Hot Roll Square Steel Bar with Grade Q195 / Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering Hot Roll Square Steel Bar with Grade Q195 / Q235 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:
Hot Roll Square Steel Bar with Grade Q195 / Q235 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 Roll Square Steel Bar with Grade Q195 / Q235 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:
We offer Square Steel Bar with grade Q195 / Q235
Specifications of Square Steel Bar:
-Standard: GB,
-Grade: Q195/Q235 or equivalent.
Chemical Composition:
-Chemical Composition. Q195
Standard | Grade | Element (%) | ||||
GB | Q195 | C | Mn | S | P | Si |
0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 | ||
-Chemical Composition. Q235
Standard | Grade | Element (%) | ||||
GB | Q235B | C | Mn | S | P | Si |
0.12~0.20 | 0.30~0.70 | ≤0.045 | ≤0.045 | ≤0.30 | ||
Measures and Tolerances of Square Steel Bar:
(The section of Square Steel Bar)
The length of a side and the theoretical weight of Square Steel.
Length of a side(a, mm) | Theoretical weight(kg/m) | Length of a side(a, mm) | Theoretical weight(kg/m) |
6 | 0.283 | 32 | 8.04 |
7 | 0.385 | ＊33 | 8.55 |
8 | 0.502 | 34 | 9.07 |
9 | 0.636 | ＊35 | 9.62 |
10 | 0.785 | 36 | 10.17 |
11 | 0.950 | 38 | 11.24 |
12 | 1.13 | 40 | 12.56 |
13 | 1.33 | 42 | 13.85 |
14 | 1.54 | 45 | 15.90 |
15 | 1.77 | 48 | 18.09 |
16 | 2.01 | 50 | 19.63 |
17 | 2.27 | 53 | 22.05 |
18 | 2.54 | ＊55 | 23.6 |
19 | 2.82 | 56 | 24.61 |
20 | 3.14 | ＊58 | 26.4 |
21 | 3.46 | 60 | 28.26 |
22 | 3.80 | 63 | 31.16 |
＊23 | 4.15 | ＊65 | 33.17 |
24 | 4.52 | ＊68 | 36.3 |
25 | 4.91 | 79 | 38.49 |
26 | 5.30 | 75 | 44.16 |
＊27 | 5.72 | 80 | 50.24 |
28 | 6.15 | 85 | 56.72 |
＊29 | 6.60 | 90 | 63.59 |
30 | 7.06 | 95 | 70.85 |
＊31 | 7.54 | 100 | 78.50 |
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, The numbers with ＊mean that they are not regulars or we don’t offer them
-The allowed tolerance of Square Steel:
Length of a side(mm) | Allowed Tolerance | ||
Group1 | Group2 | Group3 | |
5.5～7 | ±0.20 | ±0.30 | ±0.40 |
7～20 | ±0.25 | ±0.35 | ±0.40 |
20～30 | ±0.30 | ±0.40 | ±0.50 |
30～50 | ±0.40 | ±0.50 | ±0.60 |
60～80 | ±0.60 | ±0.70 | ±0.80 |
80～110 | ±0.90 | ±1.0 | ±1.1 |
110～150 | ±1.2 | ±1.3 | ±1.1 |
150～190 | ―― | ―― | ±2.0 |
190～250 | ―― | ―― | ±2.5 |
Usage/Applications of Steel Square Bar:
-The Square Steel is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc
Packaging & Delivery of Steel Square Bar:
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks:
1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.
2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Transportation:
-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.
-The maximum quantity of loading of container is 25 tons.
-The products usually are transported to the nearest port from the production place.
Payment:
-Invoicing on theoretical weight or actual weight a s customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
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.
- Q:Can steel billets be used in high-temperature applications?
- Yes, steel billets can be used in high-temperature applications. Steel billets are typically made from carbon steel, which has good heat resistance properties. Carbon steel can withstand elevated temperatures without significant deformation or loss in strength. However, it is important to consider the specific grade and composition of the steel billets as different alloys may have varying temperature limits. Additionally, factors such as the duration of exposure to high temperatures, the presence of corrosive environments, and the mechanical loading conditions should be taken into account when determining the suitability of steel billets for high-temperature applications.
