6mm*0.222kg/m round bar for construction RB

6mm*0.222kg/m round bar for construction RB System 1

6mm*0.222kg/m round bar for construction RB

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

OKorder is offering 6mm*0.222kg/m round bar for construction RB 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:

6mm*0.222kg/m round bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

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:

Specifications of High Quality Round Bar

1. Grade: GB, JIS, ASTM, EN

2. Grade: Q235, SS400, A36, S235JR

3. Diameter and mass: As below

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

4. Material: Mild Steel

5. 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

Usage and Applications of High Quality Round Bar

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.

4) Is used for cold forging die and drawing mode, etc.

5) Recommended watchcase factory, screw factory and other cold stamping products industry use.

Packaging & Delivery of High Quality Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

Production Flow of High Quality Round Bar

The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.

FAQ:

Q1: How do we guarantee the quality of our products?

A1: 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.

Q2: Can stainless steel rust?

A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

Hight quality round bar for construction RB

Q:What are the options for joining steel round bars?: There are several options for joining steel round bars, including welding, using mechanical fasteners such as bolts or screws, and adhesive bonding. The choice of method depends on factors such as the specific application, desired strength and durability, and available resources.

Q:What are the different grades of alloy steel round bars for automotive applications?: Automotive applications commonly utilize alloy steel round bars due to their exceptional strength, durability, and resistance to wear and corrosion. The grading of these bars is typically based on their chemical composition, mechanical properties, and appropriateness for specific automotive uses. Here are several distinct grades of alloy steel round bars frequently employed in automotive applications: 1. 4140/42CrMo4: Renowned for its high tensile strength, good toughness, and excellent fatigue strength, this grade of alloy steel round bars is extensively employed in gears, crankshafts, axles, and suspension components. 2. 8620: Offering exceptional hardenability, this grade of alloy steel round bars can be subjected to heat treatment to attain high strength and toughness. It is commonly utilized in shafts, gears, and camshafts. 3. 4340: Known for its impressive strength and toughness, this grade of alloy steel round bars provides good wear resistance and can be heat treated to achieve even greater hardness and strength. It is often used in connecting rods, crankshafts, and high-stress components. 4. 52100: This high carbon, chromium alloy steel is renowned for its outstanding hardness and wear resistance. It is commonly employed in applications such as bearings and races that require high strength and durability. 5. 316L: Recognized for its exceptional corrosion resistance, particularly in harsh environments, this grade of alloy steel round bars is frequently utilized in automotive applications like exhaust systems, where resistance to corrosion is crucial. 6. 4340M: Specifically designed for high-performance automotive applications, this modified version of the 4340 grade offers improved fatigue strength and toughness. It is suitable for demanding applications, including high-performance engine components. These examples represent only a few of the various grades of alloy steel round bars employed in automotive applications. The selection of a specific grade depends on the requirements of the application, including desired strength, toughness, wear resistance, and corrosion resistance.

Q:What is the difference between a bright and a rough turned steel round bar?: The primary differences between a bright turned steel round bar and a rough turned steel round bar lie in their surface finishes and the precision involved in their manufacturing processes. A bright turned steel round bar boasts a sleek and shiny surface finish. This is achieved by subjecting the bar to supplementary processes such as polishing or grinding after the initial turning operation. The bright surface finish not only enhances the bar's aesthetic appeal but also provides improved resistance against corrosion. Conversely, a rough turned steel round bar exhibits a more textured surface finish. It is typically obtained directly from the turning operation without any additional refining processes. The rough surface finish may display visible tool marks and a slightly uneven texture. Regarding manufacturing precision, a bright turned steel round bar tends to be more accurate and precise in terms of its dimensions and tolerances. The additional processes involved in attaining a bright surface finish also enable tighter control over the bar's specifications. As a result, bright turned bars are suitable for applications where precise dimensions and tolerances are crucial. In contrast, a rough turned steel round bar may have slightly looser tolerances due to the nature of the turning process and the absence of further refining operations. Nevertheless, rough turned bars can still meet the requirements of many applications that do not necessitate high precision. Ultimately, the choice between a bright turned steel round bar and a rough turned steel round bar hinges on the specific application and the desired surface finish and precision.

