C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
Product Description of C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
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: What is the difference between a centerless ground and a rough turned steel round bar?
- The manufacturing processes and resulting surface finishes of a centerless ground steel round bar and a rough turned steel round bar differ. To produce a centerless ground steel round bar, the bar is fed through a grinding machine. This machine removes material from the surface, achieving precise diameter and roundness tolerances. The bar is rotated between two grinding wheels, while pressure is applied to remove imperfections and create a smooth, polished surface. The end result is a highly accurate and consistent diameter, with a mirror-like finish. This makes it suitable for applications that require tight tolerances and a polished appearance. On the other hand, a rough turned steel round bar is manufactured using a different machining process called turning. In this process, the bar is rotated against a cutting tool, which removes material from the surface to achieve the desired diameter and shape. However, turning does not provide the same level of precision and surface finish as centerless grinding. The resulting surface of a rough turned bar will have visible tool marks and a rougher texture compared to a centerless ground bar. In conclusion, the main distinction between a centerless ground steel round bar and a rough turned steel round bar lies in their manufacturing processes and resulting surface finishes. Centerless grinding offers a more precise diameter, roundness, and smoother surface finish, making it ideal for applications that require tight tolerances and a polished appearance. Rough turning, while less precise and with a rougher surface finish, is still suitable for applications that do not require the same level of precision or aesthetic appeal.
- Q: Can steel bars be replaced by large screws in the concrete floor?
- Tensile strength, extensibility, yield point! The same thread can be used instead!Of course, the number of roots must also be the same ~ only specifications vary!
- Q: What is the maximum chromium content allowed for steel round bars?
- The maximum chromium content allowed for steel round bars typically depends on the specific grade or specification being used. However, in general, stainless steel round bars often have a maximum chromium content of around 20-30%, while for carbon or alloy steels, the chromium content is usually lower, typically less than 2%.
- Q: How do you identify the grade of a steel round bar?
- There are several ways to determine the grade of a steel round bar. First, examining the markings or labels on the bar itself can provide valuable information. Manufacturers often imprint or etch the grade directly onto the bar's surface. These markings usually include details like the grade designation (e.g., 304, 316, 4140), which represents the specific alloy composition, and may also include additional information such as the heat or lot number. Another method involves consulting the mill test certificate (MTC) that comes with the steel round bar. The MTC provides extensive information about the composition, mechanical properties, and other relevant specifications of the material. Typically, the steel mill or supplier issues the MTC, and it can be requested at the time of purchase. Additionally, the grade of a steel round bar can be determined through visual inspection and physical testing. Visual inspection entails examining the bar's appearance, texture, and color. Different grades of steel exhibit distinct characteristics, such as a glossy or matte finish, specific surface treatments, or variations in color due to varying alloying elements. Physical testing methods, such as tensile or hardness testing, can further confirm the steel grade. These tests measure the material's mechanical properties, including its strength, ductility, and hardness. By comparing the test results with established standards and specifications for different steel grades, it is possible to identify the grade of the round bar. In conclusion, to ascertain the grade of a steel round bar, one can inspect the markings, refer to the mill test certificate, visually assess the bar, and conduct physical tests to evaluate its mechanical properties.
- Q: How do you measure the hardness of a steel round bar?
- The hardness of a steel round bar can be measured using various methods, with the most common method being the Rockwell hardness test. This test involves applying a specific load to an indenter and measuring the depth of the indentation left on the material's surface. To measure the hardness of a steel round bar using the Rockwell hardness test, the following steps can be followed: 1. Select the appropriate Rockwell scale for the steel being tested. The most commonly used scales for steel are HRC (Rockwell C) and HRB (Rockwell B). 2. Clean the surface of the steel round bar to remove any dirt, oil, or contaminants that could affect the accuracy of the test. 3. Place the steel round bar on a flat and stable surface, ensuring it is properly supported to prevent any movement during testing. 4. Select the appropriate indenter for the chosen Rockwell scale. For HRC, a diamond cone indenter is typically used, while for HRB, a hardened steel ball is used. 5. Apply a preliminary minor load to the indenter, typically 10 kgf (kilogram-force) for HRC and 3 kgf for HRB. This helps ensure proper contact between the indenter and the material's surface. 6. Apply the major load, which is specific to the chosen Rockwell scale. For HRC, it is typically 150 kgf, while for HRB, it is usually 100 kgf. 7. Allow the major load to dwell for a specific period, typically 15 seconds, to ensure proper indentation. 8. Release the major load while keeping the minor load applied. This allows the indenter to partially recover, reducing the depth of the indentation. 9. Measure the depth of the remaining indentation using a microscope or a specialized Rockwell hardness testing machine. The measured value corresponds to the hardness value on the chosen Rockwell scale. It is important to note that the Rockwell hardness test is just one of several methods available to measure the hardness of a steel round bar. Other methods, such as the Brinell hardness test or the Vickers hardness test, may also be used depending on the specific requirements of the application.
