SCM440 Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 123 m.t.
- Supply Capability:
- 2005544 m.t./month
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Description of steel round bar:
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.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-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 different grades of tool steel round bars?
- Tool steel round bars are available in various grades, each offering unique properties and characteristics to suit specific applications. Some of the different grades of tool steel round bars include: 1. W1: This is a water-hardening tool steel with relatively low carbon content. It is known for its excellent toughness and good wear resistance. W1 tool steel round bars are commonly used for cutting tools and woodworking tools. 2. O1: O1 tool steel round bars are oil-hardening tool steel with high carbon content. They have good wear resistance, high toughness, and excellent dimensional stability. O1 tool steel is often used for punches, dies, and cutting tools. 3. A2: A2 tool steel round bars are air-hardening tool steel with medium carbon and chromium content. They offer good wear resistance, excellent toughness, and high dimensional stability. A2 tool steel is commonly used for blanking and forming dies, as well as shear blades. 4. D2: D2 tool steel round bars are high-carbon, high-chromium tool steel with excellent wear resistance and good toughness. They offer high resistance to abrasive wear and are often used for making cutting tools, punches, and forming dies. 5. M2: M2 tool steel round bars are high-speed steel with a significant amount of tungsten, molybdenum, and vanadium. They have exceptional wear resistance, high red hardness, and good toughness. M2 tool steel is typically used for high-speed cutting tools, drill bits, and machining tools. 6. S7: S7 tool steel round bars are air-hardening shock-resistant tool steel. They have high impact toughness, good wear resistance, and excellent heat resistance. S7 tool steel is commonly used for applications that require high shock resistance, such as chisels and hammers. These are just a few examples of the different grades of tool steel round bars available in the market. The choice of grade depends on factors such as the specific application, desired hardness, wear resistance, toughness, and heat resistance required. It is important to consult with a knowledgeable supplier or metallurgist to determine the most suitable grade for a particular application.
- Q: What are the advantages of using nickel-chromium-manganese alloy steel round bars?
- There are several advantages of using nickel-chromium-manganese alloy steel round bars in various applications. Firstly, this type of alloy steel offers excellent strength and durability. The combination of nickel, chromium, and manganese enhances the overall strength of the steel, making it resistant to wear, impact, and deformation. This is particularly beneficial in industries such as construction, manufacturing, and automotive, where the round bars are commonly used for structural support and load-bearing purposes. Secondly, nickel-chromium-manganese alloy steel round bars exhibit excellent corrosion resistance. The presence of nickel and chromium in the alloy composition makes it highly resistant to rust and oxidation, even in harsh environments or exposure to corrosive substances. This property is crucial in applications where the round bars are exposed to moisture, chemicals, or high temperatures, such as marine environments or chemical processing plants. Additionally, this type of alloy steel offers good weldability and machinability. The combination of nickel, chromium, and manganese provides a balanced composition that allows for easy welding and machining operations. This makes it convenient for fabricators and manufacturers to work with the round bars, enabling them to create complex shapes or structures without compromising the material's integrity. Moreover, nickel-chromium-manganese alloy steel round bars have excellent heat resistance. The presence of nickel and chromium in the alloy composition enhances its ability to withstand high temperatures without losing its strength or shape. This property makes it suitable for applications that involve exposure to extreme heat, such as furnace components, heat exchangers, or high-temperature industrial processes. Lastly, the use of nickel-chromium-manganese alloy steel round bars often leads to cost savings in the long run. Due to their exceptional strength and durability, these round bars have a longer lifespan compared to other materials. This reduces the need for frequent replacements, resulting in lower maintenance costs and improved overall efficiency. In conclusion, the advantages of using nickel-chromium-manganese alloy steel round bars include excellent strength and durability, corrosion resistance, weldability, machinability, heat resistance, and long-term cost savings. These properties make them a preferred choice in various industries where high-performance materials are required.
- Q: What are the different types of steel round bars used in the defense industry?
