manufacture direct supply steel flat; flat steel bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
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Commodity: Q235 Steel Flat Bar
Standard: GB
Material: Q235
Brand name: FLATSPACE
Origin place: China
Thickness: 3mm-30mm
Width:20mm-200mm
Length: Max 12m
Certification: SGS/BV
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 |
Usage/Applications of Q235 Steel Flat Bar
Widely used for construction, Machinery manufacturing, Iron tower steel structure, Shipbuilding; Steel grating, Staircase, Bridge, Viaduct, Railway spare parts, Boilers making etc.
Production Flow of Q235 Steel Flat Bar
The steel flat bar is made through three processes:
1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.
2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.
3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.
Packaging & Delivery of Q235 Steel Flat Bar
Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.
Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.
- Q: How do steel flat bars compare to aluminum flat bars?
- Steel flat bars and aluminum flat bars possess distinct properties and characteristics, rendering them appropriate for diverse applications. Regarding strength, steel flat bars generally exhibit a greater degree of robustness compared to aluminum flat bars. Steel is a denser and harder material, endowing it with superior tensile strength and rendering it less susceptible to deformation or bending under pressure. Consequently, steel flat bars are the preferred choice for applications demanding high load-bearing capacity or structural support. Conversely, aluminum flat bars are considerably lighter than their steel counterparts. Aluminum boasts a lower density, thereby conferring upon it a lightweight quality. This feature renders aluminum flat bars more manageable and transportable, particularly in applications where weight is a significant concern, such as in the aerospace or automotive industry. Another crucial factor to consider is corrosion resistance. Aluminum naturally forms an oxide layer, which imparts exceptional resistance to corrosion, rendering it ideal for outdoor applications or environments characterized by high levels of moisture or humidity. Conversely, steel is prone to rust and corrosion unless adequately coated or protected. As a result, steel flat bars are better suited for indoor applications or areas with minimal exposure to moisture. Lastly, cost represents an additional consideration. Generally, steel flat bars tend to be more cost-effective than aluminum flat bars. Steel is a widely available and economical material, while the production and processing of aluminum can incur greater expenses. In conclusion, steel flat bars offer greater strength and durability, qualifying them for heavy-duty applications and structural support. In contrast, aluminum flat bars are lighter, exhibit greater resistance to corrosion, and are better suited for applications where weight plays a pivotal role. Ultimately, the choice between steel and aluminum flat bars hinges upon the specific requirements of the application, taking into account factors such as strength, weight, corrosion resistance, and cost.
- Q: Can steel flat bars be used in marine environments?
- Yes, steel flat bars can be used in marine environments with proper precautions. However, it is important to note that steel is not inherently resistant to corrosion in marine environments, as exposure to saltwater can cause rust and deterioration over time. To mitigate this issue, stainless steel flat bars are often recommended for marine applications. Stainless steel contains a higher percentage of chromium, which forms a protective oxide layer on the surface, providing excellent corrosion resistance. Additionally, stainless steel flat bars are available in different grades, such as 316 or 316L, which are specifically designed to withstand marine environments. These grades offer superior resistance to pitting and crevice corrosion, making them suitable for applications in coastal or offshore areas. Proper maintenance and regular cleaning are also essential to ensure the longevity of steel flat bars in marine environments.
- Q: What are the common safety precautions when working with steel flat bars?
- When working with steel flat bars, there are several common safety precautions that should be followed to ensure the safety of the workers. 1. Personal Protective Equipment (PPE): The first and foremost precaution is to wear appropriate PPE. This includes safety glasses or goggles to protect the eyes from any flying debris or sparks, gloves to protect hands from sharp edges, and steel-toe boots to protect feet from heavy objects or falling materials. 2. Proper Lifting Techniques: Steel flat bars can be heavy, so it is important to use proper lifting techniques to prevent back or muscle injuries. Lift with your legs, not your back, and avoid twisting or jerking movements while lifting. 3. Secure Storage: When not in use, steel flat bars should be stored in a secure and organized manner. This prevents any accidental tripping or falling hazards. Additionally, heavy steel flat bars should be stored at a lower height to avoid any potential injuries caused by falling objects. 4. Safe Handling: When handling steel flat bars, it is important to be cautious of sharp edges and corners. Workers should always be mindful of their surroundings and avoid any sudden movements that could cause injury. Proper lifting equipment, such as lifting clamps or tongs, should be used when necessary to ensure a secure grip on the bars. 5. Fire Safety: Steel flat bars can produce sparks when being cut or welded. Therefore, it is essential to have a fire extinguisher nearby and ensure proper ventilation in the workspace to prevent the buildup of flammable gases or fumes. 6. Training and Education: All workers should receive proper training and education on the safe handling and use of steel flat bars. This includes understanding the correct tools and equipment to use, as well as the potential hazards associated with working with steel flat bars. By following these common safety precautions, workers can minimize the risk of accidents, injuries, and ensure a safe working environment when working with steel flat bars.
