45# China Standard Forged Steel Round Bar

45# China Standard Forged Steel Round Bar System 1

45# China Standard Forged Steel Round Bar

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

OKorder is offering Round Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.

2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.

3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.

Product Advantages:

OKorder's Round Bar are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Diameter	Mass	Diameter	Mass	Diameter	Mass
(mm)	(kg/m)	(mm)	(kg/m)	(mm)	(kg/m)
6	0.22	22	2.98	53	17.30
7	0.30	24	3.55	56	19.30
8	0.40	25	3.85	60	22.20
9	0.50	26	4.17	63	24.50
10	0.62	28	4.83	65	26.00
11	0.75	30	5.55	70	30.20
12	0.89	32	6.31	75	34.70
13	1.04	34	7.13	80	39.50
14	1.21	36	7.99	85	44.50
15	1.39	38	8.90	90	49.90
16	1.58	40	9.86	95	55.60
17	1.78	42	10.90	100	61.70
18	2.00	45	12.50	120	88.85
19	2.23	48	14.20	140	120.93
20	2.47	50	15.40	150	138.82

Material: Mild Steel

Heat treatment of high quality steel:

Fire: Isothermal annealing temperature is 800 ~ 880 °C, with 10 ~ 20 °C, the furnace cooling to about 600 °C, hardness above HB269.

Preheat temperature: 730-730 °C

Quenching temperature: 1190-1210 °C

Tempering temperature: 540-595 °C

Cold drawn, hardness 285 HBS

Cold drawn after annealing condition, hardness 277 HBS

Quenching methods: oil quenching, air cooling or salt bath quenching

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

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45# China Standard Forged Steel Round Bar

Q: What are the different types of steel round bar alloys for improved wear resistance?: Various steel round bar alloys have been specifically developed to enhance wear resistance. These alloys are designed to possess increased hardness and toughness, making them suitable for situations where constant friction or abrasive forces are present. One popular alloy is tool steel, which includes variations such as H13, D2, and A2. Tool steel is renowned for its high hardness, exceptional wear resistance, and good toughness. It finds common usage in applications such as molding and forming tools, cutting tools, and dies. Stainless steel is another alloy utilized for improved wear resistance. Stainless steel round bars are resistant to corrosion and possess strong properties. They are frequently employed in applications like food processing equipment, medical devices, and marine components. Abrasion-resistant steel, also referred to as AR steel, is a distinct type of alloy used to enhance wear resistance. AR steel is specially formulated to endure impacts and abrasion, making it ideal for applications in mining equipment, construction machinery, and material handling systems. Manganese steel is another alloy that provides exceptional wear resistance. It is commonly utilized in applications involving high impact and abrasive wear, such as crusher jaws, railroad crossings, and excavator buckets. Lastly, there are specialty alloys like chrome-moly steel (chromium-molybdenum) and nickel-chromium alloys, which offer superior wear resistance under specific conditions. These alloys are frequently employed in high-temperature applications, such as aerospace components, power generation equipment, and automotive parts. In conclusion, a variety of steel round bar alloys, including tool steel, stainless steel, abrasion-resistant steel, manganese steel, and specialty alloys, have been developed to enhance wear resistance. Each alloy possesses unique properties and is suitable for specific applications where wear resistance is crucial.

Q: What is the difference between a bright and a cold finished steel round bar?: Two distinct types of steel bars are the bright steel round bar and the cold finished steel round bar. These bars differ in their manufacturing processes and resulting characteristics. The bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, a lathe machine rotates the rough steel bar while a cutting tool removes its outer layer. This results in a smooth and shiny surface, enhancing the bar's appearance, dimensional accuracy, and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, the cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. This process involves passing the hot-rolled steel bar through a series of dies at room temperature. As a result, the bar's diameter is reduced while its length is increased. This cold working process improves the mechanical properties of the steel bar, including increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In conclusion, the main distinction between the bright steel round bar and the cold finished steel round bar lies in their manufacturing processes and resulting characteristics. The bright steel round bar is turned or polished to achieve a smooth and shiny surface, while the cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.

Q: Can steel round bars be used in the manufacturing of bicycles?: Yes, steel round bars can be used in the manufacturing of bicycles. Steel round bars are commonly used in various parts of bicycles, such as the frame, handlebars, cranksets, and seatposts. Steel is a durable and strong material that can withstand the stresses and strains of cycling. It is also relatively inexpensive compared to other materials like carbon fiber. Steel round bars provide the necessary strength and stability required for a bicycle's structural components, ensuring a safe and reliable ride. Additionally, steel can be easily manipulated and shaped to meet the specific design requirements of a bicycle, making it a versatile material for manufacturing. Overall, steel round bars are a popular choice in the bicycle industry due to their durability, strength, and cost-effectiveness.

