Steel Round Bar SS400/S20C/SAE1020/S235JR/S275JR
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25000 m.t./month
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Hot Rolled Steel Round Bar
Standard | Grade | C% | Mn% | Si% | P% | S% | Cr% | Ni% | Cu% | ||
JIS G3103 | SS330 | <0.050 | <0.050 | <0.20 | |||||||
SS400 | <0.050 | <0.050 | <0.20 | ||||||||
SS490 | <0.050 | <0.050 | <0.20 | ||||||||
JIS G4051-2005 | S15C | 0.13-0.18 | 0.30-0.60 | 0.15-0.35 | <0.030 | <0.035 | <0.20 | ||||
S20C | 0.18-0.23 | 0.30-0.60 | 0.15-0.35 | <0.030 | <0.035 | <0.20 | <0.20 | <0.20 | |||
ASTM A36 | ASTMA36 | <0.22 | 0.50-0.90 | <0.40 | <0.040 | <0.050 | <0.20 | <0.20 | <0.20 | ||
ASTM A568 | SAE1015 | 0.13-0.18 | 0.30-0.60 | <0.040 | <0.050 | <0.20 | <0.20 | <0.30 | |||
SAE1017 | 0.15-0.20 | 0.30-0.60 | <0.040 | <0.050 | <0.20 | <0.20 | <0.30 | ||||
SAE1018 | 0.15-0.20 | 0.60-0.90 | <0.040 | <0.050 | <0.20 | <0.20 | <0.30 | ||||
SAE1020 | 0.15-0.20 | 0.30-0.60 | <0.040 | <0.050 | <0.20 | <0.20 | <0.30 | ||||
EN10025 | S235JR | 0.15-0.20 | <1.40 | <0.035 | <0.035 | <0.20 | |||||
S275JR | <0.22 | <1.40 | <0.035 | <0.035 | <0.20 |
Packaging & Shipping
In Bundles with strong lines. Accordig to our experience, It's export package which can keep round bar steady.
- Q:
- Office furniture can indeed utilize steel round bars. Steel, being a versatile and enduring material, can be molded into various shapes, including round bars. These bars are useful as structural elements in office furniture, such as table legs, chair frames, and support beams. They provide the furniture with strength and steadiness, making them suitable for heavy usage in office settings. Furthermore, steel can be finished in diverse manners, such as powder coating or chrome plating, to enhance its appearance and match the office space's aesthetic. All in all, the utilization of steel round bars in the production of office furniture offers both durability and stability, while also providing a contemporary appearance.
- Q:
- Steel round bars are commonly used in the manufacturing of material handling equipment due to their strength and durability. These bars are often used as components in the construction of various equipment, such as cranes, forklifts, conveyors, and hoists. One of the primary applications of steel round bars in material handling equipment is for the construction of load-bearing structures. For example, in cranes and hoists, steel round bars are used to create the mast, boom, and jib, which need to withstand heavy loads and provide stability. The high tensile strength and resistance to bending of steel make it an ideal choice for these critical components. Additionally, steel round bars are used for shafts and axles in material handling equipment. These components play a crucial role in transmitting power and torque, allowing the equipment to operate efficiently. Steel's ability to withstand high stress and torsional forces makes it a suitable material for these applications. Another common use of steel round bars in material handling equipment is for the fabrication of lifting attachments and hooks. These bars are often shaped and welded to create the required lifting mechanism, ensuring that they can safely lift and transport heavy loads. The strength and rigidity of steel make it capable of withstanding the forces exerted during lifting operations. Furthermore, steel round bars are used in the manufacturing of conveyor systems. These bars are utilized as rollers or shafts to support and guide the movement of materials along the conveyor belts. The smooth surface of the steel bars reduces friction, allowing for efficient material handling. In summary, steel round bars play a vital role in the manufacturing of material handling equipment. Their strength, durability, and versatility make them suitable for various applications, including load-bearing structures, shafts, lifting attachments, and conveyor systems.
