HSS Steel Round Bar /High Alloy Round Tool Steel Bar /M2 /M25 /M42 /D2 /H13
- 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
1. HSS (M2/W6Mo5Cr4V2/SKH-51/KM-2/1.3342/S600) Round Bar
a)Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness ,hardness, high temperature hardness.
b)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
Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temperature: 63-66
c)Production Capacity: 1000 Tons/Month
d)Tech:EAF+LF+VD+ESR
e)High strength at elevated temperatures
2. Chemical composition
| 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 |
3. Process condition
Forged + Annealed + Machining (Peeled/Turned)
Rockwell Hardness: 64-66
Quenching Temperature: 1190-1230
4. Available sizes
Diameter:20mm-80(85)mm(rolled round steel),90-350(400)mm(forged round steel)
Length: optional
5. Heat treatment
1.Annealing after forging:heat to 840-860°c,keep 2-4H,coolbelow to 500°c,hardness≤285HBS
2.Isothermal annealing after forging:heat to 540-860°c,keep temperature 2-4H,furnacecold to 740-760°c,keep temperature 4-6H,to 500°c,hardness≤255HBS.
6. Applications
Can be used in the manufacture of high capacity cutting tools to bear impact force ,such as gear shaper cutter, milling cutter,screw tap,drill bit etc.Also can be used in manufacture of large scale and thermoplasticity shaped cutting tools and antiabrasive cutting tools under high load
7. Packing situation
Standard seaworthy packing or as customers' requirement.
8. Delivery time
30 days after order is confirmed.
9. Products
- Q: How do steel round bars compare to other materials in terms of strength?
- Steel round bars are highly sought after in various industries due to their exceptional strength. When compared to other materials, steel round bars consistently outperform alternative options in terms of strength. This is primarily attributed to the unique properties of steel, such as its high tensile strength and toughness. In contrast to materials like aluminum or plastic, steel round bars offer unparalleled strength and durability. Steel possesses a significantly higher tensile strength, enabling it to withstand greater amounts of tension without deforming or breaking. This characteristic makes steel round bars ideal for applications that necessitate structural support or load-bearing capabilities. Additionally, steel round bars display excellent resistance to bending, shearing, and impact. This resilience allows them to endure heavy loads, vibrations, and external forces, rendering them suitable for use in industries such as construction, automotive, and manufacturing. Moreover, steel's high strength-to-weight ratio makes it an advantageous choice in weight-sensitive applications like aerospace or transportation. Furthermore, steel round bars can be engineered to possess specific properties, such as heat resistance or corrosion resistance. This further enhances their strength and versatility. By alloying steel with elements like chromium or nickel, it can acquire resistance to rust, oxidation, and other forms of deterioration. Consequently, this extends its lifespan and maintains its strength over time. In conclusion, steel round bars excel in terms of strength when compared to other materials. Their exceptional tensile strength, toughness, resistance to bending and impact, and ability to be tailored for specific applications make them a preferred choice in numerous industries.
- Q: Can steel round bars be used for making handrails?
- Indeed, handrails can be crafted using steel round bars. Owing to their robustness and longevity, steel round bars find widespread usage in construction and fabrication. These bars can be effortlessly molded and joined together through welding techniques, resulting in handrails that furnish support and ensure safety for staircases, balconies, and elevated spaces. Furthermore, steel round bars can be adorned with a variety of coatings or treatments, augmenting their resistance to corrosion and enhancing their visual appeal. In summary, steel round bars are a favored option for fabricating handrails due to their durability, adaptability, and capacity to endure rigorous utilization.
- Q: Can steel round bars be used for making transmission components?
- Steel round bars are a suitable choice for the fabrication of transmission components. Steel is extensively utilized in the manufacturing sector due to its exceptional strength, durability, and resistance to deterioration. In the production of transmission components like gears, shafts, and couplings, it is customary to employ round bars made of steel. These steel round bars are typically shaped through machining or forging and subsequently subjected to heat treatment to enhance their mechanical attributes. By utilizing steel round bars, the transmission components become capable of enduring substantial loads, facilitating seamless power transmission, and exhibiting an extended lifespan.
- Q: What are the advantages of using tungsten-alloy steel round bars?