- Q: Is there a requirement for the ground resistance of the field motor? Is it good to use ground flat steel or ground wire?
- The enclosure is grounded and the ground wire is the same, and the ground wire requirement is no more than 4 ohms. Generally, the motor shell can be connected to zero. There is no need to ground. In the power system, earthing and zeroing can not be mixed.
- Q: Can steel flat bars be used for making staircases or ramps?
- Yes, steel flat bars can be used for making staircases or ramps. Steel flat bars are commonly used in construction due to their strength and durability. They can provide a sturdy and stable framework for staircases and ramps, ensuring safety and structural integrity.
- Q: How do you prevent steel flat bars from warping during welding or fabrication?
- There are several techniques and precautions that can be taken to prevent warping of steel flat bars during welding or fabrication. These include: 1. Ensure proper storage and handling: Store the steel flat bars in a dry and stable environment to avoid moisture absorption or exposure to extreme temperature fluctuations. Avoid bending or dropping the bars, as this can cause stress and deformation. 2. Consider preheating: Preheating the steel flat bars before welding can help reduce the risk of warping, especially when working with thicker bars or multiple bars. Preheating minimizes thermal gradients and stress caused by rapid cooling during welding. 3. Use tack welding: Instead of welding the entire length of the bar at once, make a series of small welds along the joint. This distributes heat evenly and prevents excessive heat buildup in one area, reducing the risk of warping. 4. Plan the welding sequence carefully: Start from the center and work outward to evenly distribute heat and minimize warping. Avoid welding too quickly or applying excessive heat, as this can cause distortion. 5. Utilize proper fixturing: Use fixtures and clamps to hold the steel flat bars securely in place during welding. This prevents movement and potential warping. Ensure the bars are uniformly clamped to prevent bending or distortion. 6. Employ backstep welding: Weld in short sections and move backward along the joint. Apply heat in a controlled manner and allow each section to cool before moving on. This reduces the risk of warping. 7. Perform post-welding stress relief: After welding, relieve any residual stress in the steel flat bars through methods like heat treatment or mechanical techniques such as hammering or rolling. Stress relief minimizes the risk of warping and improves overall stability. By implementing these precautions and techniques, it is possible to minimize warping during the welding or fabrication of steel flat bars, ensuring a more precise and reliable end product.
- Q: What is the density of steel flat bars?
- The density of steel flat bars may differ based on the particular steel type employed. Typically, steel has a density of approximately 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). Nevertheless, it is crucial to acknowledge that diverse steel grades and alloys might exhibit slightly varying densities. Consequently, it is advisable to consult the specific material specifications or a trusted source for precise information regarding the density of a particular steel flat bar.
- Q: Can steel flat bars be used for making shelving or storage racks?
- Yes, steel flat bars can be used for making shelving or storage racks. Steel flat bars are strong and durable, making them suitable for supporting heavy loads and providing stability to shelving units or storage racks. They can be easily cut and welded to create custom sizes and shapes, allowing for flexibility in design. Additionally, steel flat bars have a sleek and modern appearance, making them suitable for various types of storage environments such as warehouses, garages, or even homes. Overall, steel flat bars are a reliable and versatile choice for constructing shelving or storage racks.
- Q: Can steel flat bars be used for making food processing equipment?
- As long as they are made from food-grade stainless steel, steel flat bars can be utilized in the production of food processing equipment. Food-grade stainless steel is specifically engineered to ensure safety when in contact with food, as it is resistant to corrosion, staining, and the growth of bacteria. It is frequently employed in the food industry for a variety of equipment, including worktables, shelves, conveyors, and processing machines. The smooth and flat surface of steel flat bars allows for easy cleaning and maintenance, thereby upholding hygiene standards and preventing contamination. However, it is crucial to guarantee that the steel flat bars employed in food processing equipment adhere to relevant food safety regulations and standards in order to ensure the safety and quality of the processed food.
- Q: Are steel flat bars susceptible to rust?
- Steel flat bars can rust because they are made of iron and carbon, which react with moisture and oxygen. This reaction creates iron oxide, or rust. However, there are ways to reduce rusting, such as applying protective coatings, galvanizing, or using stainless steel with added chromium. Regular maintenance and proper storage can also prevent or minimize rust on steel flat bars.
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manufacture direct supply steel flat; flat steel bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 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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