- Q:
- To determine the hardness of a steel round bar, various methods can be used. One common method is the Rockwell hardness test. This test involves applying a minor load to the surface of the bar using a diamond or a hardened steel ball, followed by a major load. The depth of penetration of the minor and major loads is measured, and a hardness value is determined based on the difference between the two depths. Another method is the Brinell hardness test, which involves indenting the surface of the steel bar using a hardened steel ball under a specified load. The diameter of the resulting indentation is measured, and the hardness value is calculated based on the load and the diameter of the indentation. Alternatively, the Vickers hardness test can also be used. This test involves applying a diamond pyramid-shaped indenter to the surface of the steel bar under a specific load. The size of the indentation is measured, and the hardness value is determined based on the load and the surface area of the indentation. It is important to note that the specific method used to determine the hardness of a steel round bar depends on factors such as the type of steel and the desired accuracy of the measurement. Additionally, other factors such as heat treatment and composition can also affect the hardness of the steel bar, so it is essential to consider these factors when determining hardness.
- Q:
- The typical hardness of a steel round bar can vary depending on the specific grade and composition of the steel. However, most steel round bars have a typical hardness ranging from 20 to 60 HRC (Rockwell Hardness Scale).
- Q:
- Depending on the desired properties and applications, there are several treatment options available for steel round bars. Some commonly used treatments are as follows: 1. Altering the mechanical properties of steel round bars can be achieved through heat treatment. This involves heating the bars to a specific temperature and then cooling them rapidly or slowly. By doing so, hardness, strength, toughness, and resistance to wear and corrosion can be improved. 2. To increase hardness, quenching can be employed. This entails rapidly cooling the heated steel round bars in a liquid medium, such as water or oil. Following quenching, tempering is carried out by reheating the steel to a lower temperature. This reduces brittleness and enhances toughness. 3. Surface hardening is a treatment method used to enhance the hardness of the outer layer of steel round bars while maintaining a tough and ductile core. Common techniques for surface hardening include carburizing, nitriding, and induction hardening. 4. Cold working involves deforming the steel at room temperature through processes like rolling, drawing, or extrusion. This treatment strengthens and increases the hardness of the steel round bars. Additionally, it improves dimensional accuracy and surface finish. 5. To enhance resistance to corrosion and wear, a protective coating can be applied to steel round bars. Zinc plating, galvanizing, and various types of paint or epoxy coatings are commonly used for this purpose. 6. Shot blasting is a treatment technique where small metallic or abrasive particles are shot at high speeds onto the surface of the steel round bars. This process removes contaminants, scale, and rust, resulting in a clean and polished surface. It is important to consider the specific requirements of the steel round bars and the intended application when choosing a treatment method. Consulting with experts or metallurgists is recommended to determine the most suitable treatment for a particular situation.
- Q:
- Steel round bars have numerous advantages compared to other materials: 1. Strength and durability: Known for their remarkable strength and durability, steel round bars are perfect for a wide range of applications. They can withstand heavy loads and resist deformation, making them ideal for structural purposes. 2. Versatility: Steel round bars offer tremendous versatility due to their various sizes, grades, and finishes. They can be easily customized to meet specific requirements, such as different lengths, diameters, and surface finishes. 3. Cost-effectiveness: Steel round bars provide a cost-effective solution when compared to other materials. They are readily available and affordable, thanks to their abundance and efficient manufacturing processes. Moreover, their high strength-to-weight ratio allows for the use of smaller quantities of steel without compromising strength. 4. Corrosion resistance: Steel round bars can be produced with different finishes, including galvanized or stainless steel, which enhances their resistance to corrosion. This enables them to be suitable for outdoor applications or environments where they may encounter moisture or chemicals. 5. Machinability: Steel round bars are highly regarded for their excellent machinability, allowing for easy cutting, drilling, or shaping according to specific design requirements. This characteristic promotes efficient processing and reduces production costs. 6. Fire resistance: Steel is inherently fire-resistant and does not contribute to the spread of flames. Consequently, steel round bars are the preferred choice in applications where fire safety is a concern, such as construction or industrial settings. 7. Recyclability: Steel is highly recyclable, making steel round bars an environmentally friendly option. They can be easily melted down and reused to create new steel products without compromising their properties or strength. In summary, the advantages of using steel round bars over other materials include their strength, durability, versatility, cost-effectiveness, corrosion resistance, machinability, fire resistance, and recyclability. These factors make steel round bars the preferred choice in various industries, including construction, manufacturing, automotive, and infrastructure projects.
