HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2/H13
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 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.
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
Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temperature: 63-66
Production Capacity: 1000 Tons/Month
Tech:EAF+LF+VD+ESR
High strength at elevated temperatures
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: Are steel round bars corrosion resistant?
- Yes, steel round bars can be corrosion resistant depending on the specific type of steel used and the conditions they are exposed to. Some types of steel, such as stainless steel, contain alloying elements like chromium which create a protective layer that helps prevent corrosion. However, not all steel round bars are inherently corrosion resistant and may require additional coatings or treatments to enhance their resistance to corrosion.
- Q: What is the difference between seamless and welded steel round bars?
- Seamless and welded steel round bars differ primarily in the manufacturing process and the resulting characteristics of the final product. Seamless steel round bars are manufactured by piercing a solid billet of steel to create a hollow tube. This tube is then elongated and further processed to achieve the desired dimensions and surface finish. The seamless manufacturing process ensures that there are no welds or joints along the length of the bar. As a result, seamless steel round bars have a uniform composition and structure throughout, providing excellent strength and reliability. They are often preferred when high pressure or high-temperature applications are involved, as they offer better resistance to internal and external pressure. On the other hand, welded steel round bars are made by joining two or more pieces of steel together through welding techniques. This involves heating the ends of the steel pieces and fusing them together using various welding methods, such as arc welding, resistance welding, or fusion welding. The welding process introduces a weld seam along the length of the bar, which can affect its structural integrity and mechanical properties. Welded steel round bars may have slightly lower strength and toughness compared to seamless bars, as the presence of the weld seam can create stress concentrations. However, they are generally more cost-effective and readily available in a wide range of sizes and grades. In summary, the main difference between seamless and welded steel round bars lies in their manufacturing process and resulting characteristics. Seamless bars are produced by piercing a solid billet, offering uniform composition and strength throughout, making them suitable for high-pressure and high-temperature applications. Welded bars, on the other hand, are created by joining multiple pieces of steel through welding, introducing a weld seam that can slightly affect their strength and toughness. Welded bars are often more cost-effective and readily available in various sizes and grades.
- Q: What is the difference between a seamless and a turned steel round bar?
- The manufacturing process and resulting characteristics distinguish a seamless steel round bar from a turned steel round bar. To produce a seamless steel round bar, a solid steel billet is pierced, typically through hot rolling. This creates a hollow tube-like structure that is then elongated and shaped into the desired round bar form. The absence of welded joints or seams along its length gives the seamless bar a smooth and continuous surface. This manufacturing method improves the overall strength and durability of the round bar. In contrast, a turned steel round bar begins as a solid steel bar obtained through casting or hot rolling. The bar undergoes a machining process called turning, where it is rotated against a cutting tool to remove material and achieve the desired dimensions and shape. This turning process results in a round bar with a smooth and polished surface. However, there may be mill marks or slight imperfections due to the machining process, unlike a seamless round bar. Seamless steel round bars are often preferred in industries that require high strength and reliability, such as construction, automotive, and oil and gas. Their uniform structure and absence of welds make them highly resistant to cracking and failure under heavy loads or extreme conditions. On the other hand, turned steel round bars are commonly used in applications where a smooth surface finish is desired, such as decorative pieces or precision components for machinery. In summary, the main difference between a seamless and a turned steel round bar lies in their manufacturing process and resulting characteristics. While both provide a smooth surface finish, seamless round bars offer enhanced strength and reliability due to their seamless structure, whereas turned round bars are often chosen for their precise dimensions and aesthetic qualities.
- Q: How are steel round bars inspected for quality?
- Steel round bars are inspected for quality through various methods such as visual inspection, dimensional measurements, and non-destructive testing techniques. These inspections involve checking for surface defects, ensuring accurate dimensions, and detecting any internal flaws or inconsistencies. Additionally, quality control measures may include hardness testing, chemical analysis, and mechanical property evaluations to ensure the steel bars meet the required standards and specifications.
- Q: Can steel round bars be used for construction purposes?
- Yes, steel round bars can be used for construction purposes. Steel round bars are commonly used in construction for various applications such as reinforcement in concrete structures, as support for beams and columns, and as structural components in bridges, buildings, and infrastructure projects. The high tensile strength and durability of steel make it an ideal choice for construction purposes, as it can withstand heavy loads, provide stability, and ensure the longevity and safety of the structures. Additionally, steel round bars are versatile and can be easily fabricated and customized to meet specific project requirements. Therefore, steel round bars are widely used in the construction industry due to their excellent mechanical properties, reliability, and cost-effectiveness.