- Q:What are the main challenges in the handling of steel billets during production?
- The production of steel billets poses various challenges that must be addressed in order to achieve a streamlined and effective manufacturing process. Weight and size are major obstacles to consider when working with steel billets. These billets can be quite hefty, ranging from a few hundred kilograms to several tons, depending on their dimensions. As a result, lifting and moving them within the production facility can be difficult. The safe handling of these heavy loads necessitates the use of specialized equipment, such as cranes and forklifts. Another challenge lies in the potential for damage during the handling of steel billets. They are typically transported and stored in stacks or bundles, and improper handling techniques or inadequate protection can result in deformation, scratches, or even breakage of the billets. These damages can negatively impact the quality of the final product, leading to increased scrap rates and production costs. Furthermore, maintaining precise temperature control is crucial when working with steel billets. Steel is highly sensitive to temperature changes, and the billets must be kept within specific temperature ranges to prevent distortion or metallurgical issues. Careful attention must be paid when transferring billets between different areas of the production facility to ensure consistent temperatures. Proper inventory management and tracking also present challenges in the handling of billets. Steel billets are often stored in large warehouses or outdoor yards, and keeping track of their location, quantity, and quality can be complex. Efficient inventory management systems, such as barcoding or RFID tagging, are essential to minimize errors and facilitate the retrieval of the necessary billets for production. Lastly, safety is a significant concern when handling steel billets. The weight of the billets and the potential for injury make it imperative to adhere to strict safety protocols. Operators must receive proper training on the use of equipment, such as cranes and forklifts, and wear appropriate personal protective equipment (PPE) to prevent accidents or injuries. In conclusion, the handling of steel billets during production presents challenges related to weight, potential damage, temperature control, inventory management, and safety. Overcoming these challenges necessitates investments in specialized equipment, training, and efficient processes to ensure a smooth and successful production operation.
- Q:What are the main factors that affect the availability of steel billets?
- The availability of steel billets is affected by various key factors. First and foremost, the availability of raw materials plays a critical role. Steel billets are produced by melting iron ore, alongside other materials like coal and limestone, in a blast furnace. The production of steel billets can be greatly influenced by the availability and cost of these raw materials. Any disruptions in the supply chain, such as a shortage of iron ore or a sudden increase in prices, can result in a decrease in the availability of steel billets. Additionally, the demand for steel billets also impacts their availability. The construction and manufacturing industries are the primary consumers of steel billets, as they use them to manufacture various steel products like bars, rods, and beams. If there is a surge in demand for steel products, it can strain the availability of steel billets, particularly if the production capacity is unable to keep pace with the increased demand. Moreover, market dynamics and economic conditions can have an effect on the availability of steel billets. Factors like fluctuations in steel prices, changes in government policies, and trade barriers can influence the overall supply and demand balance. For instance, the implementation of tariffs or restrictions on steel imports can reduce the availability of steel billets in a specific region, as domestic production may not be sufficient to meet the demand. Furthermore, technological advancements and production capabilities also contribute to determining the availability of steel billets. Enhancements in manufacturing processes, such as the utilization of electric arc furnaces or continuous casting, can enhance production efficiency and output. Conversely, any technical issues or maintenance problems in steel plants can disrupt production and subsequently decrease the availability of steel billets. In conclusion, the availability of steel billets is influenced by factors such as the availability and cost of raw materials, the demand for steel products, market dynamics, economic conditions, and technological advancements. These factors, either individually or collectively, can impact the availability of steel billets. It is crucial for stakeholders in the steel industry to monitor and address these factors in order to ensure a stable supply of steel billets.
- Q:How are steel billets shaped into other forms?
