Carbon Structural Steel Round Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Round Bars SAE1018CR
PRODUCT USE
Carbon steel applies to chemical industry, shipping industry,manufacturing industry, construction, decorate industry, electric power, pump shafts, sanitary wares, furniture handles, boiler, high temperature resistant, low temperature resistant, corrosion resistant.
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:
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.
PRODUCT SHOW
PRODUCT SPECIFICATION
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| SAE1020CR | 0.15-0.20 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Elogation δ5 | Reduction of Area ψ | Hardness (no heat treatment) |
| ≥410(42) Mpa | ≥245(25) Mpa | ≥25 % | ≥55 % | ≤156HB |
ABOUT US
- Q: Difference between forging and round steel
- The advantages of a casting include an extensible length, a contracted cross section, a contracted length, an extended cross section, a variable length, and a variable cross section. The types of casting are free forging / hand forging, hot die forging / precision forging, top forging, roll forging and die forging.Forgings are not limited to round shapes.Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of them: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets.
- Q: How do you calculate the weight of a steel round bar based on its length and volume?
- To calculate the weight of a steel round bar based on its length and volume, you would need to know the density of steel, which is approximately 7.85 grams per cubic centimeter. First, calculate the volume of the round bar using the formula for the volume of a cylinder (pi * radius squared * length). Then, multiply the volume by the density to obtain the weight of the steel round bar.
- Q: What is the difference between a turned and a polished steel round bar?
- A turned steel round bar and a polished steel round bar both undergo separate processes that result in different surface finishes and properties. A turned steel round bar is typically created by using a lathe machine to remove material from the surface of a steel bar. This process involves rotating the bar against a cutting tool, which cuts away the outer layer and leaves behind a smooth and cylindrical surface. The turned bar may have visible machining marks due to the cutting process, although it is generally considered to have a more precise and uniform diameter compared to other types of steel bars. Turned bars are often used in applications where dimensional accuracy is crucial, such as in machinery or tooling. On the other hand, a polished steel round bar undergoes a different process that involves grinding or buffing the surface to achieve a smooth and reflective finish. Polishing removes any imperfections or roughness from the surface of the steel bar, resulting in a highly lustrous appearance. Polished bars are often used in decorative applications or where visual aesthetics are important, such as in architectural designs or high-end consumer products. In summary, the main difference between a turned and a polished steel round bar lies in their respective manufacturing processes and resulting surface finishes. A turned bar is machined to achieve precise dimensions, while a polished bar is subjected to a polishing process to obtain a smooth and reflective surface. The choice between the two depends on the specific requirements of the application, with turned bars being preferred for dimensional accuracy and polished bars for aesthetic appeal.
- Q: How do you straighten a bent steel round bar?
- To straighten a bent steel round bar, you can follow a few simple steps: 1. Assess the bend: Determine the severity and location of the bend in the round bar. This will help you decide which method to use for straightening. 2. Heat the bar: If the bend is not too severe, you can heat the bar using a blowtorch or a forge. Apply heat evenly across the bent area until it becomes red hot. Heating the bar will make it more malleable and easier to straighten. 3. Apply pressure: Once the bar is heated, you can use a vice or a hydraulic press to apply pressure on the bent section. Gradually increase the pressure until the bar starts to straighten. Be careful not to apply excessive force as it may cause the bar to break. 4. Use leverage: If the bend is not too severe, you can also use leverage to straighten the bar. Secure one end of the bar in a vice or clamp and apply force to the bent section in the opposite direction. Slowly and gently increase the force until the bar straightens. 5. Cold bending: If the bend is minor, you may be able to straighten the bar without applying heat. This method involves using a hammer or mallet to gently tap the bent area in the opposite direction until it straightens. Be cautious not to strike the bar too hard, as it may create new bends or fractures. 6. Check for straightness: After applying the straightening method, carefully inspect the bar to ensure it is straight. If there are any remaining bends, repeat the process until the bar is completely straight. Remember to wear appropriate safety gear, such as gloves and eye protection, when working with steel bars. It is also advisable to consult a professional if you are unsure about the straightening process or if the bar is severely bent.
- Q: Can steel round bars be used in the defense industry?
- Yes, steel round bars can be used in the defense industry. They are commonly utilized in various applications such as building military vehicles, manufacturing weapons, and constructing defense structures due to their strength, durability, and versatility.
