Prime Hot Rolled Carbon Steel Round Bar C30
- 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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Quality Product, Order Online Tracking, Timely Delivery
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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
Prime Hot Rolled Carbon Steel Round Bar C30
| Grade | C(%) | Mn(%) | S(%) | P(%) | Si(%) |
| Q235 | ≤0.20 | ≤0.70 | ≤0.045 | ≤0.045 | ≤0.30 |
| Q275 | ≤0.38 | 0.5-0.8 | ≤0.045 | ≤0.045 | ≤0.35 |
| Q345 | ≤0.20 | ≤1.60 | ≤0.045 | ≤0.045 | ≤0.55 |
| SS400 | - | ≤0.05 | ≤0.05 | ||
| S235JR | ≤0.17 | ≤1.40 | ≤0.03 | ≤0.03 |
Product Discription
| Product name | Hot rollde round steel bar |
| Standard | GB/JIS/ASTM/DIN/EN |
| Grade | Q235,Q275,Q345,SS400,SS540,A36,ST37-2,S235JR,S355JR |
| Diameter | 10-80mm |
| MOQ | 10 Metric Ton,also depending on production schedule |
| Delivery Time | 20-40 Days |
| Packing | Standard export packing or as you required |
| Payment term | T/T, L/C |
| Application | construction |
Theoretical Weight (kg/m)
Type | Diameter (mm) | Weight (kg/m) | Available Length | Type | Diameter (mm) | Weight (kg/m) | Available Length |
8Φ | 8 | 0.395 | 6-9m | 38Φ | 38 | 8.900 | 6-9m |
10Φ | 10 | 0.617 | 6-9m | 40Φ | 40 | 9.870 | 6-9m |
12Φ | 12 | 0.888 | 6-9m | 42Φ | 42 | 10.87 | 6-9m |
14Φ | 14 | 1.210 | 6-9m | 45Φ | 45 | 12.48 | 6-9m |
16Φ | 16 | 1.580 | 6-9m | 50Φ | 50 | 15.42 | 6-9m |
18Φ | 18 | 2.000 | 6-9m | 55Φ | 55 | 18.60 | 6-9m |
20Φ | 20 | 2.470 | 6-9m | 60Φ | 60 | 22.20 | 6-9m |
22Φ | 22 | 2.980 | 6-9m | 65Φ | 65 | 26.00 | 6-9m |
24Φ | 24 | 3.550 | 6-9m | 70Φ | 70 | 30.20 | 6-9m |
25Φ | 25 | 3.850 | 6-9m | 75Φ | 75 | 34.70 | 6-9m |
28Φ | 28 | 4.830 | 6-9m | 80Φ | 80 | 39.50 | 6-9m |
30Φ | 30 | 5.550 | 6-9m | 85Φ | 85 | 44.50 | 6-9m |
32Φ | 32 | 6.310 | 6-9m | 90Φ | 90 | 49.90 | 6-9m |
35Φ | 35 | 7.550 | 6-9m |
Products
- Q: Can steel round bars be used in the agricultural machinery industry?
- Yes, steel round bars can be used in the agricultural machinery industry. Steel round bars are commonly used in the manufacturing of various components and parts for agricultural machinery such as tractors, harvesters, and tillage equipment. They provide strength, durability, and resistance to wear and tear, making them suitable for the demanding conditions in agriculture.
- Q: Are steel round bars available in different shapes other than round?
- No, steel round bars are specifically designed and manufactured in a cylindrical shape.
- Q: What are the different surface defects that can occur in steel round bars?
- Steel round bars can experience various surface defects, which can be categorized based on their appearance and severity. Some common defects include: 1. Scale: During the manufacturing process, a thin layer of oxide, known as scale, can form on the steel's surface. It appears rough and flaky and can be easily removed mechanically. 2. Pits: Small depressions or craters, caused by corrosion or mechanical damage, can occur on the steel's surface. Pits weaken the steel's structural integrity and may require repair or replacement. 3. Scratches: Shallow grooves or cuts, resulting from handling, transportation, or machining, can be found on the steel's surface. While minor scratches may not impact performance, deep scratches can cause stress concentration and potential failure. 4. Roll marks: Raised or depressed lines or patterns, formed during the rolling process, can be seen on the steel's surface. Uneven pressure distribution between rolls causes these marks, affecting dimensional accuracy and surface quality. 5. Laminations: Thin layers or bands of non-metallic inclusions parallel to the steel's surface, caused by inadequate refining or improper casting techniques, are known as laminations. They reduce strength and toughness, requiring further processing or rejection. 6. Decarburization: The loss of carbon content on the steel's surface, occurring during heating, annealing, or hot working, is referred to as decarburization. It decreases hardness and strength, potentially leading to premature failure. 7. Surface cracks: Visible cracks on the steel's surface, caused by excessive cooling rates, improper heat treatment, or mechanical stress, are surface cracks. They compromise structural integrity and may necessitate repairs or rejection. These examples cover just a few of the possible surface defects in steel round bars. It is crucial to inspect and address these defects to ensure the steel's quality and performance in various applications.
- Q: The problem of dowel bars on concrete pavements?
- Light bar shall be adopted for dowel barWith transverse expansion joint as an example: in the face of layer thickness is 220mm, dowel diameter is 28mm (28), the minimum length of the dowel bar is 400mm, the maximum dowel bar spacing is 300mm.
