low price of round bar hot rolled

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Specifications

Hot rolled round bar
1)Sizes:10mm-600mm
2)Lengths:4m-9m,other lengths can be customised
3)Standard:GB

Product Description

Hot rolled steel bar /alloy steel bar

Specification:

OD	Length	Material	Standard	Technique
16-260mm	6-12m or aques per request	20#	GB ASTM DIN	Hot rolled
16-350mm		45#		Hot rolled
200-500mm		45#		Forged
20-250mm		20Cr,40Cr,20-42CrMo		Hot rolled
50-300mm		GCr15		Hot rolled

Chemical component:

C	Mn	Si	P	S	Cr	Ni	Cu

0.18-0.24	0.50-0.80	0.17-0.37	≤0.035	≤0.035	0.70-1.00	≤0.030	≤0.030

Application:

30Cr round steel bar is mostly used in carburized parts(oil quenching), such as: transmission gear, gear shaft, CAM, worm, piston pin, claw clutch, etc.

Q: What is the tensile strength of steel round bars?: The tensile strength of steel round bars can vary depending on the specific grade and composition of the steel. However, on average, steel round bars typically have a tensile strength ranging from 400 to 700 megapascals (MPa).

Q: Can steel round bars be used in the telecommunications industry?: Indeed, the telecommunications industry can make effective use of steel round bars. These bars are frequently employed to offer structural reinforcement for a range of telecommunications equipment, including antennas, satellite dishes, and communication towers. Notably resilient, these bars can withstand adverse weather conditions, rendering them well-suited for outdoor installations. Furthermore, the ease with which steel round bars can be fabricated and molded to meet precise design specifications enables the seamless integration of diverse components within the telecommunications infrastructure.

Q: Can steel round bars be anodized?: No, steel round bars cannot be anodized. Anodizing is a process that is specific to aluminum and its alloys.

Q: What is the difference between 40Cr round steel and 40Cr steel forgings?: The casting process constructed a fine grain structure and improved the physical properties of the metal. The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.

Q: 12mm Round steel, the material is Q235, the maximum weight can bear?: The cross sectional area of 12mm steel is 3.14*36=113.04 mm, the maximum can bear much weight: 113.04*235=26564.40 cattle, is about 26.56440 kn.

Q: What are the different types of steel round bar surface treatments for improved hardness?: There are several different types of steel round bar surface treatments that can be used to improve hardness. Some common treatments include case hardening, nitriding, and induction hardening. Case hardening involves adding carbon to the surface of the steel to create a hardened outer layer, while nitriding involves introducing nitrogen to form a hard nitride layer. Induction hardening uses heat to quickly heat and cool the surface of the steel, creating a hardened layer. These treatments can significantly enhance the hardness and wear resistance of steel round bars.

Q: Can steel round bars be used in marine environments?: Yes, steel round bars can be used in marine environments. However, it is important to choose the right type of steel that is specifically designed for marine applications. Stainless steel is the most commonly used type of steel in marine environments due to its corrosion-resistant properties. It contains a high percentage of chromium, which forms a protective oxide layer on the surface of the steel, preventing corrosion from saltwater and other harsh elements. Additionally, stainless steel round bars are known for their strength and durability, making them suitable for various marine applications such as shipbuilding, offshore structures, and marine equipment. Regular maintenance and proper care are also essential to ensure the longevity and performance of steel round bars in marine environments.

Q: What are the advantages of using nickel-molybdenum alloy steel round bars?: There are several advantages of using nickel-molybdenum alloy steel round bars: 1. High strength and durability: Nickel-molybdenum alloy steel round bars have excellent strength and durability properties, making them suitable for use in high-stress applications. They can withstand heavy loads and provide long-lasting performance. 2. Corrosion resistance: The addition of nickel in the alloy enhances its corrosion resistance, making it resistant to various corrosive environments. This makes nickel-molybdenum alloy steel round bars ideal for use in industries where exposure to chemicals or moisture is common, such as the oil and gas industry or marine applications. 3. High temperature resistance: Nickel-molybdenum alloy steel round bars exhibit excellent heat resistance properties, allowing them to maintain their mechanical strength and structural integrity at high temperatures. This makes them suitable for use in applications where elevated temperatures are present, such as heat exchangers or power generation equipment. 4. Excellent machinability: Nickel-molybdenum alloy steel round bars can be easily machined and fabricated, allowing for various customization options. This makes them versatile and easily adaptable to different project requirements. 5. Weldability: These alloy steel round bars have good weldability, which means they can be easily joined to other components or structures using standard welding techniques. This makes them convenient for manufacturing processes and construction projects. 6. Cost-effective: Despite their excellent properties, nickel-molybdenum alloy steel round bars are relatively cost-effective compared to other high-performance alloys. This makes them a cost-efficient choice for various applications, providing value for money without compromising on quality. Overall, the advantages of using nickel-molybdenum alloy steel round bars include high strength, corrosion resistance, temperature resistance, machinability, weldability, and cost-effectiveness. These properties make them a preferred choice for various industries and applications where superior performance and durability are required.

Q: Can steel round bars be used in the renewable energy industry?: Yes, steel round bars can be used in the renewable energy industry. They are commonly used in the construction of wind turbine towers, solar panel structures, and hydroelectric power systems. Steel round bars offer high strength, durability, and resistance to corrosion, making them suitable for supporting and securing various renewable energy infrastructure components.

Q: What are the different grades of steel round bars?: Steel round bars come in various grades, each with its own distinct properties and characteristics. Some of the most commonly used grades are as follows: 1. Mild Steel, also known as low carbon steel, is widely preferred due to its affordability and versatility. It has a relatively low carbon content and is easily weldable and malleable. 2. Carbon Steel has a higher carbon content compared to mild steel, resulting in increased strength and durability. It is commonly used in applications that demand high strength and hardness, such as construction and machinery. 3. Alloy Steel round bars are created by combining carbon steel with different elements like chromium, nickel, or molybdenum. This combination enhances the material's properties, such as improved corrosion resistance, toughness, and tensile strength. 4. Stainless Steel round bars are predominantly made of iron and contain at least 10.5% chromium. This grade of steel is renowned for its exceptional corrosion resistance and is commonly used in industries, such as food and pharmaceuticals, where cleanliness and hygiene are critical. 5. Tool Steel round bars are specifically designed to withstand high temperatures, heavy loads, and repetitive impacts. They possess excellent hardness, wear resistance, and toughness, making them ideal for manufacturing tools and dies. 6. High-Speed Steel (HSS) round bars, a type of tool steel, can maintain their hardness even at high cutting speeds. They find extensive use in cutting, drilling, and machining applications that require high speeds, such as the production of drills and milling cutters. These are just a few examples of the wide variety of steel round bar grades available. Each grade is tailored to meet specific requirements in different industries and applications. It is crucial to select the appropriate grade based on factors like strength, corrosion resistance, and desired properties for a particular project or usage.

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