1.2311 Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
1.2311 Steel Round Bar
Grade: 3Cr2Mo/P20/1.2311/Bp20
Characteristic
1, Good hardenability.
2, Polished good performance
3, Good mechanical properties.
4, Section's hardness is uniform.
Chemical composition of 3Cr2Mo
| C | Si | Mn | Cr | Mo | P | S |
| 0.28~0.40 | 0.20~0.80 | 0.60~1.00 | 1.40~2.00 | 0.30~0.55 | ≤0.030 | ≤0.030 |
Specification
Round bar | Diameter (mm) | Length (mm) | |
50~500 | 2000~5800 | ||
plate/sheet | Thickness (mm) | Width (mm) | Length (mm) |
20~400 | 80~1000 | 2000~5800 |
Steel Surface
Steel Sharp | Surface treatment |
Round bar | Black /Grinding / Polished / Peeled / Turned |
steel plate | Black / Milling / Machined |
Application
1. 3Cr2Mo is suitable for making medium and large,sophishticated long-life plastic mold steel.
2. 3Cr2Mo is suitable for manufacturing low melting point alloy die casting and heavy mold main components.
Physical properties
Thermal conductivity
| Temperature/°c | 20 | 100 | 200 | 300 | 400 |
| Thermal conductivityλ/W•(m•K)¯¹ | 36.0 | 33.4 | 31.4 | 30.1 | 29.3 |
Coefficient of expansion
| Temperature/°C | 18~100 | 18~200 | 18~300 | 18~400 | 18~500 | 18~600 | 18~700 |
| Coefficient of expansion/°C-1 | 11.9*10-6 | 12.20*10-6 | 12.5*10-6 | 12.81*10-6 | 13.11*10-6 | 13.41*10-6 | 13.71*10-6 |
Company equipment
smelting equipment : 3 and 4 tons induction furnaces;electric slag furnaces of 0.5t,1t,3t,5t,especially 3 and 5 tons electric slag
furnaces which feature both unipolar and bipolarity series functions.etc.
Processing equipments : electric hydraulic hammer; supporting equipments, gas producer, reheating furnace, gas annealing
furnace, electric annealing saw, etc.
Detective equipments : functions of chemical annalysis, physics property and mechnical property, etc.
- Q: How do you calculate the weight of a steel round bar based on its length and volume?
- In order to determine the weight of a steel round bar based on its length and volume, it is necessary to have knowledge of the steel's density. The density denotes the mass per unit volume of the material. The weight can be calculated using the following formula: Weight = Volume × Density To begin, one must calculate the volume of the steel round bar. The volume of a cylinder, which is the shape of a round bar, can be determined using the following formula: Volume = π × (Radius)^2 × Length The value of π is a mathematical constant approximately equal to 3.14, and Radius represents the radius of the round bar. Once the volume is obtained, it can be multiplied by the density of the steel to find the weight. It is important to note that the density of steel may vary depending on the specific type being used. For instance, mild steel has a density of approximately 7850 kg/m³. Therefore, the weight of the steel round bar can be calculated as: Weight = Volume × Density For example, let us consider a steel round bar with a length of 1 meter and a radius of 0.5 meters. To calculate the weight, we first need to determine the volume: Volume = π × (0.5)^2 × 1 Volume = 0.7854 m³ Next, we multiply the volume by the density of steel: Weight = 0.7854 m³ × 7850 kg/m³ Weight = 6171.79 kg Hence, the weight of the steel round bar would be approximately 6171.79 kg.
- Q: Are steel round bars suitable for tool-making applications?
- Yes, steel round bars are suitable for tool-making applications. Steel round bars offer several advantages that make them ideal for tool-making. Firstly, steel has excellent strength and durability, allowing tools made from steel round bars to withstand heavy use and resist wear and tear. Steel also has a high hardness, which is crucial for tools that need to cut, drill, or shape materials. Additionally, steel round bars can be easily machined and shaped into various tool designs, providing versatility and customization options. Furthermore, steel has good heat resistance and can withstand high temperatures, making it suitable for tools used in demanding applications such as metalworking or construction. Overall, steel round bars are a popular choice in tool-making due to their strength, durability, versatility, and ability to meet the specific requirements of different tool applications.
