Steel Rolled Bars SAE1008 with High Quality Cheaperin China

Steel Rolled Bars SAE1008 with High Quality Cheaperin China System 1

Steel Rolled Bars SAE1008 with High Quality Cheaperin China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 221 m.t.

Supply Capability:: 20000333 m.t./month

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Specification

Standard:

Technique:

Saw

Shape:

U Channel

Surface Treatment:

Oiled

Steel Grade:

Q215

Certification:

SGS

Thickness:

Width:

Length:

Net Weight:

Description of steel round bar:

Mild steel is sometimes referred to as carbon steel or plain steel. Typically, it is stiff and strong. Carbon steelsdo rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most fabrications. Mild Steel can be easily cut or drilled to meet your requests.It is used in the manufacture of a higher strength and higher quenching and tempering section of the 35CrMo steel, like big locomotive traction gears, supercharger drive gear, rear axle, the connecting rod and the spring load greatly clip.

Festures of steel round bar:

1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days

Quality High Carbon Steel Round Bar
Garde:20CrMo30 CrMo 35CrMo 42CrMo
Dia:18-230mm
Standard GB,JIS,ASTM,DIN,AISI,BS

Specifications of steel round bar:

Grade	Chemical Contents %
Grade	C	Si	Mn	P	S
45	0.42~0.50	0.17~0.37	0.50~0.80	≤0.035	≤0.035
50	0.47~0.55	0.17~0.37	0.50~0.80	≤0.035	≤0.035
55	0.52~0.60	0.17~0.37	0.50~0.80	≤0.035

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 is the cost of steel round bars?: The cost of steel round bars can vary depending on factors such as the size, grade, and market conditions. It is recommended to contact suppliers or check online catalogs for the most accurate and up-to-date pricing information.

Q: Can steel round bars be used for gear applications?: 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.

Q: Can steel round bars be used in the automotive parts industry?: Yes, steel round bars can be used in the automotive parts industry. Steel round bars are commonly used in the manufacturing of various automotive components due to their excellent strength, durability, and resistance to wear and tear. These bars can be fabricated into different shapes and sizes to meet the specific requirements of automotive parts such as axles, drive shafts, suspension components, steering components, and gears. The use of steel round bars ensures the structural integrity and reliability of automotive parts, making them ideal for withstanding the demanding conditions and loads experienced in the automotive industry.

Q: How do you prevent scaling of steel round bars during heat treatment?: To prevent scaling of steel round bars during heat treatment, there are several measures that can be taken: 1. Use a protective atmosphere: Heat treatment can be carried out in a controlled atmosphere, such as in a furnace with a controlled gas environment. This prevents the exposure of the steel bars to oxygen, which is the primary cause of scaling. 2. Apply a protective coating: Coating the steel round bars with a protective substance, such as a refractory material or a thin layer of paint, can help prevent scaling. This coating acts as a barrier between the steel and the oxygen in the atmosphere, reducing the chances of scaling. 3. Use a reducing atmosphere: Instead of using a normal atmospheric environment, heat treatment can be conducted in a reducing atmosphere. This involves introducing gases like hydrogen or nitrogen into the furnace, which react with the oxygen to create a more controlled environment and prevent scaling. 4. Control the heating rate: Rapid heating can lead to increased scaling due to the sudden exposure of the steel to high temperatures. By controlling the heating rate, such as using a gradual ramp-up in temperature, scaling can be minimized. 5. Limit the exposure time: Minimizing the time that the steel round bars are exposed to high temperatures can help prevent scaling. This can be achieved by optimizing the heat treatment process and ensuring that the bars are not held at elevated temperatures for longer than necessary. 6. Clean the surface before heat treatment: Prior to heat treatment, it is crucial to remove any contaminants or residues from the surface of the steel round bars. This can be done through mechanical cleaning methods like wire brushing or chemical cleaning techniques, ensuring a clean surface that is less prone to scaling. By implementing these preventative measures, the scaling of steel round bars during heat treatment can be effectively minimized, leading to improved quality and performance of the treated bars.

