Hot Rolled Iron Steel Round Bars in High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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OKorder is offering Hot Rolled Iron Steel Round Bars in High Quality 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Iron Steel Round Bars in High Quality 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 Hot Rolled Iron Steel Round Bars in High Quality are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· 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
Trademark | Rank | Chemical composition (quality score) % | |||||
C | Si | Mn | S | P | |||
≤ | ≤ | ≤ | |||||
Q235 | A | 0.14-0.22 | 0.30 | 0.30-0.65 | 0.050 | 0.045 | |
Q235 | B | 0.12-0.20 | 0.30 | 0.30-0.70 | 0.045 | 0.045 | |
Trademark | Rank | Pulling Test | |||||
Bend PointΔs/Mpa | Tensile Strength | Elongation Ratioδ5% | |||||
Thickness (Diameter) /MM | Thickness (Diameter) /MM | ||||||
≤16 | 16-40 | ≤16 | 16-40 | ||||
≥ | ≥ | ||||||
Q235 | A | 235 | 225 | 375-500 | 26 | 25 | |
Q235 | B | 235 | 225 | 375-500 | 26 | 25 | |
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 arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Q4: How many tons of steel products could be loaded in containers?
A4: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
Q5: what is the difference between actual weight and theoretical weight?
A5: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.
Images:
- Q:How do you calculate the strength of a steel round bar?
- To calculate the strength of a steel round bar, several factors need to be considered. The primary factor is the material's yield strength, which represents the stress level at which the steel begins to deform permanently. This value is typically provided by the manufacturer or can be found in engineering handbooks. Next, the cross-sectional area of the round bar needs to be determined. This can be done by measuring the diameter of the bar and using it to calculate the area using the formula A = πr^2, where A is the cross-sectional area and r is the radius. Once the cross-sectional area is known, the ultimate tensile strength (UTS) can be calculated using the formula UTS = Yield Strength / Safety Factor. The safety factor is a numerical value that accounts for uncertainties and potential variations in the material's strength. It is typically specified by the design requirements or industry standards. Finally, the maximum load that the steel round bar can withstand before failure can be determined by multiplying the ultimate tensile strength by the cross-sectional area. This value represents the strength of the round bar and can be used to assess its suitability for a particular application. It is important to note that other factors such as the bar's length, shape, and any additional treatments or modifications can also affect its strength. Therefore, consulting with a structural engineer or referring to relevant design codes and standards is recommended to ensure accurate calculations and safe application of steel round bars.
- Q:What are the advantages of using carbon-manganese alloy steel round bars?
- Carbon-manganese alloy steel round bars offer several advantages. Firstly, they possess excellent strength and durability, making them ideal for applications requiring high mechanical properties. Additionally, the presence of manganese enhances the hardenability of the steel, allowing it to be easily heat-treated to achieve desired hardness levels. Moreover, carbon-manganese alloy steel round bars exhibit good weldability and machinability, making them versatile and easy to work with. Lastly, they provide cost advantages as they are relatively affordable compared to other high-strength steel options.
- Q:What are the advantages of using nitriding steel round bars?
- Nitriding steel round bars offer numerous benefits. Firstly, they possess a remarkable surface hardness. Through the nitriding process, nitrogen diffuses into the outer layer of the steel, creating a hard nitride layer. This greatly enhances the wear resistance and durability of the round bars, rendering them suitable for applications involving heavy loads or abrasive environments. Secondly, the fatigue strength of nitriding steel round bars is improved. The nitride layer formed during the nitriding process also enhances the steel's ability to withstand fatigue. Consequently, the round bars can endure repeated loading and high-stress conditions without experiencing premature failure. Moreover, nitriding steel round bars exhibit outstanding corrosion resistance. The nitride layer acts as a barrier against corrosive elements, such as moisture, chemicals, or saltwater, effectively protecting the underlying steel. This makes them ideal for use in harsh environments where corrosion is a concern, such as the marine or chemical industries. Furthermore, nitriding steel round bars retain a high surface hardness even at elevated temperatures. Unlike other surface hardening processes that rely on thin coatings, nitriding modifies the surface layer of the steel, resulting in a stable hardened layer that withstands high temperatures. This ensures that the round bars maintain their hardness and mechanical properties even in demanding heat-intensive applications. In conclusion, the advantages of utilizing nitriding steel round bars include high surface hardness, improved fatigue strength, excellent corrosion resistance, and high surface hardness retention at elevated temperatures. These properties make them the preferred choice for various applications in industries such as automotive, aerospace, manufacturing, and construction.
