Hot Rolled Carbon Steel Round Bars S50C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 120000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Hot Rolled Carbon Steel Round Bars S50C
Product Specification
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| S50C | 0.47-0.53 | 0.15-0.35 | 0.60-0.90 | ≤0.035 | ≤0.030 | ≤0.20 | ≤0.20 | ≤0.30 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Reduction of Area ψ | Elogation δ5 | Hardness |
| ≥630(64) Mpa | ≥375(38) Mpa | ≥40% | ≥14% | ≤241HB |
3, Diameter: 16mm - 300mm
Length: Max 12m
Application
1, Used as base plate of cold working die.
2, Used as fix plate of drill jig.
3, Used as standard template material.
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:
EXW, 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.
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About Us
- Q: Difference between forging and round steel
- The castings need to be uniform in each piece without any porosity, excess space, inclusions, or other defects. The component produced by this method has a high ratio of strength to weight. These elements are usually used in aircraft structures.
- Q: Are steel round bars suitable for heat exchanger applications?
- Yes, steel round bars are suitable for heat exchanger applications. Steel has excellent thermal conductivity and high strength, making it a reliable choice for transferring heat efficiently in heat exchangers. Additionally, steel round bars can withstand high temperatures and pressures, making them durable and suitable for various industrial applications.
- Q: What are the different grades of alloy steel round bars for automotive applications?
- Alloy steel round bars are commonly used in automotive applications due to their excellent strength, durability, and resistance to wear and corrosion. These bars are typically graded based on their chemical composition, mechanical properties, and suitability for specific automotive uses. Here are some of the different grades of alloy steel round bars commonly used in automotive applications: 1. 4140/42CrMo4: This is a widely used grade of alloy steel round bars known for its high tensile strength, good toughness, and excellent fatigue strength. It is commonly used in applications such as gears, crankshafts, axles, and suspension components. 2. 8620: This grade of alloy steel round bars offers excellent hardenability and can be heat treated to achieve high strength and toughness. It is commonly used in applications such as shafts, gears, and camshafts. 3. 4340: This grade of alloy steel round bars is known for its high strength and toughness. It offers good wear resistance and can be heat treated to achieve even higher hardness and strength. It is commonly used in applications such as connecting rods, crankshafts, and high-stress components. 4. 52100: This is a high carbon, chromium alloy steel known for its excellent hardness and wear resistance. It is commonly used in applications such as bearings and races, where high strength and durability are required. 5. 316L: This grade of alloy steel round bars is known for its excellent corrosion resistance, particularly in harsh environments. It is commonly used in automotive applications such as exhaust systems, where resistance to corrosion is critical. 6. 4340M: This is a modified version of the 4340 grade, specifically designed for high-performance automotive applications. It offers improved fatigue strength and toughness, making it suitable for demanding applications such as high-performance engine components. These are just a few examples of the different grades of alloy steel round bars used in automotive applications. The specific grade chosen depends on the requirements of the application, including the desired strength, toughness, wear resistance, and corrosion resistance.
- Q: What are the advantages of using tungsten-alloy steel round bars?
- There are several advantages of using tungsten-alloy steel round bars. Firstly, tungsten imparts high strength and durability, making these bars suitable for heavy-duty applications. Secondly, tungsten improves the hardness and wear resistance of the steel, increasing its lifespan and reducing the need for frequent replacements. Additionally, tungsten-alloy steel round bars exhibit excellent heat resistance and can withstand high temperatures without losing their mechanical properties. Lastly, these bars have superior corrosion resistance, making them ideal for use in harsh environments or corrosive conditions.
- Q: What are the advantages of using aluminum-magnesium alloy steel round bars?
- Aluminum-magnesium alloy steel round bars offer several benefits: 1. Lightweight: With its lower density compared to traditional steel, aluminum-magnesium alloy steel is a lightweight material. This is advantageous in industries like aerospace and automotive where weight reduction is crucial. It improves fuel efficiency and increases payload capacity. 2. Corrosion resistance: Aluminum-magnesium alloy steel has excellent resistance to corrosion. The addition of magnesium enhances its ability to withstand harsh environments, including moisture, chemicals, and saltwater. It is ideal for marine applications and areas with high humidity or corrosive atmospheres. 3. High strength-to-weight ratio: Despite being lightweight, aluminum-magnesium alloy steel is highly strong. It offers a superior strength-to-weight ratio compared to other materials, allowing for the construction of durable structures. This is valuable in applications like construction where both strength and weight are important factors. 4. Excellent machinability: Aluminum-magnesium alloy steel is easy to machine, making it suitable for a variety of fabrication processes. It can be cut, drilled, and welded with ease, enabling efficient manufacturing and assembly. This saves time and costs while allowing for complex designs and customization. 5. Thermal conductivity: Aluminum-magnesium alloy steel has excellent thermal conductivity, facilitating efficient heat transfer. This property is valuable in applications such as heat exchangers, cooling systems, and electrical conductors. It prevents overheating and improves overall performance. 6. Recyclability: Aluminum-magnesium alloy steel is highly recyclable, making it an environmentally friendly choice. It can be melted down and reused, reducing the need for raw materials and minimizing waste. Recycling aluminum-magnesium alloy steel requires less energy compared to primary production, making it a sustainable option. In conclusion, the advantages of aluminum-magnesium alloy steel round bars make it a versatile and cost-effective material for various applications. Its lightweight nature, corrosion resistance, high strength-to-weight ratio, excellent machinability, thermal conductivity, and recyclability make it a preferred choice in industries where these properties are essential.