- Tungsten-alloy steel round bars have become a popular choice in various industries due to their numerous advantages over other materials. Firstly, their exceptional strength and durability make them highly resistant to wear, deformation, and fatigue. By adding tungsten to the steel composition, the bars become significantly harder and tougher, enabling them to withstand heavy loads and high-pressure applications. This makes them ideal for industries such as aerospace, automotive, and construction. Another advantage of these round bars is their excellent heat resistance. Tungsten has one of the highest melting points among all elements, making it perfect for applications involving extreme temperatures. Whether it's furnace parts, cutting tools, or high-speed machinery, the heat resistance of tungsten-alloy steel round bars ensures that they maintain their structural integrity and performance in demanding environments. This reduces the risk of deformation or failure. Furthermore, these round bars possess superior corrosion resistance. The inclusion of tungsten in the steel alloy creates a protective oxide layer on the surface, acting as a barrier against corrosive elements, moisture, and chemicals. This corrosion resistance makes tungsten-alloy steel round bars highly suitable for applications in marine environments, chemical processing plants, and the oil and gas industry, where exposure to corrosive substances is common. Additionally, these round bars offer excellent machinability. Their hardness and toughness make them easy to shape, cut, and drill, allowing for precise machining and tight tolerances. This makes tungsten-alloy steel round bars suitable for manufacturing intricate components and parts that require high precision and accuracy. Lastly, the high density of tungsten-alloy steel round bars gives them unique properties, such as improved radiation shielding capabilities. This makes them invaluable in industries where radiation protection is crucial, such as nuclear power plants, medical equipment, and aerospace applications. In conclusion, the advantages of using tungsten-alloy steel round bars include exceptional strength and durability, excellent heat resistance, superior corrosion resistance, excellent machinability, and high density for radiation shielding. These advantages make tungsten-alloy steel round bars a reliable and versatile choice for various industries, ensuring optimal performance and longevity in challenging environments.
- Q: Are steel round bars suitable for structural applications?
- Yes, steel round bars are suitable for structural applications. They are commonly used in construction, engineering, and manufacturing industries for various structural purposes due to their high strength, durability, and versatility. Steel round bars provide excellent support and reinforcement in buildings, bridges, machinery, and other structural components.
- Q: What are the advantages of using case-hardening steel round bars?
- Case-hardening steel round bars offer several benefits for various applications. To begin with, these round bars possess a toughened outer layer, known as the "case," while maintaining a softer and more malleable core. This unique combination allows for exceptional surface wear resistance, making them highly suitable for situations where the material encounters abrasive or erosive forces. Furthermore, the hardened outer layer enhances the overall strength and durability of the round bars, thereby extending their lifespan. Another advantage of case-hardening steel round bars lies in their remarkable ability to withstand heavy impact loads. The hardened outer layer acts as a protective barrier, effectively absorbing and dispersing the energy from impacts, thus preventing any deformation or breakage. This makes them particularly well-suited for applications involving substantial loads or impacts, such as in the fields of machinery or construction equipment. Moreover, case-hardening steel round bars provide enhanced resistance against fatigue. The hardened surface layer aids in distributing stresses evenly, reducing the likelihood of cracks or fractures developing during cyclic loading conditions. Consequently, they prove to be an excellent choice for applications that demand long-term durability and the ability to withstand repeated stress, such as in automotive components or gears. Additionally, these round bars demonstrate excellent machinability. The soft and malleable core allows for easy cutting, drilling, and shaping, while the hardened surface ensures the necessary wear resistance. This aspect makes them both cost-effective and efficient to work with, enabling them to be effortlessly molded into various shapes and sizes to meet specific design requirements. In conclusion, the utilization of case-hardening steel round bars offers a plethora of advantages, including outstanding wear resistance, high impact load resistance, improved fatigue resistance, and excellent machinability. These characteristics render them a versatile and dependable choice for a wide array of applications across industries such as automotive, construction, and manufacturing.
- Q: How do steel round bars compare to brass round bars?
- Steel round bars and brass round bars have several key differences that make them suitable for different applications. Firstly, steel round bars are much stronger and more durable compared to brass round bars. Steel has a higher tensile strength, making it ideal for applications that require high strength and resistance to heavy loads. It is commonly used in construction, manufacturing, and automotive industries where strength and durability are crucial. On the other hand, brass round bars are known for their excellent corrosion resistance and electrical conductivity. Brass is an alloy of copper and zinc, which gives it a unique combination of properties. It is often used in applications that require good electrical conductivity, such as electrical connectors, plumbing fittings, and musical instruments. Brass also has an attractive golden appearance, making it a popular choice for decorative purposes. In terms of cost, steel round bars are generally more affordable compared to brass round bars. Steel is widely available and produced in large quantities, resulting in a lower cost per unit. Brass, being an alloy of copper, which is a relatively expensive metal, is generally more expensive. Another important factor to consider is machinability. Steel round bars are generally easier to machine and work with compared to brass round bars. Steel has good cutting and drilling properties, making it easier to fabricate into various shapes and sizes. Brass, on the other hand, tends to have a higher machinability rating, meaning it is easier to cut and shape compared to other metals. In summary, steel round bars are stronger, more durable, and generally more affordable than brass round bars. They are suitable for applications that require high strength and resistance to heavy loads. Brass round bars, on the other hand, offer excellent corrosion resistance, electrical conductivity, and an attractive appearance. They are commonly used in applications that require good electrical conductivity and for decorative purposes. The choice between steel and brass round bars ultimately depends on the specific requirements of the application.
