Special Steel Round Bar

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Product Description:

OKorder is offering Special Steel 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:

Special Steel 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 Special Steel 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:

Manufacture: Hot rolled

Grade: Q195 – 235

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

Chinese Standard (HWT)	Weight (Kg/m)	6m (pcs/ton)	Light I (HWT)	Weight (Kg/m)	6m (pcs/ton)	Light II (HWT)	Weight (Kg/m)	6M
100684.5	11.261	14.8	100664.3	10.13	16.4	100644	8.45	19.7
120745.0	13.987	11.9	120724.8	12.59	13.2	120704.5	10.49	15.8
140805.5	16.89	9.8	140785.3	15.2	10.9	140765	12.67	13.1
160886	20.513	8.1	160865.8	18.46	9	160845.5	15.38	10.8
180946.5	24.143	6.9	180926.3	21.73	7.6	180906	18.11	9.2
2001007	27.929	5.9	200986.8	25.14	6.6	200966.5	20.95	7.9
2201107.5	33.07	5	2201087.3	29.76	5.6	2201067	24.8	6.7
2501168	38.105	4.3	2501147.8	34.29	4.8	2501127.5	28.58	5.8
2801228.5	43.492	3.8	2801208.2	39.14	4.2	2801208	36.97	4.5
3001269	48.084	3.4	3001249.2	43.28	3.8	3001248.5	40.87	4
3201309.5	52.717	3.1	3201279.2	48.5	3.4
36013610	60.037	2.7	3601329.5	55.23	3

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.

Q4: What makes stainless steel stainless?

A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q5: Can stainless steel rust?

A5: 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.

Images:

Special Steel Round Bar

Q: What is the difference between hot rolled and cold drawn steel round bars?: Hot rolled steel round bars undergo the process of heating a steel billet or ingot at a high temperature and subsequently rolling it into the desired shape. This process yields a rougher surface finish and a greater diameter tolerance in comparison to cold drawn steel round bars. The usage of hot rolled bars is frequently found in areas where strength and durability hold significance, such as in construction and manufacturing. On the contrary, cold drawn steel round bars are created by pulling a hot rolled bar through a die at room temperature, leading to a smoother surface finish and tighter diameter tolerances. This procedure also enhances the mechanical properties of the steel, including its strength and hardness. Cold drawn bars are often employed in scenarios where precision and a high-quality surface finish are prerequisites, like in the production of shafts, bolts, and precision components. To summarize, the principal disparities between hot rolled and cold drawn steel round bars encompass the surface finish, diameter tolerance, and mechanical properties. Hot rolled bars bear a rougher surface finish, larger diameter tolerances, and are typically utilized in contexts where strength and durability are paramount. Cold drawn bars possess a smoother surface finish, tighter diameter tolerances, and are commonly employed in situations necessitating precision and a high-quality surface finish.

Q: Can steel round bars be used in the manufacturing of electrical components?: Indeed, the utilization of steel round bars is feasible in the production of electrical components. The malleable nature of steel renders it a flexible material that endows exceptional vigor and robustness, thus rendering it apt for a plethora of applications, including the manufacturing of electrical components. Steel round bars can be employed as linkages, connectors, or supports in electrical devices and apparatus. Consequently, they impart stability, reinforcement, and shielding to the electrical components, guaranteeing their optimal operation and protracted lifespan. Furthermore, steel is easily machinable, weldable, and moldable, thereby enabling manufacturers to tailor the round bars to the specific requirements of the electrical components. Nevertheless, one must bear in mind that depending on the precise application and environment in which they are employed, steel round bars may necessitate appropriate insulation or coating to prevent any electrical conductivity or interference.

Q: Can steel round bars be hardened through heat treatment?: Yes, steel round bars can be hardened through heat treatment. Heat treatment processes such as quenching and tempering can be used to change the microstructure of the steel, resulting in increased hardness and strength.

Q: How do you check the quality of a steel round bar?: To check the quality of a steel round bar, several factors need to be considered. Firstly, it is important to assess the bar's dimensions. This involves measuring its diameter, length, and straightness. Any deviation from the specified dimensions could indicate a lower quality bar. Next, the surface condition of the steel round bar should be inspected. It should be free from any visible defects, such as cracks, pits, or surface irregularities. Additionally, the bar's surface should be smooth and devoid of any significant roughness or burrs. Furthermore, the chemical composition of the steel round bar must be examined. This can be determined through spectroscopic analysis or other testing methods. The composition should meet the required standards and specifications, as any deviations can affect the bar's strength and durability. Another crucial aspect to consider is the mechanical properties of the steel round bar. This involves testing its tensile strength, yield strength, and elongation. These tests can be conducted using specialized machines to ensure that the bar meets the necessary strength requirements. Additionally, the steel round bar can be subjected to non-destructive testing methods, such as ultrasonic testing or magnetic particle inspection. These techniques help identify any internal or surface defects that may impact the bar's quality. Furthermore, it is essential to verify the bar's compliance with industry standards and certifications. This includes checking if the steel round bar meets the specifications set by organizations such as ASTM International or ISO. Lastly, it is advisable to consult with reputable suppliers or manufacturers who have a proven track record in producing high-quality steel round bars. They can provide documentation, certifications, and test reports to validate the quality of their products. In summary, evaluating the dimensions, surface condition, chemical composition, mechanical properties, compliance with standards, and supplier's reputation are key steps to check the quality of a steel round bar. By thoroughly examining these factors, one can ensure the reliability and performance of the steel round bar for their intended applications.