- Q: Can steel round bars be used for making kitchen utensils?
- No, steel round bars are typically not suitable for making kitchen utensils as they lack the required properties such as corrosion resistance and food-grade safety standards.
- Q: What are the different types of steel round bars used in the automotive exhaust systems?
- There are various types of steel round bars used in automotive exhaust systems, including stainless steel, mild steel, and high-strength low-alloy (HSLA) steel. Stainless steel is often preferred for its corrosion resistance and durability, while mild steel is commonly used for its lower cost and ease of fabrication. HSLA steel, on the other hand, offers a balance between strength and weight, making it suitable for performance-oriented exhaust systems. The specific type of steel round bar utilized depends on factors such as the desired performance, cost considerations, and regulatory requirements.
- Q: What are the different types of steel round bar alloys for improved corrosion resistance?
- There are several types of steel round bar alloys that are known for their improved corrosion resistance. Some of the commonly used alloys include stainless steel, weathering steel, and duplex stainless steel. 1. Stainless Steel: This alloy contains a minimum of 10.5% chromium, which forms a thin, protective layer of chromium oxide on the surface of the steel. This layer acts as a barrier against corrosion, making stainless steel highly resistant to rust and other forms of corrosion. Different grades of stainless steel, such as 304 and 316, offer varying levels of corrosion resistance depending on the specific application. 2. Weathering Steel: Also known as Corten steel, weathering steel develops a protective rust-like appearance when exposed to the weather. This self-healing characteristic makes it resistant to atmospheric corrosion. The addition of copper, chromium, and nickel in weathering steel enhances its corrosion resistance and enables it to withstand harsh environmental conditions without the need for painting. 3. Duplex Stainless Steel: Duplex stainless steel is a combination of austenitic and ferritic stainless steels. This alloy offers excellent corrosion resistance due to its high chromium and molybdenum content. Duplex stainless steel is particularly resistant to localized corrosion, such as pitting and crevice corrosion, making it suitable for applications in aggressive environments like marine and chemical industries. It is important to note that the choice of steel round bar alloy for improved corrosion resistance depends on the specific application requirements and environmental conditions. Consulting with a materials engineer or corrosion specialist can help determine the most suitable alloy for a particular application.
- Q: How is a steel round bar made?
- To create a steel round bar, a series of steps must be taken during the manufacturing process. First, high-quality raw materials, typically steel billets, are carefully chosen. These billets are then heated in a furnace until they reach an appropriate temperature for forging. Once the billet has been heated, it is placed into a forging machine. Here, it undergoes significant pressure, either from repeated hammer strikes or mechanical press application, to shape it into a round bar. The goal of this forging process is to achieve the desired shape and dimensions. Following the forging stage, the round bar enters a heat treatment process. This involves heating the bar to a specific temperature and then rapidly or slowly cooling it. This treatment enhances the bar's mechanical properties, including its strength, hardness, and toughness, making it suitable for various applications. After heat treatment, the bar goes through machining. This step involves cutting, turning, and grinding the bar to achieve the desired dimensions and surface finish. By doing so, the bar meets the required tolerances and specifications. Lastly, the round bar undergoes a final inspection to ensure its quality and adherence to specified standards. This inspection involves checking its dimensions, surface finish, and any other specific requirements, such as chemical composition or mechanical properties. In conclusion, the production of a steel round bar involves carefully selecting raw materials, forging, heat treatment, machining, and final inspection. Each step in this process is essential in guaranteeing the quality and integrity of the end product.
- Q: What is the maximum titanium content allowed for steel round bars?
- The maximum titanium content allowed for steel round bars typically depends on the specific steel grade and composition. However, as a general guideline, the maximum titanium content in steel round bars is usually around 0.05-0.06%.
- Q: Are steel round bars suitable for conveyor belt applications?
- Steel round bars can be suitable for conveyor belt applications, depending on various factors. Steel round bars are known for their strength, durability, and resistance to wear and tear. These qualities make them a viable option for conveyor belt applications that involve heavy loads, high speeds, or abrasive materials. One of the main advantages of using steel round bars in conveyor belt applications is their ability to withstand heavy loads. The strength of steel ensures that the bars can support the weight of the conveyed materials without bending or breaking. This is particularly important in industries where large quantities of bulky or heavy materials need to be transported continuously. In addition, steel round bars are highly resistant to wear and tear. The smooth surface of the bars minimizes friction, reducing the wear on the conveyor belt and extending its lifespan. This is crucial in applications where the conveyor belt is subjected to constant movement and contact with abrasive materials, such as mining or construction industries. Furthermore, steel round bars can withstand high speeds without compromising their structural integrity. They have a high tensile strength, allowing them to handle the forces exerted on the conveyor belt during acceleration or deceleration. This ensures smooth and efficient operation of the conveyor system, minimizing downtime and improving productivity. However, it is important to consider the specific requirements of the conveyor belt application when choosing steel round bars. Factors such as the type of conveyed materials, the environment in which the conveyor operates, and the specific load and speed requirements should be taken into account. In some cases, alternative materials or coatings may be necessary to enhance the performance and longevity of the conveyor system. In conclusion, steel round bars can be suitable for conveyor belt applications due to their strength, durability, and resistance to wear and tear. However, careful consideration of the specific application requirements is necessary to ensure optimal performance and longevity of the conveyor system.
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Prime Hot Rolled Carbon Steel Round Bar C30
- 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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