- Q:What is the maximum elongation of steel round bars?
- The maximum elongation of steel round bars depends on various factors such as the type of steel, its composition, and the manufacturing process. However, in general, steel round bars can have elongation values ranging from 10% to 30% before they reach their maximum limit and start to deform permanently.
- Q:What is the density of a steel round bar?
- The density of steel round bars can differ based on their specific types and compositions. On average, steel has a density of approximately 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). Consequently, to determine the weight or mass of a steel round bar, one can multiply its volume by its density.
- Q:Can steel round bars be extruded?
- Steel round bars cannot be extruded; instead, they are typically produced through a different process called hot rolling. In hot rolling, a cylindrical billet is heated and passed through a series of rollers to achieve the desired diameter and length. Extrusion, on the other hand, is a manufacturing process that involves forcing material through a die to create specific shapes or profiles. While steel can be extruded into various shapes such as tubes, channels, or angles, round bars are not typically produced in this way.
- Q:Are steel round bars recyclable?
- Indeed, recyclability is a characteristic inherent to steel round bars. Steel, being of immense value and easily recyclable, is among the most frequently recycled materials worldwide. Once steel round bars have served their purpose, they may be gathered and dispatched to a recycling facility. Within this facility, the round bars are subjected to the melting process, resulting in their conversion into novel steel products. Remarkably, this cycle can be perpetually repeated without any detrimental impact on the steel's quality. By choosing to recycle steel round bars, not only do we aid in the preservation of natural resources and the reduction of waste, but we also contribute to energy conservation and the mitigation of greenhouse gas emissions as opposed to the production of steel from raw materials.
- Q:Are steel round bars suitable for marine applications?
- Yes, steel round bars are suitable for marine applications. Steel is known for its strength, durability, and corrosion resistance, making it a popular choice for various marine applications. Steel round bars are commonly used in the construction of marine structures, such as shipbuilding, offshore platforms, and marine equipment. The high tensile strength of steel allows it to withstand the harsh conditions of the marine environment, including the corrosive effects of saltwater. Additionally, steel can be easily fabricated and welded, making it a versatile material for marine applications. However, it is important to consider the specific requirements of the marine application and choose the appropriate type of steel round bar. Duplex stainless steel, for example, offers superior corrosion resistance compared to standard carbon steels and is often preferred for marine applications. It is also crucial to apply proper maintenance and protective coatings to ensure the longevity and performance of steel round bars in marine environments. Overall, steel round bars are a suitable choice for marine applications due to their strength, durability, and corrosion resistance. However, it is essential to select the right type of steel and implement proper maintenance practices to ensure optimal performance in the marine environment.
- Q:What are the different marking methods for steel round bars?
- Steel round bars commonly use several marking methods to identify and provide information about the bars. These methods include stamping, laser marking, inkjet printing, etching, and color coding. Stamping involves using a machine to imprint alphanumeric characters, symbols, or logos onto the steel bar's surface. This method provides a durable and corrosion-resistant marking. Laser marking, on the other hand, uses a laser beam to engrave precise and high-quality information onto the bar. It allows for intricate designs, barcodes, and serial numbers and ensures permanent identification. Inkjet printing is a non-contact method that prints information using inkjet technology. It is commonly used for barcodes, QR codes, and other data matrix codes. This method is fast and efficient, with ink that adheres effectively to the steel surface. Etching is a chemical method that removes layers of the steel's surface using acid or other chemicals. It creates a visible mark and is often used for logos and identification numbers. Etching provides a permanent and easily readable marking. Color coding is a simple method that uses paint or colored coatings to mark different steel grades. Each color represents a specific attribute or characteristic. Color coding allows for quick and visual identification of the bars. These marking methods are essential in industries like construction, manufacturing, and engineering as they ensure proper identification, traceability, and quality control of steel round bars. The choice of method depends on factors such as permanence, visibility, and the specific information to be marked on the bars.
- Q:Is round steel bar round steel?
- Yes.From the shape of points for the light round steel, crescent steel, rebar.From the strength of reinforcement is divided into one level (235), two (335), three (435), four (435)Cold drawn from the production process (first tensioning and long pull method), cold and so on
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Hot Rolled Iron Steel Round Bars in High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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