Q: What is the maximum chromium content allowed for steel round bars?: The allowable chromium content in steel round bars is determined by the grade or specification of the steel. Typically, the chromium content in these bars can span from 0.15% to 30%, although this range may vary depending on the desired properties and intended application of the steel. Stainless steel grades often exhibit higher chromium content as they are renowned for their resistance to corrosion. To ascertain the maximum allowable chromium content for particular steel round bars, it is crucial to refer to the pertinent industry standards or specifications.

Q: Can steel round bars be used in the production of agricultural machinery?: Yes, steel round bars can be used in the production of agricultural machinery. Steel is a durable and strong material that is commonly used in various industries, including agriculture. Steel round bars can be utilized for manufacturing components such as axles, shafts, and frames, providing stability and strength to agricultural machinery.

Q: What are the different types of steel round bars used in the marine industry?: Various applications in the marine industry require the use of different types of steel round bars. These round bars are specifically designed to withstand the challenging marine environment and offer high strength and resistance to corrosion. 1. Stainless Steel Round Bars: Due to their exceptional corrosion resistance, stainless steel round bars are extensively used in the marine industry. They can endure saltwater, acids, and other corrosive elements commonly found in the marine environment. Marine fittings, fasteners, and propeller shafts are among the common uses for stainless steel round bars. 2. Carbon Steel Round Bars: Known for their durability and high strength, carbon steel round bars find application in various marine fields such as shipbuilding, offshore structure construction, and marine equipment fabrication. Different grades of carbon steel round bars are available, with higher carbon content providing increased strength and hardness. 3. Alloy Steel Round Bars: Mechanical properties of alloy steel round bars are enhanced by combining various elements like chromium, nickel, and molybdenum with carbon steel. These bars offer excellent strength, toughness, and resistance to corrosion. Marine shafts, gears, and structural components typically make use of alloy steel round bars. 4. Duplex Stainless Steel Round Bars: Combining the properties of austenitic and ferritic stainless steels, duplex stainless steel round bars offer superior corrosion resistance and high strength, making them ideal for marine applications. Offshore platforms, marine vessels, and underwater equipment often utilize duplex stainless steel round bars. 5. Nickel Alloy Round Bars: Nickel alloy round bars are particularly notable for their exceptional resistance to corrosion and ability to withstand high-temperature environments. They are crucial in marine applications where strength, durability, and resistance to corrosive elements are essential. Marine valves, pumps, and heat exchangers frequently employ nickel alloy round bars. Each type of steel round bar used in the marine industry possesses its own unique properties and advantages. The selection of the appropriate steel round bar depends on the specific requirements and application of the marine project.

Q: What is the difference between hot-rolled and cold-rolled steel round bars?: The main difference between hot-rolled and cold-rolled steel round bars lies in the production process. Hot-rolled steel round bars are created by heating the steel above its recrystallization temperature and then rolling it into the desired shape. This process results in a rougher surface finish and allows for less precise dimensions. On the other hand, cold-rolled steel round bars are formed by rolling the steel at room temperature, leading to a smoother surface finish and more accurate dimensions. Additionally, the cold-rolling process can enhance the strength and hardness of the steel.

Q: How are steel round bars used in the construction of tunnels and underground structures?: Steel round bars are commonly used in the construction of tunnels and underground structures as reinforcement for concrete. These bars are placed within the concrete to provide strength and stability, preventing the structure from cracking or collapsing under pressure. The steel round bars also enhance the overall durability and load-bearing capacity of the tunnel or underground structure, ensuring its long-term structural integrity.

Q: What are the environmental impacts of steel round bar production?: The production of steel round bars has several environmental impacts. Firstly, the extraction of raw materials such as iron ore and coal required for steel production leads to habitat destruction, deforestation, and disruption of ecosystems. Mining activities also generate large amounts of waste, including tailings and waste rock, which can contaminate soil, water bodies, and air. The process of converting iron ore into steel involves high energy consumption, primarily from fossil fuels. The burning of these fuels releases greenhouse gases, such as carbon dioxide and nitrogen oxides, contributing to climate change and air pollution. Additionally, steel production releases particulate matter, sulfur dioxide, and other pollutants that can have detrimental effects on human health and ecosystems. Steel manufacturing also requires significant amounts of water for cooling, cleaning, and processing. This can lead to water scarcity and pollution if proper water management practices are not in place. Discharge of untreated or inadequately treated wastewater from steel production can contaminate nearby water sources, affecting aquatic life and potentially harming human populations who rely on these water bodies. Furthermore, the transportation of raw materials and finished steel products over long distances contributes to carbon emissions and air pollution. The energy-intensive nature of steel production and transportation further exacerbates the overall environmental impacts of the industry. To mitigate these environmental impacts, the steel industry has been implementing various measures. These include the use of more efficient technologies, such as recycling and minimization of waste, improving energy efficiency, and adopting cleaner production processes. Additionally, the industry has been focusing on reducing its carbon footprint by increasing the use of renewable energy sources and implementing carbon capture and storage technologies. Overall, while steel round bar production contributes to environmental degradation, there are ongoing efforts within the industry to minimize its negative impacts and transition towards more sustainable practices.

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