- There are various types of steel round bars used in the defense industry, including but not limited to carbon steel, alloy steel, stainless steel, and tool steel. Each type has specific properties that make them suitable for different applications within the defense sector.
- Q: Difference between round bar and other steel bars
- It is divided into three kinds: hot rolling, forging and cold drawing. Round steel (grade 1 steel) belongs to ordinary low carbon steel, and most other steel bars are alloy steel. Round steel is of low strength and high strength of other steel.
- Q: Can steel round bars be used for hydraulic applications?
- Yes, steel round bars can be used for hydraulic applications. Steel round bars offer high strength and durability, making them suitable for use in hydraulic systems that require robust components to handle high pressures and loads. Additionally, steel round bars can be easily machined and welded to meet specific hydraulic application requirements.
- Q: What are the weight calculations for steel round bars?
- The weight calculations for steel round bars depend on the diameter and length of the bar. The formula used to calculate the weight is weight = volume × density, where volume = π × (diameter/2)² × length and density = 7.85 g/cm³.
- Q: What are the typical yield strengths of different grades of steel round bars?
- The typical yield strengths of different grades of steel round bars can vary greatly depending on the specific grade and its intended application. However, common grades such as A36, A572, and A514 typically have yield strengths ranging from 36,000 to 100,000 pounds per square inch (psi).
- Q: How do steel round bars perform under bending or flexing forces?
- Steel round bars are highly resistant to bending or flexing forces due to their strong and rigid nature. They can withstand significant loads without deforming or breaking, making them ideal for applications that require structural integrity and durability.
- Q: What are the advantages of using sulfur-alloy steel round bars?
- Sulfur-alloy steel round bars offer several benefits. Firstly, they have superior machinability compared to other steel types. Adding sulfur to the alloy reduces friction between the tool and workpiece, resulting in smoother cutting and lower cutting forces. This simplifies and improves the efficiency of machining, saving time and reducing costs. Secondly, sulfur-alloy steel round bars possess excellent chip-breaking properties. The sulfur content encourages the formation of small, brittle sulfide inclusions within the steel, which act as effective chip breakers during machining. These inclusions break the chips into smaller pieces, preventing tangling and issues like built-up edges or poor surface finish. Another advantage is the improved surface finish of sulfur-alloy steel round bars. The sulfur content in the alloy minimizes the occurrence of built-up edges or burrs during machining. As a result, a smoother and more precise surface finish is achieved, which is particularly crucial for applications that require aesthetics or tight tolerances. Moreover, sulfur-alloy steel round bars exhibit good wear resistance. The sulfur content forms hard sulfide inclusions that enhance the hardness and wear resistance of the steel. This makes it suitable for applications subjected to abrasive wear, such as gear or bearing manufacturing. Lastly, sulfur-alloy steel round bars are frequently more cost-effective compared to other high-performance alloys. Adding sulfur is a relatively inexpensive process, making sulfur-alloy steel a more affordable option for many applications. This makes it an appealing choice for industries that require high-quality steel while considering costs. In conclusion, the benefits of using sulfur-alloy steel round bars include improved machinability, enhanced chip-breaking properties, better surface finish, good wear resistance, and cost-effectiveness. These advantages make sulfur-alloy steel round bars a popular choice in various industries, including automotive, aerospace, and manufacturing.
- Q: What is the tensile strength of steel round bars?
- The tensile strength of steel round bars varies depending on the specific grade or type of steel used. On average, steel round bars possess a tensile strength ranging from 400 to 500 megapascals (MPa). This implies that steel round bars can endure a pulling or stretching force of 400 to 500 MPa before undergoing permanent deformation or fracturing. It is worth mentioning that varying grades of steel, such as mild steel, carbon steel, or alloy steel, may exhibit different tensile strength values. Moreover, factors like heat treatment, manufacturing process, and round bar size can also impact its tensile strength. Therefore, it is advisable to seek accurate and precise information regarding the tensile strength of a particular steel round bar from the specific manufacturer or supplier.
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SCM440 Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 123 m.t.
- Supply Capability:
- 2005544 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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