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 surface finishes for improved cleanliness?: There are several types of steel round bar surface finishes that can be used to improve cleanliness. 1. Bright Surface Finish: This is achieved by polishing the steel round bar, resulting in a smooth and reflective surface. Bright surface finishes are commonly used in applications where cleanliness and appearance are important, such as in the manufacturing of kitchen appliances or decorative items. 2. Satin Finish: This finish is achieved by brushing the steel round bar with fine abrasive pads, resulting in a smooth and matte surface. Satin finishes are often used in applications where a clean and modern aesthetic is desired, such as in architectural designs or furniture manufacturing. 3. Pickled Finish: This finish involves immersing the steel round bar in an acid solution, which removes any impurities or oxides from the surface. Pickled finishes are commonly used in applications where the steel round bar will be further processed, such as in the production of pipes or tubes. 4. Passivated Finish: This finish involves treating the steel round bar with a chemical solution, which forms a protective oxide layer on the surface. Passivated finishes are used to enhance the corrosion resistance of the steel round bar, making it suitable for applications in harsh or corrosive environments. 5. Shot Blasted Finish: This finish involves propelling small metal or ceramic particles at high velocity onto the surface of the steel round bar. Shot blasting removes any scale, rust, or surface contaminants, resulting in a clean and textured surface. Shot blasted finishes are commonly used in applications where a good bond between the steel round bar and another material, such as paint or coating, is required. Overall, the choice of steel round bar surface finish depends on the specific application and the desired level of cleanliness. Each finish offers unique properties and benefits, allowing for improved cleanliness and performance in various industries.

Q:What are the different types of steel round bar coatings used in the marine industry?: There are several different types of steel round bar coatings that are commonly used in the marine industry. These coatings are specifically designed to protect the steel from corrosion and other environmental factors that are prevalent in marine environments. Some of the most common types of steel round bar coatings used in the marine industry include: 1. Galvanized Coating: Galvanized steel round bars are coated with a layer of zinc. This coating provides excellent protection against corrosion and is highly durable. Galvanized coatings are commonly used in marine applications where the steel is exposed to saltwater and other corrosive elements. 2. Epoxy Coating: Epoxy coatings are widely used in the marine industry due to their excellent corrosion resistance and adhesion properties. These coatings are typically applied in multiple layers to ensure maximum protection. Epoxy coatings are effective in protecting steel round bars from saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are known for their exceptional resistance to UV rays, chemicals, and abrasion. They provide a high level of protection against corrosion in marine environments. Polyurethane coatings are commonly used in offshore structures and marine equipment where durability and long-term performance are crucial. 4. Organic Coatings: Organic coatings, such as acrylics and vinyls, are often used in the marine industry for their ability to provide a barrier against corrosion and environmental factors. These coatings are flexible, easy to apply, and resistant to UV radiation. They are commonly used in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings offer exceptional resistance to high temperatures, chemicals, and abrasion. They provide a hard, protective layer on steel round bars, making them suitable for marine applications that involve high heat and harsh environments. It is important to note that the selection of the appropriate steel round bar coating depends on the specific requirements of the marine application. Factors such as the type of exposure, expected service life, and budget should be taken into consideration when choosing the most suitable coating for a particular marine project.

Q:What is the yield strength to tensile strength ratio of a steel round bar?: The yield-to-tensile ratio, also known as the ratio of yield strength to tensile strength, is a significant mechanical property for evaluating the resilience of a steel round bar under tension. This ratio reflects the material's capacity to withstand deformation before failure. Generally, the yield strength represents the stress at which plastic deformation begins, while the tensile strength denotes the maximum stress the material can endure before fracturing. The yield-to-tensile ratio is determined by dividing the yield strength by the tensile strength. The yield-to-tensile ratio varies depending on the specific grade and composition of the steel. However, for most common structural steels, this ratio typically falls within the range of 0.6 to 0.8. In other words, the yield strength is generally around 60% to 80% of the ultimate tensile strength. A higher yield-to-tensile ratio indicates a more ductile and less brittle steel, as it suggests that the material can undergo substantial plastic deformation before ultimate failure. Conversely, a lower yield-to-tensile ratio implies a more brittle steel that is prone to fracture at lower levels of deformation. It is important to emphasize that the yield-to-tensile ratio is just one of several factors to consider when assessing the mechanical properties of a steel round bar. Other factors, such as hardness, toughness, and elongation, also play significant roles in determining the overall performance and suitability of the steel for a specific application.