- Q: What is the toughness of a steel round bar?
- The toughness of a steel round bar refers to its ability to resist fracture or deformation under stress. It is a measure of how well the steel can absorb energy and withstand impact without breaking. The toughness of a steel round bar depends on various factors such as the composition of the steel, its microstructure, and any heat treatment it has undergone. Generally, high-strength and alloy steels tend to have higher toughness due to their enhanced mechanical properties. Additionally, factors such as the presence of impurities, grain size, and the presence of any defects or cracks within the material can also affect its toughness. To determine the toughness of a steel round bar, tests such as the Charpy impact test or the Izod test are commonly performed to measure the energy absorbed by the material before it fractures. Overall, the toughness of a steel round bar is an important characteristic to consider when selecting a material for applications where high impact resistance is required, such as in construction, automotive, or aerospace industries.
- Q: What are the advantages of using case-hardening steel round bars?
- Case-hardening steel round bars offer several benefits for various applications. To begin with, these round bars possess a toughened outer layer, known as the "case," while maintaining a softer and more malleable core. This unique combination allows for exceptional surface wear resistance, making them highly suitable for situations where the material encounters abrasive or erosive forces. Furthermore, the hardened outer layer enhances the overall strength and durability of the round bars, thereby extending their lifespan. Another advantage of case-hardening steel round bars lies in their remarkable ability to withstand heavy impact loads. The hardened outer layer acts as a protective barrier, effectively absorbing and dispersing the energy from impacts, thus preventing any deformation or breakage. This makes them particularly well-suited for applications involving substantial loads or impacts, such as in the fields of machinery or construction equipment. Moreover, case-hardening steel round bars provide enhanced resistance against fatigue. The hardened surface layer aids in distributing stresses evenly, reducing the likelihood of cracks or fractures developing during cyclic loading conditions. Consequently, they prove to be an excellent choice for applications that demand long-term durability and the ability to withstand repeated stress, such as in automotive components or gears. Additionally, these round bars demonstrate excellent machinability. The soft and malleable core allows for easy cutting, drilling, and shaping, while the hardened surface ensures the necessary wear resistance. This aspect makes them both cost-effective and efficient to work with, enabling them to be effortlessly molded into various shapes and sizes to meet specific design requirements. In conclusion, the utilization of case-hardening steel round bars offers a plethora of advantages, including outstanding wear resistance, high impact load resistance, improved fatigue resistance, and excellent machinability. These characteristics render them a versatile and dependable choice for a wide array of applications across industries such as automotive, construction, and manufacturing.
- Q: Can steel round bars be used in the manufacturing of mining equipment?
- Yes, steel round bars can be used in the manufacturing of mining equipment. Steel round bars are often used as a raw material in the fabrication of various components and parts for mining equipment due to their high strength, durability, and resistance to wear and tear. These bars can be machined, forged, or welded into different shapes and sizes to meet the specific requirements of mining equipment, such as drill bits, conveyor systems, crushers, and support structures.
- Q: Can steel round bars be used for making automotive chassis?
- Certainly, automotive chassis can be constructed using steel round bars. Due to its impressive strength and durability, steel is a prevalent material in the production of automotive chassis. The utilization of round bars made from steel ensures outstanding structural integrity, allowing them to endure the immense loads and forces that a vehicle's chassis encounters. Moreover, incorporating steel round bars in automotive chassis contributes to enhancing the overall safety of the vehicle by providing a robust and inflexible frame. Furthermore, steel is reasonably affordable and easily accessible, rendering it a favored selection for automotive manufacturers.
- Q: Can steel round bars be used in the food processing industry?
- Yes, steel round bars can be used in the food processing industry. Steel is a common material used in various industries due to its strength, durability, and resistance to corrosion. In the food processing industry, steel round bars are often used for equipment such as food mixers, conveyors, and cutting tools. These bars are typically made from stainless steel, which is a specific type of steel that contains chromium and other elements to enhance its resistance to corrosion and staining. Stainless steel is non-reactive and does not impart any flavors or odors to the food being processed. Furthermore, it is easy to clean and maintain, making it suitable for use in food processing facilities where hygiene is of utmost importance. However, it is important to ensure that the steel round bars used in the food processing industry meet the necessary standards and regulations to ensure the safety of the food being processed.
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Carbon Structural Steel Round Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 400 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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