Steel Round Bar Reliable Manufacturer from China
- Ref Price:
-
- Loading Port:
- Lianyungang
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 221 m.t.
- Supply Capability:
- 200334443 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3. Annealing after forging:heat to 840-860°c,keep 2-4H,coolbelow to 500°c,hardness≤285HBS. Isothermal annealing after forging:heat to 540-860°c,keep temperature 2-4H,furnacecold to 740-760°c,keep temperature 4-6H,to 500°c,hardness≤255HBS.
Specifications of steel round bar:
1. Standards: AISI 4340 8620 8640 4320 , JIS SNCM8 GB:40CrNiMoA
2. Specification: Dia: 80~450mm Length:2000-13000mm or as required
3. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional)
4. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.40-0.80 | 0.025(max) | 0.025(max) | 0.60-0.90 | 1.25-1.65 | 0.025(max) | 0.15-0.25 |
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:How are steel round bars used in the manufacturing of conveyor systems?
- Steel round bars are commonly used in the manufacturing of conveyor systems as they provide the necessary strength and durability for supporting heavy loads, guiding conveyor belts, and maintaining stability. These bars are often used as support beams, rollers, and shafts within the conveyor system, ensuring efficient movement of materials along the production line.
- Q:How do steel round bars compare to titanium round bars?
- Steel round bars and titanium round bars have different properties and characteristics that make them suitable for different applications. Here is a comparison between the two: 1. Strength: Titanium round bars have a higher strength-to-weight ratio than steel round bars. This means that titanium can withstand higher loads and stresses while being lighter in weight compared to steel. However, steel round bars are generally stronger and more rigid than titanium, making them suitable for heavy-duty applications that require high strength. 2. Corrosion Resistance: Titanium round bars are highly resistant to corrosion, even in harsh environments such as saltwater. Steel, on the other hand, is susceptible to corrosion and requires additional protective measures (such as coatings or galvanization) to prevent rusting. Therefore, titanium round bars are preferred in applications where corrosion resistance is essential. 3. Density: Titanium round bars have a lower density compared to steel round bars. This low density makes titanium ideal for applications where weight reduction is crucial, such as aerospace and automotive industries. Steel round bars, with their higher density, are typically used in applications where weight is less of a concern. 4. Temperature Resistance: Titanium round bars have excellent heat resistance, retaining their mechanical properties at high temperatures. Steel round bars, however, can lose their strength and become brittle when exposed to high temperatures. Therefore, titanium round bars are suitable for applications that require elevated temperature resistance. 5. Cost: Steel round bars are generally more affordable than titanium round bars. Titanium is an expensive metal due to its scarcity and complex extraction process. The cost difference between the two materials can be significant, making steel round bars more favorable for budget-conscious projects. In conclusion, the choice between steel round bars and titanium round bars depends on the specific requirements of the application. Steel is preferred for its superior strength and affordability, while titanium offers advantages such as high strength-to-weight ratio, corrosion resistance, temperature resistance, and lower density.
- Q:Are square steel, rectangular tube and angle steel shaped or light steel?
- Section steel is a kind of strip steel with definite section shape and size.In accordance with the different smelting quality of steel, steel is divided into ordinary steel and high quality steel. According to the current catalogue of metal products, ordinary steel can be divided into large section steel, medium section steel and small section steel. The section steel can be divided into I-beam, channel steel, angle steel, round steel and so on according to its sectional shape.
- Q:How do you calculate the cross-sectional area of a steel round bar?
- To calculate the cross-sectional area of a steel round bar, you need to know its diameter or radius. The formula for calculating the cross-sectional area of a circle is A = πr^2, where A is the area and r is the radius of the circle. If you have the diameter of the round bar, you can divide it by 2 to get the radius. Once you have the radius, you can substitute it into the formula to calculate the cross-sectional area. Keep in mind that the value of π is approximately 3.14159.
- Q:What is the difference between a polished and a precision ground steel round bar?
