Hot Rolled Seel Flat Bars with Material Grade Q235/SS400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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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 ;SS400
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(%) | ||||
C
| Mn
| S
| P
| Si
| ||
Q235
|
B
|
0.12—0.20 |
0.3—0.7 |
≤0.045 |
≤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: How soon can we receive the product after purchase?
A1: 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.
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.
Q3: The products are invoicing on theoritical weight or on actual weight basis ?
A3: We can do it in both manners, according to buyers' requirement.
Q4: What is the normal tolerance of your falt bars ?
A4: Normally 7%-9%, but we can also produce the goods according to the customers' requests.
Images:
- Q: Can steel flat bars be used for manufacturing railway components or tracks?
- Steel flat bars are suitable for the production of railway components or tracks. The railway industry frequently employs steel due to its robustness, longevity, and capacity to endure substantial loads. Steel flat bars are commonly utilized for numerous railway components, including brackets, clamps, fasteners, and supports. Additionally, they can be utilized to manufacture sections of railway tracks, especially for smaller tracks or temporary setups. Nevertheless, when it comes to mainline railway tracks, relying solely on steel flat bars may prove inadequate, necessitating the inclusion of specialized components like rails and sleepers for a secure and dependable track system.
- Q: What is the difference between hot-rolled and cold-rolled steel flat bars?
- The main difference between hot-rolled and cold-rolled steel flat bars lies in their production process and resulting characteristics. Hot-rolled steel flat bars are made by heating a steel billet or slab to a high temperature and then rolling it through a series of rollers to achieve the desired shape and size. This process results in a relatively rough surface and rounded edges. On the other hand, cold-rolled steel flat bars are produced by cooling down the hot-rolled steel to room temperature and then passing it through a series of rollers at room temperature. This process results in a smoother surface finish and sharper edges compared to hot-rolled steel flat bars. In terms of physical properties, hot-rolled steel flat bars generally have a larger size tolerance, as the high-temperature rolling process can cause some dimensional variations. Cold-rolled steel flat bars, on the other hand, have a tighter size tolerance due to the controlled cold-rolling process. Additionally, due to the heating and cooling process involved in their production, hot-rolled steel flat bars typically have a scaled surface, which is a thin layer of iron oxide. In contrast, cold-rolled steel flat bars have a clean, smooth surface. Moreover, the mechanical properties of hot-rolled and cold-rolled steel flat bars also differ. Hot-rolled steel flat bars tend to have a lower yield strength and higher ductility, making them suitable for applications that require shaping or bending. Cold-rolled steel flat bars, on the other hand, have a higher yield strength and lower ductility, making them more suitable for applications that require strength and durability. In summary, the key differences between hot-rolled and cold-rolled steel flat bars lie in their production process, surface finish, dimensional tolerance, and mechanical properties. The choice between the two depends on the specific requirements of the application and the desired characteristics of the steel flat bars.
- Q: Can steel flat bars be used for making heat exchangers or cooling systems?
- Heat exchangers or cooling systems can utilize steel flat bars. Steel is widely used and versatile in many industries, including HVAC systems. The advantages of steel flat bars include high strength, durability, and excellent thermal conductivity, which make them suitable for heat transfer applications. In heat exchangers and cooling systems, heat is transferred between fluids or between a fluid and the surrounding environment. To facilitate efficient heat transfer, steel flat bars can be shaped and sized accordingly to form the necessary framework and surfaces. They can be made into fins, tubes, or plates to maximize surface area and enhance heat dissipation. Moreover, steel flat bars can withstand high temperatures and pressures, making them ideal for demanding heat exchange applications. They are also resistant to corrosion, ensuring optimal performance and longevity, especially when exposed to different fluids or environments. However, it is important to consider various factors, such as the specific application, operating conditions, and budget, when choosing materials for heat exchangers or cooling systems. Depending on the requirements, other materials like copper, aluminum, or stainless steel may also be viable options.
- Q: What is the difference between hot-rolled and cast steel flat bars?
- Hot-rolled and cast steel flat bars differ primarily in their manufacturing processes and resulting properties. Hot-rolled steel flat bars are created by heating a steel billet or ingot to a high temperature and then passing it through a series of rollers to achieve the desired shape and dimensions. This procedure yields a product with a rougher surface and slightly curved edges. Known for their malleability and ductility, hot-rolled steel flat bars are suitable for a wide range of applications in construction, manufacturing, and general fabrication due to their strength and versatility. On the contrary, cast steel flat bars are formed by pouring molten steel into a mold, allowing it to cool and solidify into the desired shape. This method yields a product with a smoother surface and sharp edges. Typically, cast steel flat bars are harder and more brittle than hot-rolled steel flat bars, making them ideal for applications that require higher strength and wear resistance. They are commonly used in industries like mining, agriculture, and machinery manufacturing, where durability and toughness are crucial. To summarize, the main distinctions between hot-rolled and cast steel flat bars can be found in their manufacturing processes, resulting surface finishes, and mechanical properties. Hot-rolled steel flat bars possess malleability, versatility, and a rougher surface, while cast steel flat bars are harder, more brittle, and have a smoother surface. The choice between the two depends on the specific requirements of the application, such as strength, durability, and surface finish.
- Q: Can steel flat bars be used for manufacturing conveyor systems or belts?