Q: How are steel round bars priced?: Steel round bars are typically priced based on several factors. One of the key factors is the cost of raw materials, which includes the cost of steel billets or ingots used to produce the round bars. The price of these raw materials can fluctuate based on market conditions, such as supply and demand dynamics and changes in input costs. Another factor that influences the pricing of steel round bars is the manufacturing process involved. The cost of transforming raw materials into finished round bars includes expenses such as energy consumption, labor costs, and equipment maintenance. These costs can vary depending on the complexity of the manufacturing process and the efficiency of the production facilities. Market conditions also play a significant role in determining the pricing of steel round bars. Factors such as global economic trends, industry demand, and competition among suppliers can impact the market price. If there is high demand for steel round bars, manufacturers may be able to charge a premium price. Conversely, during periods of oversupply, prices may be lower as suppliers compete for customers. Additionally, the size, grade, and quality of the steel round bars can affect the pricing. Larger diameter bars or specialty grades that require additional processing steps or high-quality raw materials may be priced higher than standard sizes or lower-grade bars. Finally, transportation costs and logistics can also influence the pricing of steel round bars. Shipping distances, freight rates, and any additional handling fees can add to the overall cost of the product. In summary, the pricing of steel round bars is influenced by the cost of raw materials, the manufacturing process, market conditions, the size and grade of the bars, and transportation costs. Understanding these factors can help buyers and sellers negotiate fair prices for steel round bars.

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.

Q: What are the different surface finishes available for steel round bars?: There are several surface finishes available for steel round bars, each offering unique properties and applications. Some of the common surface finishes include: 1. Hot Rolled: This is the most basic surface finish, achieved by heating the steel above its recrystallization temperature and then allowing it to cool. It provides a rough and scaled surface, ideal for applications that do not require a high level of aesthetics. 2. Cold Drawn: In this process, the steel round bar is pulled through a die at room temperature, resulting in a smooth and polished surface. Cold drawn surface finish offers improved dimensional accuracy and tighter tolerances, making it suitable for applications that require precision and a visually appealing appearance. 3. Turned and Polished: Steel round bars can be turned on a lathe machine to achieve a smooth and shiny surface finish. This process removes any imperfections and irregularities, providing a close tolerance and highly finished surface. Turned and polished bars are often used in applications where a high level of surface finish and dimensional accuracy is required, such as in the manufacturing of shafts and precision components. 4. Ground: Steel round bars can be ground to remove any surface defects or irregularities. Grinding produces a highly accurate and smooth surface finish, making it suitable for applications that require close tolerances and a superior surface finish. Ground bars are commonly used in the manufacturing of bearings, gears, and other high-precision components. 5. Coated: Steel round bars can also be coated with various materials to enhance their performance and protect them from corrosion. Common coating options include zinc, chrome, and nickel. Coated bars offer improved durability, resistance to corrosion, and enhanced aesthetic appeal. The choice of surface finish for steel round bars depends on the specific requirements of the application, such as dimensional accuracy, surface quality, corrosion resistance, and aesthetic appeal.

Q: Can steel round bars be used in the production of musical instruments?: Yes, steel round bars can be used in the production of musical instruments. Steel is a versatile material that offers a range of desirable properties such as strength, durability, and resonance. While wood is commonly used in the construction of musical instruments, steel can be employed in certain applications to enhance the instrument's sound and performance. Steel round bars can be utilized in the manufacturing of various components, such as keys or valves for wind instruments like saxophones or trumpets. These bars can also be used to create the internal support structures in instruments like guitars or cellos, providing stability and enhancing tonal qualities. Additionally, steel round bars can be used in the construction of percussion instruments such as steel drums or xylophones, where their strong and resonant properties are highly desirable. Overall, while steel is not as commonly used as wood in musical instrument production, it can certainly be employed in specific cases to achieve desired sound characteristics and structural integrity.

Q: Can steel round bars be recycled?: Yes, steel round bars can be recycled. Steel is a highly recyclable material, and this includes steel round bars. Recycling steel round bars involves collecting the scrap material, melting it down, and then reshaping it into new steel products. This process can be done repeatedly without compromising the quality or strength of the steel. Recycling steel round bars not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions compared to producing new steel. It is an environmentally friendly option that helps to promote sustainability and reduce waste.

Q: What is the machinability of a steel round bar?: The ease with which a steel round bar can be shaped, cut, and modified using machining processes determines its machinability. This property measures how easily the steel material can be worked on with tools like lathes, mills, drills, and cutting or shaping tools. Several factors influence the machinability of a steel round bar, including its chemical composition, microstructure, and any heat treatment it has undergone. Elements like sulfur, phosphorus, and lead can either enhance or hinder machinability, while alloying elements like chromium, molybdenum, and nickel can also have an impact. Steel round bars with high machinability are characterized by their ability to be easily cut, drilled, and shaped with minimal tool wear and power consumption. They also produce smooth, precise finishes with minimal surface defects. On the other hand, low machinability steel round bars are more challenging to work with and may require more power, specialized tools, and slower cutting speeds. Considering the machinability of a steel round bar is important when selecting materials for machining applications. Factors like desired cutting speed, tool life, surface finish, and overall machining efficiency should be taken into account. The specific machining operations, such as turning, milling, or drilling, will also influence the choice of steel round bar with suitable machinability. In conclusion, the machinability of a steel round bar is a crucial factor in determining its suitability for various machining processes. Understanding the machinability characteristics of different steel grades can help in selecting the most appropriate material for specific machining applications, ensuring efficient and effective machining operations.

Q: What is the corrosion resistance of steel round bars?: The corrosion resistance of steel round bars depends on the specific type of steel used and any additional coatings or treatments that have been applied. Generally, stainless steel round bars have excellent corrosion resistance due to their high levels of chromium and nickel, which form a protective oxide layer on the surface. However, carbon steel round bars are more susceptible to corrosion and may require additional protection such as galvanization or painting to enhance their resistance.

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