Hot Rolled 12mm Steel Rod Price Steel Bar HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 888 m.t.
- Supply Capability:
- 2000000 m.t./month
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Specification
Standard:
JIS
Technique:
Cold Rolled
Shape:
Square
Surface Treatment:
Coated
Steel Grade:
Q215
Certification:
SGS
Thickness:
33
Width:
223
Length:
433
Net Weight:
4554
Description of steel round bar:
(1) Thickness of not more than 2MM sheet, efficient blanking die, punch die and pressure die etc.
(2) All kinds of scissors, inserts, woodworking blade.
(3) Thread rolling die and wear-resistant slider.It is used in the manufacture of a higher strength and higher quenching and tempering section.it can also be used for 2000m following oil well drill pipe joints and fishing tools,and can be used for bending machine dies.
Festures of steel round bar:
4340 Forged Round Steel Bar
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
Round bar | Diameter(mm) | Length (mm) | |
10~800 | 2000~5800 | ||
plate/sheet | Thickness(mm) | Width (mm) | Length (mm) |
10~800 | 80~2300 | 2000~5800
|
| Packaging Details: | 6mm-12mm : packing in coil with the steel wire. 10mm-32mm :strainghtness rebar in bundle with the steel wires , then loading directly . |
| Delivery Detail: | 20days after the order confirmed |
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q: What are the different types of tests performed on steel round bars for quality control?
- There are several types of tests performed on steel round bars for quality control. These include visual inspection, dimensional checks, surface roughness evaluation, hardness testing, tensile testing, impact testing, and chemical composition analysis. These tests help ensure that the steel round bars meet the required quality standards and are fit for their intended applications.
- Q: Can steel round bars be used for making springs or suspension components?
- Yes, steel round bars can be used for making springs or suspension components. Steel is a commonly used material for these applications due to its high strength and durability. The round bar shape allows for easy fabrication and customization according to the specific requirements of the springs or suspension components.
- Q: Can steel round bars be used in the production of construction equipment?
- Steel round bars are indeed capable of being utilized in the production of construction equipment. The construction industry frequently relies on steel round bars for their exceptional characteristics, including strength, durability, and versatility. These bars can be effectively employed in the creation of various construction equipment components, such as axles, shafts, gears, and structural supports. Thanks to their remarkable tensile strength, steel round bars ensure that the equipment can effectively endure heavy loads and challenging operating conditions. Furthermore, their machinability and weldability render them highly suitable for the fabrication processes involved in manufacturing construction equipment. All in all, steel round bars represent a reliable and extensively used material within the construction industry for the production of construction equipment.
- Q: What are the advantages of using chromium-molybdenum alloy steel round bars?
- One of the main advantages of using chromium-molybdenum alloy steel round bars is their superior strength and durability. This type of alloy steel has excellent tensile strength and high resistance to wear and corrosion, making it ideal for various applications that require a strong and long-lasting material. Additionally, chromium-molybdenum alloy steel round bars offer good heat resistance, making them suitable for use in high-temperature environments. Overall, these bars provide a reliable and cost-effective solution for industries such as construction, automotive, and manufacturing.
- Q: Can steel round bars be used in the manufacturing of pressure vessels?
- Yes, steel round bars can be used in the manufacturing of pressure vessels. Steel round bars offer high strength and durability, making them suitable for withstanding the high pressure environment inside pressure vessels. Additionally, steel round bars can be easily fabricated and welded, allowing for the construction of complex pressure vessel designs.
- Q: What are the different grades of alloy steel round bars?
- Alloy steel round bars encompass a range of grades, each possessing distinct properties and characteristics. Among the various grades are: 1. 4140: Renowned for its exceptional strength, toughness, and resistance to abrasion, this alloy steel round bar finds common use in axles, shafts, and gears. 2. 4340: Distinguished by its superb hardenability and high tensile strength, this grade is frequently employed in applications necessitating exceptional durability and strength, such as aircraft landing gear components and crankshafts. 3. 8620: Recognized for its case hardening properties, this grade is ideal for applications requiring a combination of toughness and wear resistance. It is commonly utilized in gears, pinions, and camshafts. 4. 316: This stainless steel grade offers remarkable corrosion resistance, rendering it suitable for marine environments or situations where exposure to corrosive substances is a concern. 5. 52100: Known for its elevated hardness and wear resistance, this grade is frequently incorporated into the production of bearings and other components subject to high levels of wear. 6. 4340M: Similar to 4340, this grade features the addition of molybdenum to enhance hardenability and strength. It is often utilized in applications necessitating both high strength and toughness, such as aircraft landing gear components and crankshafts. These examples merely scratch the surface of the diverse range of grades available for alloy steel round bars. The selection of a specific grade hinges on the precise requirements of the application, including desired mechanical properties, corrosion resistance, and heat treatment capabilities.
- Q: What is the difference between a cold-drawn and a centerless ground steel round bar?