- Q: Can steel round bars be cold worked?
- Yes, steel round bars can be cold worked. Cold working refers to the process of plastic deformation of a metal below its recrystallization temperature. This technique is commonly used to increase the strength and hardness of steel round bars. Cold working can be achieved through various methods such as cold rolling, cold drawing, or cold forging. These processes apply compressive forces to the steel, causing its shape to change without the need for heating. Cold working can result in improved mechanical properties, increased dimensional accuracy, and a smoother surface finish for steel round bars.
- Q: What are the advantages of using vanadium-alloy steel round bars?
- There are several advantages of using vanadium-alloy steel round bars. Firstly, vanadium-alloy steel has significantly increased strength and toughness compared to regular steel. This makes it an ideal choice for applications where high strength and durability are required, such as in construction, manufacturing, and engineering projects. The addition of vanadium enhances the steel's ability to withstand heavy loads, impacts, and extreme temperatures, making it suitable for demanding environments. Secondly, vanadium-alloy steel round bars have excellent resistance to corrosion. Vanadium forms a protective oxide layer on the surface of the steel, preventing the metal from rusting or corroding. This makes the bars highly durable and long-lasting, even in harsh or corrosive environments. Additionally, vanadium-alloy steel has good weldability and machinability. It can be easily welded, allowing for efficient fabrication and construction processes. The steel's machinability allows for precise shaping and forming, making it adaptable to various design requirements. Furthermore, vanadium-alloy steel exhibits excellent wear resistance. This is particularly beneficial in applications where the bars are subjected to high levels of friction, abrasion, or wear, such as in mining or manufacturing equipment. The addition of vanadium enhances the steel's hardness and wear resistance, prolonging the lifespan of the bars and reducing maintenance costs. Lastly, vanadium-alloy steel has excellent heat resistance. It can withstand high temperatures without losing its strength or structural integrity. This makes it suitable for applications that involve exposure to extreme heat, such as in automotive engines, turbines, or power generation equipment. In conclusion, the advantages of using vanadium-alloy steel round bars include increased strength and toughness, resistance to corrosion, good weldability and machinability, excellent wear resistance, and high heat resistance. These qualities make vanadium-alloy steel round bars a reliable and versatile choice for a wide range of applications.
- Q: What is the carbon content in steel round bars?
- The amount of carbon in steel round bars varies depending on the grade and type of steel utilized, causing the carbon content in carbon steel round bars to typically range from 0.08% to 1.5%. A higher carbon content grants greater strength and hardness, albeit at the expense of weldability and ductility. The customer can specify the precise carbon content during the manufacturing process, tailoring it to their desired mechanical properties and application needs.
- Q: What are the safety precautions to be taken while handling steel round bars?
- When handling steel round bars, it is important to follow certain safety precautions to prevent accidents and injuries. Here are some safety measures to be taken: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE, such as safety goggles, gloves, and steel-toe boots, to protect yourself from potential hazards like flying debris, sharp edges, and crushing injuries. 2. Lifting Techniques: Use proper lifting techniques, such as bending your knees and using your leg muscles instead of your back, to avoid strain or back injuries. Do not attempt to lift heavy steel round bars alone; seek assistance or use lifting equipment like cranes or forklifts. 3. Secure Storage: Store steel round bars in a designated area or rack that is stable and secure. Ensure that they are properly stacked and organized to prevent them from falling or rolling onto someone. 4. Handling Tools: Use appropriate tools, such as tongs or lifting hooks, to handle steel round bars. Avoid using your hands or fingers directly to prevent cuts or pinching injuries. 5. Inspection: Before handling steel round bars, inspect them for any defects, sharp edges, or protrusions that may pose a safety risk. If any issues are found, report them to the appropriate personnel and do not use the bars until they are repaired or replaced. 6. Communication: Maintain clear communication with co-workers when handling steel round bars, especially in situations where multiple people are involved. Use hand signals or verbal cues to coordinate movements and avoid accidental collisions. 7. Proper Storage and Transportation: When storing or transporting steel round bars, ensure they are properly secured and adequately supported to prevent shifting, sliding, or falling during movement. 8. Training: Provide appropriate training to all personnel involved in handling steel round bars. This should include proper lifting techniques, the use of PPE, and awareness of potential hazards and safety procedures. By following these safety precautions, you can minimize the risk of accidents and injuries while handling steel round bars. Always prioritize safety to create a secure working environment for yourself and those around you.