- Steel billets are shaped into other forms through a process called hot rolling. Hot rolling involves passing the steel billet through a series of heated rollers that compress and shape the billet into the desired form. First, the steel billet is heated to a high temperature in a furnace. This heat treatment makes the steel more malleable and easier to shape. Once the billet reaches the desired temperature, it is fed into a rolling mill. In the rolling mill, the billet is passed through a series of rollers that apply pressure and force to shape the steel. These rollers can have various shapes and sizes depending on the desired outcome. As the billet passes through the rollers, it is gradually shaped into the desired form, such as sheets, bars, or beams. The rolling process not only shapes the steel but also improves its mechanical properties. It refines the grain structure, enhances the strength and toughness, and removes any internal defects. This makes the steel more suitable for various applications, such as construction, automotive, and machinery. After the hot rolling process, the steel is often further processed through cold rolling, which involves passing it through cold rollers to refine its surface finish and dimensions. Additionally, other secondary operations like cutting, bending, and welding may be performed to further shape the steel into the desired end product. Overall, hot rolling is a crucial process in shaping steel billets into other forms. It allows for the production of a wide range of steel products, each with its specific shape, size, and mechanical properties, meeting the diverse needs of industries worldwide.
- Q:How are steel billets used in the manufacturing of pipes?
- Steel billets are the initial raw material used in the manufacturing of pipes. They are heated and then passed through a series of rollers to form a cylindrical shape. These billets are then elongated and shaped into seamless pipes or welded together to create welded pipes. The high strength and durability of steel billets make them ideal for pipe production, ensuring the pipes can withstand high-pressure environments and various applications such as oil and gas transportation, plumbing, construction, and more.
- Q:How are steel billets used in the production of agricultural implements?
- The production of agricultural implements heavily relies on steel billets. These billets serve as crucial raw materials that undergo diverse processes to attain the final products necessary for agricultural activities. Initially, steel billets go through heating before being passed through a rolling mill. This hot rolling process shapes and sizes the billets into steel bars or rods. Subsequently, these steel bars or rods undergo further processing to manufacture specific agricultural implements such as plows, harrows, cultivators, and seed drills. Throughout the manufacturing process, precise cutting, bending, and shaping techniques are applied to the steel billets to create the desired implements. Steel's strength and durability make it the preferred choice for agricultural equipment, as it can endure the demanding conditions faced in the field, including soil resistance and impact from rocks and other obstacles. Notably, steel billets are also utilized in the production of essential components like blades, tines, and tips, which are integral to the efficient functioning of agricultural machinery. These components are often hardened and tempered to enhance their wear resistance and toughness, ensuring they can withstand heavy use without sustaining damage. Moreover, steel billets are employed in the manufacturing of attachments and accessories that can be utilized alongside the primary agricultural implements. These attachments, such as plow points, disc blades, and planter plates, are designed to augment the functionality and versatility of the equipment, enabling farmers to adapt to diverse soil conditions and crop requirements. In conclusion, the significance of steel billets in the production of agricultural implements cannot be overstated. Through a variety of manufacturing processes, these billets are transformed into durable, reliable, and efficient tools that aid farmers in effectively and efficiently carrying out their tasks, ultimately contributing to heightened productivity within the agricultural sector.
- Q:What is the average cost of transporting steel billets?
- The average cost of transporting steel billets can vary based on several factors, including the distance of transportation, the mode of transportation, the quantity of steel billets being transported, and the current market conditions. Typically, the cost of transporting steel billets ranges from $50 to $150 per metric ton. This cost covers expenses related to loading and unloading the billets, transportation fees, insurance, and any additional charges such as customs fees or tolls. It is important to consider that transportation costs differ significantly depending on the mode of transportation. For instance, road transport for steel billets tends to be more expensive due to higher fuel costs and limited capacity compared to rail or sea transport. Additionally, longer distances or remote locations may result in higher transportation costs due to increased logistics and infrastructure requirements. Market conditions and fluctuations in fuel prices also have an impact on the average cost. During periods of high demand or economic volatility, transportation costs may increase due to factors like heightened competition, fuel surcharges, or additional security measures. To obtain an accurate estimate for the average cost of transporting steel billets, it is advisable to seek quotes from multiple transportation providers or consult industry-specific sources for updated pricing information.
- Q:How are steel billets used in the manufacturing of industrial tools?