- Q: What is the difference between 40Cr round steel and 40Cr steel forgings?
- The casting process constructed a fine grain structure and improved the physical properties of the metal. The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.
- Q: Are steel round bars suitable for decorative purposes?
- Indeed, decorative purposes can be served by steel round bars. Steel, being a versatile and durable material, can be molded and crafted into numerous designs and patterns. The application of steel round bars extends to the creation of decorative elements like railings, furniture, sculptures, and architectural details. The polished and lustrous surface of steel contributes a contemporary and elegant touch to any area. Moreover, the strength and longevity associated with steel make it a pragmatic option for decorative endeavors, as it can endure environmental conditions and preserve its visual appeal throughout time.
- Q: What is the resistance to fatigue of a steel round bar?
- The resistance to fatigue of a steel round bar refers to its ability to withstand repeated loading and unloading cycles without experiencing failure or deformation. Fatigue resistance is an essential mechanical property for materials used in various applications, including structural components, machinery, and automotive parts. The resistance to fatigue of a steel round bar depends on several factors, including the specific grade of steel, its microstructure, surface condition, and the applied loading conditions. Steel is generally known for its excellent fatigue resistance compared to other materials, which is one of the reasons for its widespread use in various industries. Steel's resistance to fatigue can be attributed to its high strength, ductility, and the presence of various alloying elements. These factors allow steel to withstand cyclic loading without undergoing significant deformation or weakening. Additionally, the microstructure of the steel, such as grain size and distribution, also plays a crucial role in determining its fatigue resistance. To evaluate the fatigue resistance of a steel round bar, engineers typically perform fatigue tests, such as the rotating beam or axial loading tests. These tests involve subjecting the steel bar to controlled cyclic loading and measuring the number of cycles it can withstand before failure occurs. The results of these tests are used to determine the fatigue strength or fatigue limit of the steel, which represents the maximum stress level it can endure indefinitely without failure. It is important to note that the fatigue resistance of a steel round bar can vary depending on factors such as surface defects, stress concentration, and environmental conditions. Therefore, proper design considerations, such as surface treatments, stress reduction techniques, and appropriate loading specifications, are essential to ensure the desired fatigue performance of the steel round bar in specific applications.
- Q: Can steel round bars be used in the manufacturing of hydraulic components?
- Yes, steel round bars can be used in the manufacturing of hydraulic components. Steel is a common material used in the construction of hydraulic components due to its strength, durability, and resistance to corrosion. Steel round bars can be shaped and machined to create various hydraulic components such as pistons, cylinders, valves, and fittings. The use of steel round bars ensures that these components can withstand high pressures and continue to function effectively in various hydraulic systems.
- Q: What is the difference between a ground and a polished steel round bar?
- A ground steel round bar and a polished steel round bar differ in their surface finish and appearance. A ground steel round bar is subjected to a grinding process, where a grinding wheel or belt is used to remove any surface imperfections, such as roughness or irregularities. This process results in a smooth and even surface finish. Ground steel round bars are often used in applications where precision and tight tolerances are required, such as in machinery or automotive components. On the other hand, a polished steel round bar undergoes a polishing process, where abrasive materials such as polishing compounds or buffing wheels are used to create a high shine and reflective surface. This process enhances the aesthetics of the steel bar, making it more visually appealing. Polished steel round bars are commonly used in decorative applications, architectural projects, or in industries where a visually pleasing appearance is desired, such as jewelry or interior design. In summary, while both ground and polished steel round bars serve different purposes, the main difference lies in their surface finish. Ground steel round bars prioritize precision and smoothness, while polished steel round bars prioritize a shiny and reflective appearance.
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C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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