- Yes, steel flat bars can be used for manufacturing conveyor systems or belts. Steel flat bars are durable and have high tensile strength, making them suitable for heavy-duty applications in conveyor systems. The flat shape of steel bars allows for easy fabrication and attachment of various components required in conveyor systems, such as rollers, pulleys, and support frames. Additionally, steel flat bars can withstand high temperatures, abrasion, and heavy loads, making them a reliable choice for conveyor system manufacturing.
- Q: What are the different surface treatments for steel flat bars?
- Steel flat bars have various options for surface treatments that serve different purposes. These treatments aim to enhance appearance, prevent corrosion, increase durability, and provide specific functionalities. Hot-dip galvanizing is an effective treatment for outdoor applications. It involves immersing the bars in molten zinc, forming a protective coating against corrosion caused by moisture, chemicals, and harsh weather conditions. Powder coating, on the other hand, is a dry finishing process. It includes applying a resin and pigment powder onto the bars, which melts when heated. This creates a long-lasting, decorative, and corrosion-resistant coating. Powder coating is popular for its wide range of colors and finishes. Electroplating is a process that coats the bars with a metal layer through electrochemical means. Common metals used are chrome, nickel, and zinc. It improves appearance, corrosion resistance, and wear resistance. Passivation is a chemical treatment specifically for stainless steel bars. It removes iron particles and contaminants, creating a protective oxide layer that prevents rusting and enhances corrosion resistance. Anodizing is typically used for aluminum bars, but it can also be applied to steel bars. This process involves creating a controlled oxide layer on the surface through electrochemical means. It improves corrosion resistance, hardness, and appearance. Painting is a common treatment for indoor applications. The bars are coated with paint, providing an attractive finish and protection against corrosion. Different colors and finishes can be used to meet specific aesthetic requirements. When choosing a surface treatment, it is crucial to consider the application and environment. Each treatment offers unique benefits and characteristics that can be customized to meet appearance, performance, and durability requirements.
- Q: What is the typical tensile strength of steel flat bars?
- The typical tensile strength of steel flat bars can vary depending on the specific grade and composition of the steel. However, on average, steel flat bars typically have a tensile strength ranging from 400 to 550 megapascals (MPa). It is important to note that different grades of steel, such as mild steel or high-strength steel, will have different tensile strength values. Additionally, factors such as heat treatment and manufacturing processes can also influence the tensile strength of steel flat bars. Therefore, it is advisable to consult the specifications provided by the manufacturer or relevant standards to determine the exact tensile strength of a particular steel flat bar.
- Q: What is the typical hardness of steel flat bars?
- Steel flat bars can exhibit varying levels of hardness, contingent upon their respective grade and heat treatment. Typically, these hardness levels span from 40 to 65 on the Rockwell hardness scale. This range of hardness guarantees the strength and durability of steel flat bars, enabling them to endure diverse mechanical pressures and impacts. Nevertheless, it is essential to acknowledge that the hardness can be tailored to meet specific application demands by means of distinct heat treatment procedures.
- Q: Are steel flat bars available in different thicknesses?
- Indeed, one can find steel flat bars of varying thicknesses. These bars are manufactured in an assortment of sizes and dimensions to cater to diverse purposes. The width of a steel flat bar can span from extremely slim, measuring 1/8 inch or 3.18 mm, to considerably broader choices like 1 inch or 25.4 mm. The assortment of thicknesses accessible grants flexibility in their utilization, be it for construction, manufacturing, or alternative industrial applications.
- Q: What are the different methods of corrosion protection for steel flat bars?
- Different methods can be utilized to protect steel flat bars from corrosion, which can occur due to exposure to moisture, chemicals, and other corrosive elements. Some commonly employed techniques include: 1. Coating: A highly effective method involves applying a protective coating, such as paint, epoxy, or zinc-rich compounds, onto the surface of the steel flat bars. This creates a barrier that prevents direct contact and oxidation between the steel and the corrosive environment. 2. Galvanization: Another approach is to coat the steel flat bars with a layer of zinc through a hot-dip process, known as galvanization. This zinc layer acts as a sacrificial anode, corroding before the steel does and providing excellent long-term corrosion resistance. 3. Stainless steel: The use of stainless steel flat bars is yet another method of corrosion protection. Stainless steel contains chromium, which forms a passive oxide layer on the surface, safeguarding the underlying steel from corrosion. This makes stainless steel highly resistant to most corrosive environments. 4. Cathodic protection: Cathodic protection involves connecting the steel flat bars to a sacrificial anode, typically made of a more reactive metal like zinc or aluminum. By doing so, the anode corrodes instead of the steel, effectively shielding it from corrosion. 5. Vapor Corrosion Inhibitors (VCI): VCI involves the use of volatile compounds that release corrosion inhibitors into the air. These inhibitors form a protective layer on the surface of the steel, preventing corrosion. VCI proves particularly useful for the long-term storage or transportation of steel flat bars. 6. Proper storage and maintenance: Ensuring appropriate storage conditions and regular maintenance of steel flat bars is crucial for corrosion protection. This includes keeping the material dry, maintaining suitable temperatures, and avoiding exposure to corrosive substances. When selecting a corrosion protection method for steel flat bars, it is important to consider the specific application, environment, and budget. Consulting experts or professionals in the field can help determine the most suitable method for a particular situation.
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Hot Rolled Seel Flat Bars with Material Grade Q235/SS400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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