- Q: Can steel round bars be used for making hydraulic cylinders or pistons?
- Absolutely! Hydraulic cylinders or pistons can definitely be made using steel round bars. Steel, being a robust and long-lasting material, has the ability to endure the immense pressures and heavy loads that hydraulic cylinders and pistons usually encounter. It is possible to machine or shape the steel round bars into the desired dimensions for the hydraulic cylinder or piston. Furthermore, steel possesses excellent corrosion resistance properties, which is crucial for hydraulic systems that may come into contact with moisture or other corrosive substances. All in all, steel round bars are an ideal choice of material for the production of hydraulic cylinders and pistons.
- Q: What are the applications of steel round bars in the aerospace industry?
- Steel round bars have various applications in the aerospace industry, primarily due to their high strength-to-weight ratio and excellent resistance to corrosion. They are commonly used in the construction of aircraft frames, landing gear components, and engine parts. Additionally, steel round bars are employed in the production of critical structural elements, such as wing spars and fuselage sections, ensuring the durability and safety of aerospace vehicles.
- Q: What are the different types of steel round bar sizes?
- There are various sizes available for steel round bars, each serving different purposes and applications. The most common steel round bar sizes range from 1/8 inch to 24 inches in diameter. These sizes are typically measured in inches, with each increment representing a larger diameter. For smaller projects or more intricate designs, steel round bars in sizes ranging from 1/8 inch to 1 inch are often used. These smaller sizes are commonly found in jewelry making, crafting, and smaller construction projects. For larger-scale applications such as structural support, manufacturing, or industrial projects, steel round bars with sizes ranging from 1 inch to 24 inches are utilized. These larger sizes provide enhanced strength and durability, making them suitable for heavy-duty use. It's important to note that steel round bars can also be found in metric sizes, which are measured in millimeters. Metric sizes are commonly used in regions that follow the metric system, such as many countries in Europe and Asia. The selection of the appropriate steel round bar size depends on the specific requirements of the project, including load-bearing capacity, structural integrity, and overall design. It's recommended to consult with an engineer or industry professional to determine the best size for your specific application.
- Q: Are steel round bars suitable for use in the construction of bridges?
- Indeed, steel round bars prove to be a suitable choice for the construction of bridges. Offering a multitude of advantages, they are an ideal option for such projects. To begin with, steel round bars exhibit remarkable tensile strength, enabling them to withstand substantial loads and forces without undergoing deformation or breakage. This attribute holds paramount importance for bridges, as they bear the weight of vehicles and pedestrians. By possessing high tensile strength, steel round bars ensure the structural integrity and safety of the bridge. Furthermore, steel round bars boast exceptional durability and resistance to corrosion. Considering the exposure of bridges to adverse environmental conditions like rain, snow, and saltwater, materials employed in their construction are susceptible to corrosion and deterioration. However, steel round bars are specifically designed to counteract these effects, guaranteeing the longevity and dependability of the bridge. Moreover, steel round bars are widely available in various sizes and lengths, catering to the versatility and adaptability required for different bridge designs and configurations. The uniform circular shape of these bars simplifies the construction process, enabling easy cutting, bending, and welding to meet the necessary specifications. In addition, steel round bars offer cost-effectiveness in bridge construction. Their favorable strength-to-weight ratio allows them to provide the required strength while minimizing the overall weight of the bridge. Consequently, this reduces the amount of material needed and lowers transportation costs during construction. In conclusion, steel round bars are highly suitable for bridge construction due to their high tensile strength, durability, corrosion resistance, versatility, and cost-effectiveness. They deliver the necessary strength and reliability to support heavy loads and withstand adverse environmental conditions, ensuring the safety and durability of the bridge.
- Q: Can steel round bars be used for making marine equipment?
- Certainly! Steel round bars are a viable option for the fabrication of marine equipment. Steel, being a versatile and resilient material, is extensively utilized in the maritime industry owing to its exceptional strength, resistance to corrosion, and capacity to endure harsh environmental conditions. By manipulating steel round bars, through machining, welding, and shaping, one can create a wide array of sizes and forms that precisely meet the unique specifications of marine equipment. Predominantly, these round bars are employed in the production of marine components such as propeller shafts, rudders, anchor chains, and structural supports. Moreover, to augment its resistance to corrosion, steel can be coated or treated, ensuring its suitability for prolonged exposure to saltwater and other corrosive elements prevalent in marine settings.
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HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2/H13
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 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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