Q:What are the common applications of steel round bars?: Steel round bars are highly valued in various industries because of their strength, versatility, and durability. They find widespread use in different sectors, including construction, manufacturing, automotive, aerospace, energy and power, and the oil and gas industry. In construction, steel round bars are commonly employed for building frames, bridges, and infrastructure, providing structural support and withstanding heavy loads. They are also frequently used to reinforce concrete structures, enhancing their strength and resilience. The manufacturing industry relies on steel round bars for the production of various components and machinery. Gears, shafts, couplings, and axles are commonly fabricated using these bars due to their excellent machinability and ability to withstand high levels of stress and pressure. Within the automotive sector, steel round bars are extensively used to manufacture critical components such as crankshafts, steering systems, suspension parts, and axles. Their high tensile strength and resistance to wear and tear play a crucial role in ensuring the safety and reliability of vehicles. The aerospace industry heavily depends on steel round bars for the production of aircraft components, including landing gear, propeller shafts, and structural elements. Steel's high strength-to-weight ratio and exceptional fatigue resistance make it an ideal choice for withstanding the extreme conditions experienced in aerospace applications. In the energy and power sector, steel round bars are employed in the manufacturing of equipment like turbines, generators, and power transmission systems. Steel's ability to handle high temperatures and its resistance to corrosion make it a suitable material for these applications. The oil and gas industry extensively utilizes steel round bars for the production of drilling equipment, pipelines, and valves. Steel's resistance to corrosion and high-pressure environments makes it an indispensable material in this sector. In conclusion, steel round bars find a multitude of applications across industries due to their strength, versatility, and resistance to wear and tear. They play a crucial role in construction, manufacturing, automotive, aerospace, energy and power, as well as the oil and gas industry.

Q:Can steel round bars be used in the automotive industry?: Indeed, the automotive industry does make use of steel round bars. These bars are frequently employed in various capacities within the industry. Specifically, they are commonly utilized in the fabrication of different components, including axles, drive shafts, suspension parts, and steering components. The reason for their popularity lies in their exceptional attributes, such as high strength, durability, and resistance to wear and tear. These qualities enable them to withstand the rigorous conditions and heavy loads that automotive components are subjected to. Moreover, the ease with which steel round bars can be machined and welded facilitates efficient production and assembly processes in the automotive sector. Consequently, steel round bars are highly regarded as a dependable and cost-effective option for automotive manufacturers, making them a favored material in the industry.

Q:How do I calculate the length of a steel round bar based on weight?: To calculate the length of a steel round bar based on its weight, you need to know the density of steel and the weight of the bar. First, determine the density of steel, which is typically around 7850 kilograms per cubic meter. This value may vary depending on the type and grade of steel being used. Next, convert the weight of the steel round bar to kilograms if it is given in a different unit. For example, if the weight is given in pounds, you can multiply it by 0.4536 to convert it to kilograms. Once you have the weight in kilograms, you can use the formula: Length = Weight / (Density * π * (Diameter/2)^2) In this formula, the diameter should be in meters, so if it is given in a different unit, convert it accordingly. The symbol "π" represents the mathematical constant pi, which is approximately equal to 3.14159. By plugging in the values into the formula, you can calculate the length of the steel round bar. Remember to use consistent units throughout the calculation to obtain accurate results. It's important to note that this calculation assumes the round bar has a uniform diameter along its length. If the bar has varying diameters or irregularities, the calculation may provide an approximation rather than an exact length.

Q:Are steel round bars suitable for the production of hydraulic cylinders?: Yes, steel round bars are suitable for the production of hydraulic cylinders. Steel is a material known for its strength, durability, and resistance to corrosion, making it an excellent choice for hydraulic applications. Steel round bars are often used in the construction of hydraulic cylinders due to their high tensile strength and ability to withstand heavy loads and pressure. Additionally, steel can be easily machined and welded, allowing for precise manufacturing and customization of hydraulic cylinders. Overall, steel round bars provide the necessary qualities and performance required for the production of hydraulic cylinders.

Q:What is the maximum silicon content allowed for steel round bars?: The maximum silicon content allowed for steel round bars can vary depending on the specific grade and application of the steel. However, in general, the maximum silicon content for most standard carbon and alloy steels used in round bars is typically around 0.35% to 0.45%. Exceeding this limit can lead to detrimental effects on the steel's mechanical properties, such as reduced toughness and increased brittleness. It is important to consult the relevant industry standards and specifications to determine the specific maximum silicon content allowed for a particular steel grade and intended use.

Q:Can steel round bars be used for making control arms?: Yes, steel round bars can be used for making control arms. Control arms are important components of a suspension system in vehicles, which connect the chassis to the wheel hub. They are subjected to significant forces and stresses during operation, including torsion, bending, and compression. Steel round bars, particularly those made from high-strength steel alloys, possess excellent mechanical properties, such as high tensile strength, good ductility, and high fatigue resistance, making them suitable for control arm applications. Additionally, steel round bars can be easily machined and welded, allowing for the creation of complex and precise control arm designs. However, it is important to ensure that the selected steel round bars meet the required specifications and standards for control arm fabrication, including dimensional accuracy, material composition, and quality control.

Q:What is the difference between a bright and a cold finished steel round bar?: A bright steel round bar refers to a steel bar that has undergone a process called bright drawing, which involves passing the bar through a series of dies to achieve a smooth and shiny surface finish. On the other hand, a cold finished steel round bar is produced by cold drawing, which involves pulling the bar through a die to reduce its diameter and improve its dimensional accuracy. The cold finishing process does not result in a bright and shiny surface like bright drawing does, but it enhances the mechanical properties and overall quality of the bar.

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