Q: Are steel round bars suitable for agricultural applications?: Yes, steel round bars are suitable for agricultural applications. They possess strong structural integrity, durability, and resistance to corrosion, making them ideal for various agricultural uses such as fencing, livestock handling equipment, and machinery parts. The versatility and reliability of steel round bars make them a popular choice in the agricultural industry.

Q: What are the different grades of steel used in round bars?: There are various grades of steel used in round bars, each with its own unique properties and applications. Some commonly used grades include: 1. Mild Steel (Grade 1018): This is a low carbon steel with good machinability and weldability. It is often used in general engineering applications, such as construction, automotive, and machinery. 2. Carbon Steel (Grade 1045): Carbon steel is a medium carbon steel with high tensile strength and good wear resistance. It is commonly used in shafts, axles, gears, and other high-stress applications. 3. Alloy Steel (Grades 4140, 4340): Alloy steels contain additional elements such as chromium, molybdenum, or nickel to enhance their mechanical properties. These grades offer excellent strength, toughness, and wear resistance and are often used in applications that require high strength and durability, such as automotive parts, aircraft components, and industrial machinery. 4. Stainless Steel (Grades 304, 316): Stainless steel is a corrosion-resistant steel that contains a minimum of 10.5% chromium. It is widely used in various industries, including food processing, chemical, and medical, due to its excellent corrosion resistance, heat resistance, and aesthetic appeal. 5. Tool Steel (Grades A2, D2): Tool steels are specifically designed to have high hardness, wear resistance, and toughness. They are commonly used in the manufacturing of cutting tools, dies, and molds. These are just a few examples of the different grades of steel used in round bars. The selection of the appropriate grade depends on the specific application requirements, including strength, corrosion resistance, heat resistance, and machinability.

Q: Can steel round bars be used for making medical equipment?: Medical equipment can indeed be made using steel round bars. Steel is a versatile and durable material that is commonly used in the manufacturing of medical instruments and equipment. It possesses excellent strength and can withstand high levels of stress and pressure, making it suitable for a wide range of medical applications. Moreover, steel's resistance to corrosion and its ability to be easily sterilized ensure that the medical equipment remains hygienic and safe for use. Steel round bars can be machined, shaped, and formed into various medical instruments such as surgical tools, implants, braces, and prosthetics. Therefore, steel round bars are a viable option for producing medical equipment due to their strength, durability, and compatibility with sterilization processes.

Q: Can steel round bars be used for making security grilles?: Yes, steel round bars can be used for making security grilles. The strength and durability of steel make it an excellent choice for security applications, providing protection and ensuring the safety of premises.

Q: How do steel round bars perform in low-temperature environments?: Steel round bars generally perform well in low-temperature environments. The mechanical properties of steel, such as strength and toughness, are typically maintained at low temperatures. However, it is important to consider the specific grade of steel being used, as some grades may exhibit reduced impact resistance or brittleness at extremely low temperatures. One common concern is the potential for brittle fracture in steel round bars at low temperatures. This can occur when the steel transitions from a ductile to a brittle state. However, most standard steel grades used in construction and industry are designed to resist brittle fracture even in low-temperature environments. Certain special alloy steels, such as low-temperature carbon steels, are specifically formulated to provide superior performance in extremely cold conditions. These steels contain additional elements, such as nickel or manganese, which enhance their low-temperature properties. They are often used in applications that require excellent toughness and impact resistance, such as offshore structures or cryogenic storage tanks. In summary, steel round bars generally perform well in low-temperature environments, and their mechanical properties are typically maintained. However, it is important to select the appropriate steel grade for the specific low-temperature application to ensure optimal performance and prevent potential issues such as brittle fracture.

Q: What is the difference between a hot-rolled and a cold-drawn steel round bar?: The main difference between a hot-rolled and a cold-drawn steel round bar lies in the manufacturing process. Hot-rolled steel round bars are formed by heating and rolling the steel at high temperatures, resulting in a rougher surface finish and less precise dimensions. On the other hand, cold-drawn steel round bars are formed by pulling the steel through a die at room temperature, resulting in a smoother surface finish and more precise dimensions. Cold-drawn steel round bars also tend to have improved mechanical properties and a higher strength-to-weight ratio compared to hot-rolled steel round bars.

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