Hot Rolled Flat Bar with Material Grade Q235B

Hot Rolled Flat Bar with Material Grade Q235B System 1

Hot Rolled Flat Bar with Material Grade Q235B

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 10000 m.t/month

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Hot Rolled Flat Bars in Grade Q235B with Good Quality

Product Description:

OKorder is offering high quality Flat 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:

Flat Bars 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 Flats Barare 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

Chemical composition of Q235

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Q235

Alloy No	Grade	Yielding strength point(Mpa)				Tensile strength (Mpa)	Elongation after fracture(%)
		Thickness (mm)					Thickness (mm)
		≤16	＞16--40	＞40--60	＞60--100		≤16	＞16--40	＞40--60	＞60--100
		≥					≥
Q235	B	235	225	215	205	375--500	26	25	24	23

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.

Images:

Hot Rolled Flat Bar with Material Grade Q235B

Q:Can steel flat bars be cut to specific lengths?: Yes, steel flat bars can be cut to specific lengths. Steel flat bars can be easily cut using various tools such as hacksaws, angle grinders, or even specialized metal cutting machines. These tools allow for precise and accurate cutting of steel flat bars to any desired length, ensuring that they fit perfectly for any intended application. It is important to use appropriate safety measures and techniques when cutting steel bars to avoid any accidents or injuries.

Q:What are the different machinability ratings for steel flat bars?: The machinability ratings for steel flat bars can vary depending on the specific type of steel being used. However, there are some general guidelines that can be followed. One commonly used machinability rating system is the American Iron and Steel Institute (AISI) scale. This scale ranges from 0 to 100, with higher numbers indicating better machinability. For example, AISI 1212 steel has a machinability rating of 100, which means it is very easy to machine. On the other hand, AISI 4140 steel has a machinability rating of around 35, indicating that it is more difficult to machine. Other factors that can affect the machinability of steel flat bars include the presence of certain alloying elements, such as sulfur or lead, which can improve chip formation and reduce tool wear. Additionally, the hardness and microstructure of the steel can also impact its machinability. It is important to note that these ratings are just a general guideline and actual machinability can vary depending on the specific machining conditions, such as cutting speed, feed rate, and tooling. It is always recommended to consult with the steel manufacturer or a machining expert to determine the best approach for machining steel flat bars.

Q:What is the weight calculation formula for galvanized flat steel and galvanized steel angles?: That is volume * density = weight.For example: L50*5 angle, general case, hand count is (0.05*2-0.005) *0.005*7850=3.729kg/m; 6m is 3.729*6=22.37kg [formula is W= (both long - and angle angle thickness) * angle thickness *7850* meters, of which 7850 were iron density value after conversion unit after multiple values, namely 7850kg/m3. The length and thickness and the number of meters into units are in meters, the weight of the unit is kg W.

Q:What are the different types of surface defects in steel flat bars?: Steel flat bars can experience various surface defects, including scale, rust, pitting, surface cracks, lamination, and inclusions. Scale refers to an oxide layer that forms during manufacturing, affecting appearance and smoothness. Rust is a common defect caused by exposure to moisture or corrosive environments, weakening the bar's structural integrity. Pitting, caused by corrosion or chemical reactions, results in small cavities and reduced strength. Surface cracks, caused by manufacturing defects, mishandling, or excessive stress, compromise strength and safety. Lamination defects involve layer separation or voids due to manufacturing or improper heat treatment, weakening the bar's structure. Inclusions are foreign particles trapped during manufacturing, affecting mechanical properties. Identifying and addressing these defects is crucial for ensuring the quality, reliability, and safety of steel flat bars. Regular inspections, proper handling, and appropriate surface treatment help prevent and mitigate these issues.

Q:How do you determine the tensile strength of a steel flat bar?: The tensile strength of a steel flat bar can be determined through a destructive testing method called tensile testing. In this process, a sample of the steel flat bar is subjected to a gradually increasing tensile force until it reaches its breaking point. The force required to break the sample is then recorded, and this value represents the tensile strength of the steel flat bar.

Q:Are steel flat bars available in pre-cut lengths?: Yes, steel flat bars are available in pre-cut lengths.

