often used to achieve a smooth finish or to remove any imperfections on the surface. 5. Boring: Boring is a process that involves enlarging an existing hole in the steel round bar using a cutting tool. This process is commonly used to create larger diameter holes or to achieve greater precision. 6. Knurling: Knurling is a machining process that involves creating a pattern of ridges or grooves on the surface of the steel round bar. This process is often used to improve grip or to create a decorative effect. 7. Thread cutting: Thread cutting is a process that involves creating external or internal threads on the surface of the steel round bar. This process is commonly used to create threaded holes or to create threaded fasteners. These are just a few examples of the different types of steel round bar machining processes. Each process has its own advantages and limitations, and the choice of which process to use will depend on the specific requirements of the application.
- Q: What is the maximum vanadium content allowed for steel round bars?
- The allowed vanadium content in steel round bars varies depending on the specific steel grade and industry standards, with different regulations or customer requirements for different steel grades and applications. Vanadium is commonly used as an alloying element in steel to enhance its strength, hardness, and corrosion resistance. Generally, the maximum vanadium content in steel round bars falls between 0.02% and 0.25%. To determine the maximum allowed vanadium content for steel round bars, it is essential to consult the relevant standards and specifications for the specific steel grade and application.
- Q: Can steel round bars be recycled?
- Yes, steel round bars can be recycled. Steel is a highly recyclable material, and this includes steel round bars. Recycling steel round bars involves collecting the scrap material, melting it down, and then reshaping it into new steel products. This process can be done repeatedly without compromising the quality or strength of the steel. Recycling steel round bars not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions compared to producing new steel. It is an environmentally friendly option that helps to promote sustainability and reduce waste.
- Q: What is the cost of steel round bars compared to other materials?
- The cost of steel round bars can vary depending on the specific type of steel and current market conditions. Generally, steel round bars tend to be more cost-effective compared to other materials such as aluminum or titanium, especially when considering their strength and durability. However, it is always recommended to compare prices and quality from different suppliers to get a more accurate understanding of the cost differences.
- Q: Are steel round bars suitable for the production of bearings?
- No, steel round bars are not suitable for the production of bearings. Bearings require specific materials with high hardness, wear resistance, and low friction characteristics, such as bearing steels or ceramics. Steel round bars do not possess these necessary properties, making them unsuitable for bearing production.
- Q: What are the advantages of using nickel-chromium alloy steel round bars?
- Using nickel-chromium alloy steel round bars in various applications offers several benefits. Firstly, these round bars possess outstanding corrosion resistance properties. The inclusion of nickel and chromium elements in the alloy enhances its ability to withstand corrosion from moisture, chemicals, and oxidation, making it suitable for use in challenging environments like marine applications, chemical processing plants, and oil refineries. Secondly, these round bars exhibit high temperature resistance. The combination of nickel and chromium in the alloy allows it to endure elevated temperatures without compromising its structural integrity. This makes them ideal for use in heat exchangers, furnaces, and other high-temperature applications. Furthermore, these round bars boast exceptional mechanical properties. They demonstrate excellent strength, toughness, and wear resistance, making them ideal for applications that require high load-bearing capabilities. Additionally, they exhibit good ductility, enabling easy machining and fabrication. Additionally, these round bars possess good electrical conductivity, making them suitable for electrical and electronic applications where conductivity is crucial, such as in the manufacturing of resistors, heating elements, and electrical connectors. Lastly, these round bars are readily available and cost-effective. Being a widely used material in various industries, they are easily accessible and can be obtained at competitive prices. In conclusion, the advantages of utilizing nickel-chromium alloy steel round bars encompass excellent corrosion resistance, high-temperature resistance, superior mechanical properties, good electrical conductivity, and cost-effectiveness. These characteristics make them the preferred choice for a wide range of applications in industries such as construction, automotive, aerospace, and electrical engineering.
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HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 77 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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