Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A681, DIN 1.2379, SAE J437, J438
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- Loading Port:
- Tianjin
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- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Item specifice
Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
Product Description of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
Material | SCM4140 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:
- Medical equipment can indeed utilize steel round bars. This is because steel is a widely employed material in the production of medical devices and equipment. Its strength, durability, and versatility make it a popular choice. By utilizing steel round bars, one can fashion various components of medical equipment, including surgical instruments, orthopedic implants, diagnostic tools, and hospital furniture. Steel possesses desirable properties, such as resistance to corrosion and the ability to be sterilized, rendering it suitable for use in the medical sector where hygiene and patient safety are paramount. Furthermore, steel round bars can be easily machined and fabricated into different shapes and sizes, allowing for the customization of medical equipment to fulfill specific requirements.
- Q:
- The typical dimensions of a steel round bar can vary depending on the specific application and industry requirements. However, in general, steel round bars are commonly available in diameter sizes ranging from 1/4 inch to 24 inches. These dimensions are often measured in increments of 1/8 inch or 1/4 inch. The length of a steel round bar is typically standardized at 20 feet, although shorter lengths may also be available. It is important to note that these dimensions can vary significantly depending on the specific grade and type of steel being used, as well as the manufacturing process. Therefore, it is essential to consult the appropriate industry standards or consult with a supplier to determine the exact dimensions needed for a particular project.
- Q:
- Yes, steel round bars can definitely be used in the manufacturing of garden tools. Steel is a versatile and durable material that is commonly used in the production of various tools, including garden tools. Steel round bars can be shaped and formed into different types of garden tools such as shovels, rakes, hoes, and pruning shears. The strength and resistance of steel make it suitable for withstanding the rigors of outdoor use, including digging, cutting, and scraping. Additionally, steel can be easily sharpened and maintained, ensuring that the garden tools remain efficient and long-lasting.
- Q:
- Yes, steel round bars can be corrosion-resistant depending on the type of steel used and any additional protective coatings or treatments applied.
- Q:
- Yes, steel round bars can be used for making shafts. Steel round bars are commonly used for their strength, durability, and machinability, making them suitable for shaft applications in various industries such as automotive, construction, and manufacturing.
- Q:
- Yes, steel round bars can be used for making sway bars. Sway bars, also known as stabilizer bars or anti-roll bars, are used in vehicles to reduce body roll and improve stability when cornering. Steel round bars are commonly used for this purpose due to their high strength and durability. The round shape allows for even distribution of forces and provides torsional stiffness, which is crucial for sway bars to effectively control body roll. Additionally, steel is readily available, cost-effective, and can be easily fabricated into the desired shape and size for sway bar applications.
- Q:
- A rough turned steel round bar refers to a metal bar that has undergone a preliminary turning process, where excess material is removed to achieve a rougher surface finish. This process helps to create a more uniform diameter and removes any surface imperfections or irregularities. Rough turned bars are commonly used in applications where a smooth surface finish is not a requirement, such as in manufacturing machinery or agricultural equipment. On the other hand, a seamless steel round bar is a solid metal bar that is formed without any welding or seams. It is manufactured through a process called piercing, where a solid billet is heated and then pierced with a mandrel to create a hollow tube. The tube is then elongated and reduced in diameter through a series of rolling and drawing processes until it reaches the desired dimensions. Seamless round bars are known for their superior strength and resistance to corrosion, making them suitable for applications where a high level of performance is required, such as in the oil and gas industry or automotive manufacturing. In summary, the main difference between a rough turned and a seamless steel round bar lies in their manufacturing processes and surface finishes. Rough turned bars are created by removing excess material to achieve a rougher surface finish, while seamless bars are formed without any welding or seams, resulting in a smooth and continuous surface.
- Q:Why is round steel more expensive than thread steel?
- Thread steel is generally used for building convenience. Round steel is widely used in industrial manufacturing and processing. And, as mentioned above, there are many kinds of round steel materials, and there is not much comparability between the prices.
- Q:
- Some common surface defects that can occur in steel round bars include scratches, dents, pits, cracks, and scales. These defects can affect the overall integrity and quality of the steel and may need to be addressed or repaired before the bars can be used in various applications.
- Q:
- Steel round bars are made through a process called hot rolling, where steel billets are heated and then passed through a series of rollers to achieve the desired shape and size. This process helps to improve the strength and durability of the steel, making it suitable for various applications in construction, manufacturing, and engineering industries.
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