Hot Rolled Carbon Steel Round Bars S40C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 120000 m.t./month
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Hot Rolled Carbon Steel Round Bars S40C
Product Specification
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| S40C | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.25 | ≤0.25 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Reduction of Area ψ | impact absorbing energy |
| ≥570 Mpa | ≥335 Mpa | ≥45% | ≥47 Aku2/J |
3, Diameter: 16mm - 300mm
Length: Max 12m
Application
Used to produce axis shaft, transmission shaft, piston rod, connecting rod, chain wheel, wheel gear, etc.
Product Main Points
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
FAQ
1, Payment Terms:
30% T/T deposit & 70% T/T before delivery.
Irrevocable L/C at sight
2, Trade Terms:
EXW, FOB, CIF, CNF
3, Delivery Time:
Normally 30-40 days. According to quantity.
4, Manufacture or Trading Company:
CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.
There are about 20 overseas locations in different countries.
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About Us
- Q:What kind of steel pipe is round steel?
- A round bar is not a steel tube. In brief, its section is round, but it is solid, and the cross section of the pipe is hollow.
- Q:How are steel round bars used in the manufacturing of conveyor systems?
- Steel round bars are commonly used in the manufacturing of conveyor systems as they provide the necessary strength and durability for supporting heavy loads, guiding conveyor belts, and maintaining stability. These bars are often used as support beams, rollers, and shafts within the conveyor system, ensuring efficient movement of materials along the production line.
- Q:What are the different types of defects that can occur in steel round bars?
- Steel round bars can experience a range of defects that differ in severity and impact on overall quality and performance. Common types of defects include surface defects, internal defects, dimensional defects, decarburization, lamination, and incomplete heat treatment. Surface defects, such as scratches, pits, and scaling, are visible on the external surface of the bar. While these defects may not compromise the bar's structural integrity, they can affect its aesthetic appeal and potentially lead to corrosion if not addressed properly. Internal defects, like voids, inclusions, and segregation, occur within the body of the bar. These defects can weaken the bar's mechanical properties, jeopardize its structural integrity, and even cause cracking or failure under stress. Dimensional defects refer to variations in the size or shape of the bar, such as differences in diameter, length, or straightness. These defects can occur during manufacturing and can impact the bar's functionality and compatibility with other components. Decarburization is a defect that arises when the surface layer of the bar loses carbon due to exposure to high temperatures during manufacturing or heat treatment. This defect weakens the bar's hardness and strength, making it more susceptible to wear, fatigue, or failure. Lamination defects occur when there are layers or separations within the bar, often resulting from inadequate rolling or processing techniques. These defects reduce the bar's strength and ductility, making it prone to fracture or failure. Incomplete heat treatment can occur if the process is not performed correctly or if there are inconsistencies in cooling or reheating. This can lead to variations in hardness, strength, or toughness along the length of the bar. Manufacturers and quality control teams employ various testing and inspection methods to detect and mitigate these defects, ensuring that the bars meet the necessary standards and specifications. It is crucial to consider the specific application and requirements of the steel round bar when assessing the severity and impact of these defects.
- Q:What is the corrosion resistance of steel round bars?
- The corrosion resistance of steel round bars depends on the specific type of steel used and any additional coatings or treatments that have been applied. Generally, stainless steel round bars have excellent corrosion resistance due to their high levels of chromium and nickel, which form a protective oxide layer on the surface. However, carbon steel round bars are more susceptible to corrosion and may require additional protection such as galvanization or painting to enhance their resistance.
- Q:Can steel round bars be used in the production of power tools?
- Certainly! Steel round bars have the capability to be utilized in the manufacturing process of power tools. Steel, being a resilient and robust material, is frequently employed in the production of a wide range of tools and machinery, particularly power tools. The implementation of steel round bars can contribute to the creation of power tool bodies, handles, and other vital components, thereby enhancing stability, strength, and longevity. Power tool manufacturers often opt for steel with high tensile strength and resistance to wear and tear. Furthermore, steel possesses the advantage of being easily machinable, allowing for precise shaping and customization of power tool components. In summary, the utilization of steel round bars is a suitable and advantageous choice for the production of power tools due to their strength, durability, and versatility.
- Q:What is the difference between a rough turned and a precision ground steel round bar?
- A rough turned steel round bar refers to a steel bar that has undergone a rough machining process to remove excess material and bring the bar to a closer approximation of its final dimensions. This process typically involves removing the outer layer of the bar through turning or other machining methods. However, the bar is not yet finished to precise tolerances and may still have slight variations in diameter or surface roughness. On the other hand, a precision ground steel round bar has undergone a secondary machining process known as grinding. Grinding is a more precise and controlled method of removing material from the surface of the bar. It involves using a grinding wheel or abrasive tool to carefully remove small amounts of material, resulting in a bar with highly precise dimensions and a smoother surface finish. Precision ground bars are typically made to meet specific tolerances and have a more consistent diameter, surface finish, and straightness compared to rough turned bars. The main difference between a rough turned and a precision ground steel round bar is the level of precision and surface finish achieved. Rough turned bars are suitable for applications where tight tolerances and surface finish are not critical, such as in certain structural or machinery components. Precision ground bars, on the other hand, are preferred when precise dimensions, tight tolerances, and a smooth surface finish are required, such as in precision machining applications or where the bar will be used as a shaft or component in critical machinery or equipment.
- Q:40CrMo what is the round steel material?
- Requirements for the manufacture of 35CrMo steel with higher strength and conditioning section large forgings, such as locomotive traction gears, with supercharger drive gear, the rear axle, the connecting rod and the spring load greatly clip, 2000m can also be used for the following deep oil drill pipe joints and fishing tools etc..
- Q:What are the different surface roughness options for steel round bars?
- The different surface roughness options for steel round bars can vary depending on the manufacturing process and specific requirements. Some common surface finishes for steel round bars include smooth, turned and polished, ground, and rough. These options provide different levels of smoothness and surface texture to meet various industrial and aesthetic needs.
- Q:What are the different types of steel round bars used in the automotive drivetrain systems?
- There are several types of steel round bars commonly used in automotive drivetrain systems, including alloy steel, carbon steel, and stainless steel. These bars are chosen based on their specific properties and characteristics, such as strength, durability, and resistance to corrosion. The selection of the type of steel round bar depends on the specific application and requirements of the drivetrain system.
- Q:The 8 thread can replace the beam stirrups by steel
- First class steel is HPB235, that is, yield strength is 235mpa, elongation of grade steel is much larger than grade two steel, and the scientific name of grade two steel is HRB335, that is, yield strength is 335mpa, and grade two steel is higher than first grade steel. But also a high level of brittle than steel, as in seismic zone two structure beam is not replaced.
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Hot Rolled Carbon Steel Round Bars S40C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 120000 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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