- Q:
- Yes, steel round bars can be used in the manufacturing of agricultural equipment. Steel is a strong and durable material that provides the necessary strength and structural integrity required for agricultural machinery. It is commonly used in the production of components such as axles, shafts, and supports, making it suitable for various types of farming equipment.
- Q:
- Depending on the specific requirements and available equipment, there are various cutting methods that can be used for steel round bars. Here are some of the most commonly used ones: 1. Sawing: Sawing is a traditional and basic method of cutting steel round bars. It involves using a saw blade with teeth to cut through the metal. This can be done manually with a hacksaw or with the assistance of a bandsaw or circular saw. Sawing is a versatile method suitable for both small and large-scale cutting projects. 2. Shearing: Another commonly used method is shearing. It utilizes a shear machine or hydraulic press to apply high force and cut through the metal. Shearing is particularly effective for cutting thick or heavy-duty steel bars. 3. Abrasive cutting: For steel round bars with irregular shapes or precision cutting projects, abrasive cutting is often employed. This method involves using an abrasive wheel or disc to grind away the metal and create the desired cut. It can be performed manually with a handheld grinder or with the assistance of an abrasive cut-off saw. 4. Flame cutting: Also known as oxy-fuel cutting, flame cutting employs a combination of oxygen and a fuel gas to create a high-temperature flame that melts and cuts through the steel. This method is commonly used for cutting thick steel bars or shaping metal. 5. Plasma cutting: Plasma cutting is an advanced method that utilizes a plasma torch to cut through the steel. The torch generates a high-velocity jet of ionized gas, which melts and removes the metal. Plasma cutting is often preferred for precision cutting due to its greater control and ability to produce cleaner cuts compared to other methods. It is important to consider factors such as the thickness and hardness of the steel round bar, desired precision of the cut, and available equipment when selecting a cutting method. Consulting with a professional or experienced metalworker is recommended to determine the most suitable method for a specific project.
- Q:
- Yes, steel round bars can definitely be used in the fabrication of machinery. Steel round bars are commonly used in the manufacturing industry for various applications, including the fabrication of machinery and equipment. They possess several desirable properties that make them suitable for this purpose. Firstly, steel round bars offer excellent strength and durability. They are known for their high tensile strength, which means they can withstand heavy loads and resist deformation. This strength is crucial in machinery fabrication, as the components of machinery need to be able to endure the stresses and forces that they will be subjected to during operation. Additionally, steel round bars have good machinability, which means they can be easily shaped and formed into the desired components for machinery. This makes them highly versatile and allows for the creation of complex and intricate machine parts. Furthermore, steel round bars have good resistance to corrosion and wear, which is essential in machinery fabrication. Machinery often operates in harsh environments or comes into contact with various substances, such as chemicals, oils, or abrasive materials. The corrosion and wear resistance of steel round bars ensure that the fabricated machinery can withstand these conditions and maintain its performance over time. Lastly, steel round bars are readily available and cost-effective. They can be easily sourced from suppliers and manufacturers, making them a practical and economical choice for machinery fabrication. Overall, steel round bars are a popular and reliable material for the fabrication of machinery. Their strength, machinability, resistance to corrosion and wear, and availability make them an ideal choice for creating durable and high-performing machine components.
- Q:
- Yes, steel round bars can be used for gear applications. Steel round bars are often used in the manufacturing of gears due to their high strength and durability. They provide excellent mechanical properties, such as hardness and wear resistance, which are essential for gear applications. Steel round bars can be machined and heat-treated to achieve the desired tooth profile and surface finish required for gears. Additionally, steel round bars offer good dimensional stability and can withstand high loads and torque, making them suitable for various gear applications in industries such as automotive, machinery, and heavy equipment.
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