- Q: What are the advantages of using nickel-molybdenum-chromium alloy steel round bars?
- Nickel-molybdenum-chromium alloy steel round bars offer several advantages. Firstly, they exhibit excellent corrosion resistance due to the addition of nickel and chromium. This enhances their ability to withstand oxidation and various corrosive environments, making them ideal for applications where exposure to moisture or chemicals is a concern. Secondly, the inclusion of molybdenum in the alloy strengthens and toughens it. This makes the nickel-molybdenum-chromium alloy steel round bars suitable for high-stress applications, such as in the construction of heavy machinery or structures that require durability and resistance to wear and tear. In addition, this alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its structural integrity, making it suitable for applications involving extreme heat, such as in the aerospace or power generation industries. Furthermore, nickel-molybdenum-chromium alloy steel round bars possess good weldability, allowing for ease of fabrication and versatility in various manufacturing processes. This makes them a preferred choice for engineers and manufacturers who require a material that can be easily formed or joined to create complex shapes or structures. Lastly, the nickel content in this alloy steel provides excellent resistance to cracking and brittleness, ensuring long-lasting reliability. This guarantees that the round bars will maintain their strength and structural integrity over an extended period, minimizing the risk of failure or breakage in critical applications. Overall, nickel-molybdenum-chromium alloy steel round bars offer enhanced corrosion resistance, improved strength and toughness, excellent heat resistance, good weldability, and high reliability. These qualities make them a preferred choice for a wide range of applications in industries such as construction, manufacturing, and aerospace.
- Q: Can steel round bars be used in the automotive parts industry?
- Yes, steel round bars can be used in the automotive parts industry. Steel round bars are commonly used in the manufacturing of various automotive components due to their excellent strength, durability, and resistance to wear and tear. These bars can be fabricated into different shapes and sizes to meet the specific requirements of automotive parts such as axles, drive shafts, suspension components, steering components, and gears. The use of steel round bars ensures the structural integrity and reliability of automotive parts, making them ideal for withstanding the demanding conditions and loads experienced in the automotive industry.
- Q: What is the difference between a seamless and a welded steel round bar?
- The main difference between a seamless and a welded steel round bar lies in their manufacturing process and the resulting structural integrity. A seamless steel round bar is produced by piercing a solid billet of steel and then rolling it into a round shape. This process ensures that there are no seams or welds in the bar, resulting in a smooth and continuous surface throughout its length. The absence of a weld eliminates the potential weaknesses and vulnerabilities associated with welded joints. Seamless steel bars are typically more uniform in composition and have a higher strength-to-weight ratio due to the absence of welds. On the other hand, a welded steel round bar is created by joining multiple pieces of steel together using various welding techniques. The steel pieces are heated and fused together at the edges to form a continuous bar. While the welding process provides flexibility in terms of length and diameter options, the presence of a weld can introduce certain structural concerns. Welded joints may be prone to defects, such as porosity or inclusions, which can compromise the overall strength and integrity of the bar. However, advancements in welding technology and quality control have significantly improved the reliability of welded steel round bars. In terms of applications, seamless steel round bars are often preferred in critical industries where high strength, reliability, and resistance to corrosion are essential. These industries may include oil and gas, aerospace, and automotive sectors. Welded steel round bars, on the other hand, are commonly used in less demanding applications where cost-effectiveness and availability are primary factors, such as construction, manufacturing, and general engineering. In summary, the key differences between seamless and welded steel round bars lie in their manufacturing process and resulting structural characteristics. Seamless bars are produced without any welds, offering a smoother surface, higher strength-to-weight ratio, and greater resistance to defects. Welded bars, while more cost-effective and readily available, may have weld-related vulnerabilities that need to be considered depending on the application. Ultimately, the choice between the two depends on the specific requirements and priorities of the intended use.
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HSS Steel Round Bar /High Alloy Round Tool Steel Bar /M2 /M25 /M42 /D2 /H13
- 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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