- Q: How do steel round bars compare to copper round bars?
- Steel round bars and copper round bars have distinct properties that make them suitable for different applications. Firstly, steel round bars are known for their exceptional strength and durability. Steel is a versatile and widely-used material that can withstand high levels of stress, making it ideal for structural and industrial applications. It has a high tensile strength, which means it can resist pulling forces without breaking. Steel round bars are commonly used in construction projects, automotive components, and machinery manufacturing. On the other hand, copper round bars possess unique characteristics that differentiate them from steel. Copper is an excellent conductor of heat and electricity, making it indispensable in electrical wiring and plumbing systems. It is also highly resistant to corrosion, which is why copper pipes are widely used in plumbing applications. Additionally, copper has antimicrobial properties, which makes it a preferred material for medical equipment and food processing industries. When it comes to cost, steel round bars are generally more affordable than copper round bars. Steel is abundantly available and its production cost is lower compared to copper. This cost advantage makes steel a popular choice for many budget-conscious applications. In terms of appearance, steel round bars have a sleek and metallic finish, while copper round bars have a distinct reddish-brown appearance. This visual difference often influences the choice between the two materials in architectural and decorative applications. In summary, steel round bars and copper round bars have different properties that make them suited for specific purposes. Steel offers exceptional strength and durability, making it suitable for structural and industrial applications, while copper is valued for its conductivity, corrosion resistance, and antimicrobial properties, making it ideal for electrical, plumbing, and medical applications. The choice between steel and copper depends on the specific requirements of the project and the desired properties of the material.
- Q: How do you measure the straightness tolerance of a steel round bar?
- To determine the straightness tolerance of a steel round bar, various methods can be employed based on the desired level of accuracy and precision. Below are several commonly used techniques: 1. Visual Inspection: This straightforward approach involves visually examining the bar for any noticeable deviations from straightness. Placing the bar on a flat surface allows for the detection of bends or curves along its length. However, it is worth noting that this method is subjective and may not yield precise measurements. 2. Straightedge Method: Using a straightedge such as a ruler or precision straightedge, one can assess the presence of gaps or spaces between the straightedge and the bar's surface. This method offers a higher level of accuracy but can still be influenced by human error. 3. Dial Indicator Method: By utilizing a dial indicator, a precise measuring tool, the straightness tolerance can be measured. Fixing the dial indicator to a stationary point and moving it along the length of the bar enables the identification of any deviations from a straight line. This method provides more precise measurements and can quantify the straightness tolerance in specific units like inches or millimeters. 4. Laser Measurement: Laser systems, such as laser alignment devices, serve as an effective means of measuring the straightness tolerance of a steel round bar. These systems project a straight line onto the bar's surface using lasers and then analyze any deviations from this line. Laser measurement offers highly accurate and repeatable results, making it suitable for applications requiring strict tolerances. It is essential to consider the required level of accuracy, the size of the round bar, and the available resources and equipment when selecting a measurement method. It is also advisable to consult industry standards and guidelines to ensure compliance with specific tolerances and requirements relevant to your application.
- Q: What are the typical yield strengths of different grades of steel round bars?
- The yield strength of steel round bars can vary depending on the specific grade of steel. Here are some typical yield strengths for different grades of steel round bars: - Mild steel round bars typically have a yield strength of around 250 MPa (megapascals) or 36,000 psi (pounds per square inch). - Carbon steel round bars can have a yield strength ranging from 350 to 550 MPa or 50,000 to 80,000 psi. - Alloy steel round bars, such as 4140 or 4340, generally have higher yield strengths compared to mild or carbon steel. The yield strength of these alloys can range from 550 to 850 MPa or 80,000 to 120,000 psi. - Stainless steel round bars come in various grades, and their yield strengths can vary accordingly. For example, austenitic stainless steels like 304 or 316 typically have yield strengths ranging from 200 to 300 MPa or 29,000 to 43,000 psi. On the other hand, duplex stainless steels like 2205 or 2507 can have higher yield strengths ranging from 450 to 650 MPa or 65,000 to 95,000 psi. It is important to note that these values are just typical ranges, and the actual yield strength of a specific grade of steel round bar may differ based on factors such as heat treatment, manufacturing process, and other variables. Therefore, it is always recommended to consult the manufacturer's specifications or industry standards for accurate and precise yield strength values of steel round bars.
- 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 is the typical lead time for manufacturing steel round bars?
- The typical lead time for manufacturing steel round bars can vary depending on several factors, such as the quantity and size of the bars, the complexity of the manufacturing process, and the availability of raw materials. However, a general estimate for lead time could range from a few weeks to a couple of months. It is always best to consult with the specific manufacturer for an accurate timeframe.
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Hot Rolled Carbon Steel Round Bars S50C
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 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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