- Steel billets are an essential raw material in the manufacturing of industrial tools. These billets, which are solid blocks of steel, serve as the foundation for creating various types of tools used in industries such as construction, automotive, and manufacturing. The first step in using steel billets for tool manufacturing is to heat them to a specific temperature. This process, known as forging, makes the steel more malleable and easier to work with. Once heated, the billets are then shaped and formed into the desired tool design using specialized machinery like power hammers and presses. The shaping process involves applying intense pressure to the heated billet, which transforms it into the desired tool shape. This can be a chisel, wrench, hammer head, or any other tool needed for specific industrial applications. The precise shaping ensures that the tool will have the necessary strength, durability, and functionality required for its intended use. After the initial shaping is complete, the tool is further refined and finished through processes like machining, grinding, and heat treatment. These additional steps help enhance the tool's performance and ensure its longevity. Machining removes any excess material and creates the necessary holes, threads, or other features required for the tool's functionality. Grinding provides a smooth surface finish and precise dimensions. Heat treatment is another critical process that involves subjecting the tool to controlled heating and cooling cycles. This treatment alters the steel's molecular structure, enhancing its hardness, strength, and toughness. Different heat treatment techniques like quenching and tempering are employed depending on the specific tool requirements. Once the tool has been shaped, machined, ground, and heat-treated, it undergoes a series of quality checks and inspections to ensure it meets the necessary specifications and standards. These checks include dimensional measurements, visual inspections, and functional tests to ensure that the tool is fit for its intended purpose. In summary, steel billets are integral to the manufacturing of industrial tools as they provide the base material that is shaped, machined, heat-treated, and refined to create durable and high-performing tools. The versatility and strength of steel make it an ideal choice for producing a wide range of tools used in various industries, contributing to their efficiency, productivity, and overall success.
- Q:How do steel billets contribute to the overall cost-effectiveness of a structure?
- The overall cost-effectiveness of a structure is greatly enhanced by the use of steel billets in multiple ways. Firstly, the manufacturing process of steel billets is highly efficient, resulting in minimal wastage of raw materials. This efficiency significantly reduces the production cost of steel billets, making them a cost-effective option for construction projects. Furthermore, steel billets possess exceptional strength and durability, enabling them to withstand heavy loads and adverse weather conditions. This strength eliminates the need for frequent repairs or replacements, saving significant costs in the long term. Additionally, the durability of steel billets ensures the longevity of the structure, reducing maintenance expenses and enhancing cost-effectiveness. Another significant aspect of steel billets that contributes to cost-effectiveness is their versatility. They can be easily molded and shaped into various forms, allowing for customization and precise engineering in constructing the structure. This versatility eliminates the need for excessive material wastage and enables the optimization of resources, thereby reducing costs. Moreover, steel billets have excellent fire resistance properties, making them a safe and reliable choice for structures. By minimizing the risk of fire-related damages, steel billets contribute to reduced insurance costs for the structure, enhancing its overall cost-effectiveness. Lastly, steel billets are often produced using recycled steel, which not only reduces the environmental impact but also lowers the production cost. This eco-friendly aspect further enhances the cost-effectiveness of a structure by reducing the overall carbon footprint and making it more sustainable in the long term. In conclusion, the cost-effectiveness of a structure is improved through the use of steel billets by minimizing material wastage, providing strength and durability, offering versatility in design and engineering, ensuring fire resistance, and promoting sustainability. These factors collectively reduce production, maintenance, repair, and insurance costs, making steel billets a financially beneficial choice for construction projects.
- Q:What are the different types of steel billet heat treatment processes?
- There are several types of steel billet heat treatment processes, including annealing, normalizing, quenching, and tempering. Annealing involves heating the billet to a high temperature and then slowly cooling it to relieve internal stresses and improve its ductility. Normalizing is similar to annealing but involves cooling the billet in still air to achieve a more uniform grain structure. Quenching is a rapid cooling process that involves immersing the billet in a quenching medium, such as water or oil, to achieve high hardness and strength. Tempering follows quenching and involves reheating the billet to a lower temperature to reduce brittleness and enhance toughness.
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Hot Roll Square Steel Bar with Grade Q195 / Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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