- A polished steel round bar is a bar that has been polished to achieve a smooth and shiny surface. This involves using abrasive materials to eliminate any flaws or roughness. As a result, the bar is visually appealing and has a high level of aesthetic appeal. On the other hand, a precision ground steel round bar is a bar that has been ground precisely to achieve accurate dimensions and a smooth surface. This grinding process involves removing material from the bar's surface using grinding wheels or other cutting tools. The aim of precision grinding is to ensure that the bar meets specific size and shape requirements, making it suitable for applications that require precise dimensions and tight tolerances. In conclusion, the main difference between a polished and a precision ground steel round bar lies in the purpose of the respective finishing processes. Polishing is primarily done for aesthetic reasons, enhancing the bar's appearance, while precision grinding focuses on achieving precise dimensions and tight tolerances to meet specific technical requirements.
- Q:What are the different surface treatments available for carbon steel round bars?
- There are several different surface treatments available for carbon steel round bars, each serving a specific purpose and offering unique benefits. Some of the most common surface treatments for carbon steel round bars include: 1. Galvanizing: This treatment involves applying a layer of zinc to the surface of the carbon steel round bar. Galvanizing provides excellent corrosion resistance and can significantly extend the lifespan of the steel. 2. Black oxide coating: Also known as blackening, this treatment creates a dark, uniform finish on the surface of the carbon steel round bar. Black oxide coatings offer mild corrosion resistance and can also provide improved lubricity and a decorative appearance. 3. Chromium plating: This treatment involves depositing a layer of chromium onto the surface of the carbon steel round bar, typically through electroplating. Chromium plating enhances the corrosion resistance of the steel and can also provide improved wear resistance and a polished appearance. 4. Nitriding: Nitriding is a heat treatment process that diffuses nitrogen into the surface of the carbon steel round bar, forming a hard and wear-resistant layer. This treatment improves the hardness and fatigue strength of the steel, making it suitable for applications that require enhanced durability. 5. Phosphating: Phosphating is a chemical treatment that converts the surface of the carbon steel round bar into a layer of phosphate crystals. This treatment provides excellent corrosion resistance and also enhances the adhesion of coatings or paints applied to the steel. 6. Powder coating: Powder coating involves applying a dry powder to the surface of the carbon steel round bar and then curing it under heat to form a protective coating. Powder coatings offer excellent corrosion resistance, durability, and can be customized in various colors and finishes. These are just a few examples of the surface treatments available for carbon steel round bars. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, wear resistance, aesthetics, and cost-effectiveness.
- Q:What are the different types of steel round bar alloys?
- There are several different types of steel round bar alloys, including carbon steel, alloy steel, stainless steel, and tool steel.
- Q:What are the tolerances for steel round bars?
- The tolerances for steel round bars typically depend on the specific industry standards and customer requirements. However, common tolerances for steel round bars include variations in diameter, straightness, length, and surface finish. These tolerances ensure that the steel round bars meet the desired specifications and can be effectively used in various applications.
- Q:Can steel round bars be used in the manufacturing of flanges?
- Yes, steel round bars can be used in the manufacturing of flanges. Flanges are typically used to connect pipes, valves, and other equipment in various industrial applications. While flanges can be made from different materials such as carbon steel, stainless steel, or alloy steel, steel round bars are commonly used due to their strength and durability. The round bars can be machined or forged into the desired flange shape and then further processed to meet specific requirements such as size, thickness, and flange face type. Steel round bars provide excellent mechanical properties and can withstand high pressures, making them suitable for use in flange manufacturing.
- Q:Can steel round bars be used in the manufacturing of home decor?
- Certainly, steel round bars can be utilized in the production of home decor items without a doubt. These versatile and sturdy materials can be molded, joined together, and altered into numerous shapes and patterns. They lend themselves to the creation of ornamental pieces like candle holders, wall art, sculptures, furniture embellishments, and so forth. Depending on the desired interior design style, steel round bars can be polished, painted, or left in their natural state. Moreover, steel, being a robust and enduring substance, is perfect for home decor objects that require resilience against frequent usage and the ability to uphold their aesthetic appeal over an extended period.
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Steel Round Bar Reliable Manufacturer from China
- Ref Price:
-
- Loading Port:
- Lianyungang
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 221 m.t.
- Supply Capability:
- 200334443 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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