- Q: What are the different surface defects that can be found in steel round bars?
- There are several surface defects that can be found in steel round bars. These defects can vary in severity and can have an impact on the overall quality and performance of the steel. Some common surface defects include: 1. Scale: Scale refers to the thin, flaky layer of iron oxide that forms on the surface of steel during the manufacturing process. It can appear as a rough, scaly texture and may cause issues with adhesion or coating application. 2. Pitting: Pitting is the formation of small holes or depressions on the surface of the steel. It can be caused by corrosion, contamination, or uneven heating during the manufacturing process. Pitting can weaken the structural integrity of the steel and increase the likelihood of failure. 3. Scratches: Scratches are superficial marks or cuts on the surface of the steel. They can occur during handling, transportation, or processing. While small scratches may not significantly affect the performance of the steel, deep or extensive scratches can create stress concentrations and reduce the strength of the material. 4. Cracks: Cracks are linear fractures that can occur on the surface of the steel. They can be caused by excessive cooling, improper heat treatment, or mechanical stress. Cracks can propagate and lead to catastrophic failure if not detected and addressed. 5. Decarburization: Decarburization is the loss of carbon content on the surface of the steel due to exposure to high temperatures or improper heat treatment. It can result in a softer and weaker surface layer, reducing the material's strength and hardness. 6. Laminations: Laminations are layers or separations within the steel round bar that can occur due to improper rolling or manufacturing processes. These can weaken the material and reduce its load-bearing capacity. 7. Inclusions: Inclusions are non-metallic impurities or foreign substances that are trapped within the steel during the manufacturing process. They can include oxides, sulfides, or other debris. Inclusions can act as stress concentrators and reduce the material's resistance to cracking and deformation. Detecting and addressing these surface defects is crucial to ensure the quality and reliability of steel round bars. Various inspection techniques such as visual examination, ultrasonic testing, magnetic particle testing, or dye penetrant testing can be employed to identify and assess the severity of these defects.
- Q: Can steel round bars be used in the manufacturing of kitchenware?
- Yes, steel round bars can be used in the manufacturing of kitchenware. Steel is a durable and versatile material that is commonly used in the production of kitchen utensils and cookware. Steel round bars can be shaped and molded into various kitchenware items such as pots, pans, knives, spoons, and forks. The strength and heat resistance of steel make it suitable for cooking and food preparation purposes. Additionally, steel is easy to clean, hygienic, and resistant to corrosion, making it ideal for use in kitchenware.
- Q: Can steel round bars be used in the production of electrical equipment?
- Yes, steel round bars can be used in the production of electrical equipment. Steel is a highly versatile and durable material that can provide structural support and conductivity in various electrical components. The round shape of the bars allows for easy fabrication and assembly, making them suitable for use in electrical equipment manufacturing.
- Q: Are steel round bars suitable for the manufacturing of shafts?
- Indeed, steel round bars prove to be fitting for the production of shafts. Renowned for their robustness, longevity, and capacity to endure immense loads and rapid rotations, steel round bars excel in applications involving shafts. The circular form of the bar fosters even distribution of stress, thereby diminishing the likelihood of failure or distortion. Moreover, steel round bars can be easily manipulated and subjected to heat treatment in order to attain desired mechanical properties, such as hardness and toughness, thereby reinforcing their aptness for shaft production. All in all, steel round bars encompass the essential attributes demanded by shafts, thereby rendering them a trustworthy and widely employed material in diverse industries.
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1.2311 Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 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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