Q:How do you remove rust from steel flat bars?: To remove rust from steel flat bars, you can follow these steps: 1. Start by wearing protective gloves and safety goggles to avoid any potential harm during the process. 2. Use a wire brush or steel wool to scrub the rusted areas vigorously. This will help remove the loose rust and dirt from the surface. 3. If the rust is stubborn and won't come off with just brushing, you can apply a rust dissolver or rust remover solution. Follow the instructions provided by the manufacturer and ensure you use it in a well-ventilated area. 4. After applying the rust dissolver, let it sit on the rusted area for the recommended amount of time. This will allow the solution to penetrate and break down the rust. 5. Once the suggested time has passed, use the wire brush or steel wool to scrub the rusted area again. This will help remove the loosened rust particles. 6. Rinse the steel flat bars thoroughly with water and wipe them dry with a clean cloth or towel. 7. After drying, inspect the bars to ensure all rust has been removed. If any rust spots remain, repeat the process until the steel surface is completely rust-free. 8. To prevent future rusting, you can apply a rust inhibitor or protective coating on the steel flat bars. This will create a barrier between the metal and moisture, reducing the chances of rust formation. Remember, regular maintenance and keeping the steel flat bars dry will help prevent rust from reoccurring.

Q:How do you straighten bent steel flat bars?: To straighten bent steel flat bars, there are a few methods that can be employed depending on the severity of the bend. Here are a few common techniques: 1. Heat and hammer: For mild bends, the steel bar can be heated using a torch until it reaches a red-hot temperature. Once heated, it can be placed on an anvil or a sturdy surface and hammered gently and evenly until the bend is corrected. This method requires caution and precision to avoid over-straightening or damaging the bar. 2. Hydraulic press: For more severe bends, a hydraulic press can be used. The bent steel flat bar is placed between the hydraulic press plates, and pressure is gradually applied until the bar is straightened. This method provides more control and is suitable for larger or thicker bars. 3. Mechanical straightening: A mechanical straightening machine can also be used to straighten bent steel flat bars. This method involves feeding the bar through a series of rollers, which apply pressure to gradually straighten the bend. Mechanical straightening machines are efficient and can handle a variety of bar sizes and bends. Regardless of the method chosen, it is important to ensure safety precautions are taken, such as wearing protective equipment like gloves and goggles. Additionally, it is crucial to inspect the straightened bar for any cracks or fractures that may have occurred during the straightening process.

Q:Can steel flat bars be cut to custom lengths?: Indeed, it is feasible to cut steel flat bars to tailored dimensions. These bars, widely employed in construction, manufacturing, and various industries, come in a range of sizes and lengths. Nonetheless, there may be instances where the standard lengths fail to meet a project's particular demands. In such scenarios, steel flat bars can be effortlessly tailored to the desired dimensions using a variety of cutting tools, including saws or shears. This approach enables enhanced adaptability and accuracy in aligning with the specific requirements of a project or application.

Q:How do steel flat bars contribute to the overall aesthetics of a design?: There are multiple ways in which steel flat bars can enhance the overall aesthetics of a design. Firstly, their sleek and clean lines have the ability to add a modern and contemporary touch to any design. The straight edges and sharp corners of steel flat bars create a sense of precision and order, resulting in a polished and sophisticated appearance. Moreover, steel flat bars offer endless design possibilities due to their malleability. They can be easily manipulated into various shapes and forms, allowing designers to create intricate patterns, unique textures, or even sculptural elements. This versatility enables steel flat bars to be incorporated into a wide range of projects, including furniture, architectural features, decorative accents, and art installations. Furthermore, steel flat bars possess a shiny and reflective surface, which enhances the visual appeal of a design. The polished finish of steel has the ability to catch and reflect light, adding an elegant and bright touch to the overall aesthetic. This reflective quality can also create captivating visual effects, such as mirroring or interacting with the surrounding environment. Lastly, the strength and durability of steel flat bars contribute to the longevity and resilience of a design. The solid and robust nature of steel conveys a sense of stability and reliability, making the design appear solid and well-built. This perception of strength has a positive influence on the overall aesthetic, as it communicates a sense of quality and craftsmanship. In conclusion, steel flat bars enhance the overall aesthetics of a design through their sleek lines, versatile forms, reflective surfaces, and perception of strength. Their modern appearance, design flexibility, and durability make them a favored choice among designers who aim to create visually appealing and long-lasting designs.

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