- Both cold-drawn and centerless ground steel round bars are distinct types of steel bars that have undergone different manufacturing processes, leading to varied characteristics and properties. To produce cold-drawn steel round bars, a hot-rolled or annealed steel bar is pulled through a die, decreasing its diameter and increasing its length. This procedure enhances the steel's mechanical properties, making it stronger, more precise in dimensions, and possessing a smoother surface finish. Cold-drawn bars exhibit superior tensile strength, improved surface finish, and tighter dimensional tolerances compared to hot-rolled bars. They are frequently employed in applications that necessitate precision and strength, such as automotive components, machinery parts, and construction materials. On the contrary, centerless ground steel round bars are created by passing a cylindrical steel bar through a grinding machine without the need for centers or support. This grinding process eliminates surface imperfections and deviations in diameter, resulting in a precise and smooth finish. Centerless ground bars offer exceptional dimensional accuracy, surface finish, and roundness. They are commonly utilized in applications where precision and tight tolerances are crucial, such as in the production of bearings, shafts, and hydraulic cylinders. In conclusion, the primary distinction between a cold-drawn steel round bar and a centerless ground steel round bar lies in the manufacturing process and the resultant properties. Cold-drawn bars are formed by pulling the steel through a die, leading to enhanced mechanical properties, tighter tolerances, and a smoother surface finish. Centerless ground bars are produced by grinding the steel to enhance dimensional accuracy, roundness, and surface finish. Both types of bars possess their own advantages and are suitable for different applications based on the required precision, strength, and surface finish.
- Q: What are the different surface roughness options for steel round bars?
- There are several different surface roughness options available for steel round bars. These options are typically determined by the manufacturing process and the desired end-use of the steel bars. 1. Hot Rolled: Hot rolled steel round bars have a rough and scaled surface finish. This is due to the high temperature at which the bars are formed, which causes the surface to oxidize and form a layer of scale. This roughness can vary depending on the specific manufacturing process. 2. Cold Drawn: Cold drawn steel round bars are processed at room temperature, resulting in a smoother surface finish compared to hot rolled bars. The cold drawing process involves pulling the steel bars through a die to reduce their diameter, resulting in a more uniform and consistent surface roughness. 3. Peeled and Polished: Peeled and polished steel round bars undergo a secondary process to remove the outer layer of scale or surface defects. This process typically involves peeling the outer layer and then polishing the surface to achieve a smoother and more refined finish. This option provides a high-quality surface with minimal imperfections. 4. Ground: Ground steel round bars are processed through a grinding machine to achieve a precise and smooth surface finish. This process removes any surface defects and irregularities, resulting in a consistent and uniform surface roughness. Ground bars are often used in applications where dimensional accuracy and a smooth surface are required. 5. Turned and Polished: Turned and polished steel round bars are processed on a lathe machine, where the outer layer is removed by turning the bars against a cutting tool. This process results in a smooth and polished surface finish. Turned and polished bars are commonly used in applications where aesthetics and a high-quality surface finish are important. Overall, the choice of surface roughness option for steel round bars depends on the specific requirements of the application. Factors such as dimensional accuracy, surface finish, and aesthetics play a role in determining the most suitable option for a given use case.
- Q: What are the different tolerances for steel round bars?
- There are various tolerances for steel round bars, depending on the specific requirements and standards set by different industries and applications. These tolerances ensure that the dimensions and surface conditions of the steel round bars meet the desired specifications. The most common tolerance for steel round bars is the diameter tolerance. This refers to the allowable deviation from the specified diameter. For example, a steel round bar with a diameter tolerance of +/- 0.005 inches means that the actual diameter of the bar can vary within this range. Another important tolerance for steel round bars is the straightness tolerance. This refers to the allowable deviation from a straight line over a specified length of the bar. Straightness tolerances are usually given in terms of the maximum deviation in relation to the length, such as 0.010 inches per foot. Surface finish tolerance is also crucial for steel round bars. It refers to the acceptable variation in the surface texture or roughness of the bar. This tolerance is often specified using parameters such as Ra (average roughness) or Rz (maximum roughness depth). For example, a surface finish tolerance of Ra 0.8 micrometers means that the average roughness of the bar's surface should not exceed this value. In addition to these common tolerances, there may be other specific tolerances based on the intended application of the steel round bars. These can include tolerances for straightness, length, weight, or other dimensional properties. It is important to note that the tolerances for steel round bars can vary depending on the standards followed by different industries and countries. It is always recommended to refer to the relevant standards or specifications to determine the specific tolerances required for a particular application.
- Q: How do you prevent steel round bars from rusting during transportation?
- There are several effective measures that can be taken to prevent rusting of steel round bars during transportation. Firstly, it is crucial to properly package the steel round bars. This involves securely wrapping and sealing them using moisture-resistant materials like plastic or shrink wrap. This packaging will act as a barrier against moisture and prevent direct contact with air. Secondly, the inclusion of desiccants inside the packaging can help absorb any moisture that may be present. Desiccants such as silica gel packets or moisture-absorbing clay will create a dry environment around the steel bars, reducing the chances of rust formation. Another effective method is to use VCI (Volatile Corrosion Inhibitor) packaging. VCI materials release a protective vapor that forms a thin layer on the steel surface, inhibiting corrosion. VCI films or papers can be utilized to wrap the steel round bars, providing long-lasting rust protection. Proper storage conditions are also crucial during transportation. The steel round bars should be stored in a dry and well-ventilated environment, away from rain, humidity, and extreme temperature fluctuations. If possible, they should be stored in a covered and climate-controlled area to minimize the risk of rust formation. Regular inspection and maintenance of the steel round bars during transportation is essential. This ensures that the packaging remains intact and no moisture has seeped in. If any damage or signs of moisture are detected, immediate action should be taken to rectify the issue and prevent rust from spreading. By implementing these preventive measures, the risk of rust formation on steel round bars during transportation can be significantly reduced, guaranteeing that they arrive at their destination in optimal condition.
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Hot Rolled 12mm Steel Rod Price Steel Bar HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 888 m.t.
- Supply Capability:
- 2000000 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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