Q:How are steel round bars used in the manufacturing of machinery and equipment?: Due to their inherent strength, durability, and versatility, steel round bars find extensive use in the production of machinery and equipment. These bars, typically made from carbon steel or alloy steel, are available in various diameters and lengths. One of the common applications of steel round bars is in fabricating shafts and axles, which are crucial for transmitting rotational motion and torque in machinery. These bars offer the necessary strength and stiffness to withstand the forces and stresses experienced during operation. They are often machined precisely and subsequently heat-treated to enhance their mechanical properties, such as hardness and toughness. Another significant use of steel round bars is in the manufacture of gears and sprockets. These components are essential for transmitting power and motion between different machine parts. Steel round bars are machined to form teeth or cogs that interlock, ensuring smooth and efficient operation. The high strength and wear resistance of steel enable gears and sprockets to endure heavy loads and repetitive motion without distorting or failing. Steel round bars also find application in manufacturing various machine components like bearings, couplings, and fasteners. Bearings, for example, depend on the strength and hardness of steel to support rotating or sliding shafts while minimizing friction and wear. Couplings, on the other hand, utilize steel round bars to connect different machine parts, efficiently transmitting power and motion. Steel round bars also serve as fasteners, providing a secure and dependable connection between different machine elements. Furthermore, steel round bars are frequently used in constructing machine frames and structures. Their high strength-to-weight ratio makes them ideal for providing structural support and stability. By utilizing steel round bars, manufacturers can create robust and reliable machinery and equipment capable of withstanding heavy loads, vibrations, and other challenging operating conditions. In conclusion, steel round bars play a vital role in the manufacturing of machinery and equipment. Their exceptional strength, durability, and versatility make them a favored choice for a wide range of applications. Whether it is for shafts, gears, bearings, or machine frames, steel round bars provide the necessary mechanical properties to ensure the reliable and efficient operation of machinery and equipment.

Q:How are steel round bars stored and transported?: Steel round bars are typically stored in warehouses or storage facilities. They are often stacked horizontally on racks or placed in designated storage areas. To prevent damage and ensure easy accessibility, bars of different sizes or grades are segregated and labeled accordingly. When it comes to transportation, steel round bars are commonly loaded onto flatbed trucks or shipping containers, depending on the quantity and distance of the shipment. To prevent movement and potential damage during transit, bars are secured using straps or other fastening methods. Additionally, protective coatings or wrapping materials may be applied to safeguard against corrosion or moisture. Overall, proper storage and transportation practices are crucial to maintain the quality and integrity of steel round bars.

Q:What is the maximum nickel content allowed for steel round bars?: The maximum nickel content allowed for steel round bars can vary depending on the specific steel grade and application. In general, nickel is added to steel to enhance its mechanical properties, such as strength and toughness. However, excessive nickel content can have detrimental effects on the weldability and machinability of steel. Therefore, industry standards and specifications often dictate the maximum allowable nickel content for different grades of steel round bars. It is crucial to refer to the applicable standards and specifications, such as ASTM, AISI, or ISO, to determine the specific maximum nickel content allowed for a given steel grade. These standards provide comprehensive guidelines and limits to ensure the quality and suitability of steel round bars for various applications.

Q:Can steel round bars be used in the manufacturing of garden tools?: Absolutely, garden tools can certainly incorporate steel round bars in their manufacturing process. Steel, known for its versatility and durability, is widely employed in the production of diverse tools, particularly those used in gardens. Shovels, rakes, hoes, and pruning shears are just a few examples of garden implements that can be crafted using steel round bars, thanks to their malleability. The exceptional strength and resilience of steel render it perfectly suited for enduring the strenuous demands of outdoor activities like digging, cutting, and scraping. Moreover, steel can be effortlessly honed and maintained, ensuring that the garden tools retain their efficacy and longevity.

Q:Can steel round bars be machined or forged?: Yes, steel round bars can be machined or forged. Machining involves using cutting tools to remove material from the round bar to achieve the desired shape or dimension. It can be done through various methods such as turning, milling, drilling, or grinding. Machining is commonly used to create precise components or parts. On the other hand, forging is a process where the steel round bar is heated and shaped by applying compressive forces. This is typically done using a hammer or a press to deform the material and create the desired shape. Forging helps enhance the mechanical properties of the steel, such as strength and toughness, by aligning the grain structure and removing any internal defects. Both machining and forging methods can be used to shape and manipulate steel round bars to meet specific requirements for various applications in industries such as automotive, construction, energy, and manufacturing. The choice between machining or forging depends on factors like the complexity of the part, required tolerances, material properties, and the desired final product.

Q:Can steel round bars be used for making fasteners?: Yes, steel round bars can be used for making fasteners. They are commonly used in the manufacturing of bolts, screws, and other types of fasteners due to their strength, durability, and ease of machining. Steel round bars provide the necessary mechanical properties and can be threaded or shaped to meet specific fastening requirements.

Q:What is the maximum weight of a steel round bar?: The maximum weight of a steel round bar depends on its diameter and length. Steel round bars come in various sizes and weights, so it is important to specify the dimensions in order to determine the maximum weight. The weight of a steel round bar can be calculated using the formula: weight = volume × density, where volume can be calculated as πr²h (pi times the square of the radius times the height) and density is the specific weight of steel (approximately 7850 kg/m³). By plugging in the appropriate values, you can calculate the maximum weight of a steel round bar.

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