Q235 Stainless Steel Flat Bar of Standard: GB
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000 m.t./month
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Product Applications:
Q235 Stainless Steel Flat Bar of Standard: GB 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 Q235 Stainless Steel Flat Bar 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
Specification of Q235 Steel Flat Bar
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.
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: What makes stainless steel stainless?
A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q4: Can stainless steel rust?
A4: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface
- Q: Can steel flat bars be used for making frames or supports for solar panels?
- Yes, steel flat bars can be used for making frames or supports for solar panels. Steel is a commonly used material for its strength, durability, and ability to withstand various weather conditions. The flat bars can provide a sturdy structure to hold and secure the solar panels, ensuring their stability and longevity.
- Q: The distinction between flat steel and steel strip
- Flat bar is strip, mostly 30*3, 40*4, 50*5 and so on. Strip: Blue (sometimes called black) is a chemical treatment, the surface to form a dense oxide film, corrosion and decoration;
- Q: How do steel flat bars contribute to the overall durability of commercial structures?
- Steel flat bars contribute to the overall durability of commercial structures by providing strength and stability. They are commonly used in construction to reinforce concrete structures, such as beams and columns, and to support heavy loads. The high tensile strength of steel makes it resistant to bending and breaking, ensuring that the structure remains stable and can withstand various environmental and structural stresses. Additionally, steel flat bars are corrosion-resistant, making them ideal for withstanding harsh weather conditions and extending the lifespan of the commercial structure.
- Q: What is the cost of steel flat bars compared to other materials?
- The cost of steel flat bars compared to other materials can vary depending on several factors. Steel is generally considered to be a cost-effective material due to its abundance and versatility. It is widely available and produced at a large scale, which helps keep the cost relatively low compared to other materials. In comparison to materials like aluminum or titanium, steel flat bars are generally more affordable. Aluminum is lighter and has a higher strength-to-weight ratio, but it is also more expensive due to the higher cost of production and raw materials. Titanium, on the other hand, is known for its exceptional strength and corrosion resistance, but it is significantly more expensive than steel. However, it is important to note that the cost of steel flat bars can also vary based on the specific type and grade of steel used. Different grades of steel, such as carbon steel or stainless steel, can have different price points based on their properties and applications. Additionally, market factors such as supply and demand, production costs, and location can also influence the cost of steel flat bars. Overall, while steel flat bars are generally considered to be a cost-effective option compared to other materials, it is necessary to consider the specific requirements and properties needed for a particular application to accurately assess the cost.
- Q: How do you protect steel flat bars from UV radiation or sun damage?
- There are several ways to protect steel flat bars from UV radiation or sun damage. Firstly, one can apply a protective coating to the surface of the bars. A high-quality paint formulated for outdoor use, with UV-resistant properties, is a common option. This will prevent fading or discoloration of the bars. Another effective method is to use a clear sealant or varnish with UV inhibitors. These products create a barrier on the steel's surface, blocking UV radiation and reducing the risk of sun damage. It is important to choose a sealant designed for metal surfaces to ensure maximum effectiveness. In addition to these measures, regular cleaning and maintenance of the steel bars is vital. This involves removing any dirt, dust, or debris that can intensify UV damage. Regular inspections should also be conducted to identify signs of corrosion or deterioration, as these weaken the steel and make it more susceptible to UV damage. Lastly, if the steel bars are exposed to direct sunlight for extended periods, providing shade or cover is recommended. Awnings, canopies, or other protective structures can be used to block or diffuse sunlight, reducing the intensity of UV exposure. By implementing these protective measures, the steel flat bars can be safeguarded against UV radiation and sun damage, preserving their longevity and structural integrity.
- Q: How do steel flat bars perform in high-pressure environments?
- The strength and durability of steel flat bars make them well-suited for high-pressure environments, as they can evenly distribute pressure and resist deformation or failure. This makes them ideal for various applications where structural integrity is crucial. Their high tensile strength allows them to withstand significant pressure without compromising their performance. Additionally, their hardness helps them resist wear and abrasion, making them suitable for harsh conditions. Steel flat bars also have good corrosion resistance, which is important in moisture or corrosive substance-prone environments. They can be further protected against corrosion through coatings or treatments. Furthermore, steel flat bars are easily weldable, allowing for easy customization for specific high-pressure applications. This flexibility enables their use in industries such as construction, manufacturing, and oil and gas. However, it is important to consider factors like steel grade, dimensions, and manufacturing process when selecting steel flat bars for high-pressure environments. Consulting with experts or referring to industry standards can aid in their appropriate selection and utilization.
- Q: What are the standard tolerances for width and thickness in steel flat bars?
- The width and thickness of steel flat bars can have varying standard tolerances depending on the specific industry or application requirements. However, there are generally accepted tolerances that are commonly used. In terms of width, the standard tolerances typically fall within the range of +/- 0.005 to 0.030 inches, or +/- 0.13 to 0.76 millimeters. These tolerances ensure that the width of the steel flat bar remains within a specified range, promoting consistency in manufacturing and ensuring that the final product meets the necessary dimensions. Concerning thickness, the standard tolerances for steel flat bars also depend on the specific application. However, a typical tolerance range for thickness is usually between +/- 0.010 to 0.060 inches, or +/- 0.25 to 1.52 millimeters. These tolerances guarantee that the thickness of the steel flat bar remains within a specified range, fostering uniformity in production and ensuring compliance with the required thickness requirements. It is important to acknowledge that these tolerances are generalized and may differ depending on the specific industry or application. It is always recommended to refer to the relevant industry standards or specifications to determine the precise tolerances necessary for a particular steel flat bar application.
- Q: Can steel flat bars be used for reinforcing concrete structures?
- Indeed, steel flat bars have the potential to reinforce concrete structures. Concrete construction frequently incorporates steel reinforcement as a means of enhancing durability and strength. To reinforce diverse concrete structures like beams, columns, slabs, and foundations, steel flat bars can be employed. These bars are typically positioned within the concrete to aid in the distribution and resistance of tensile forces, which concrete alone cannot endure. The choice of steel flat bars for reinforcement is driven by their exceptional tensile strength, ease of installation, and ability to form a robust bond with concrete.
- Q: What are the different methods of finishing the edges of steel flat bars?
- There are multiple ways to finish the edges of steel flat bars, each with their own advantages and applications. 1. By cutting: One of the simplest methods involves cutting the flat bar's edges to the desired length or shape. Various cutting tools, such as shears, saws, or plasma torches, can be used depending on the steel's thickness and hardness. Cutting results in a clean and precise finish, making it suitable for most applications. 2. Through grinding: Grinding the edges of steel flat bars helps achieve a smooth and polished finish. This process entails using a grinding wheel or belt sander to eliminate any rough edges or burrs, resulting in a clean and professional appearance. Grinding is commonly employed for decorative purposes or when a smooth surface is required. 3. By deburring: Deburring involves removing burrs or sharp edges left after cutting or grinding. This can be done manually using a file or deburring tool, or by utilizing a vibratory or tumbling machine. Deburring ensures safety and enhances the overall appearance of the flat bar. 4. Beveling: Beveling refers to creating angled edges on the flat bar. This is often done to improve weldability or create a chamfered edge for aesthetic purposes. Beveling can be accomplished using specialized tools like beveling machines or by hand with a grinder. 5. Galvanizing: Galvanizing involves coating the steel flat bar with a layer of zinc to protect it from corrosion. This method is commonly used when the flat bar will be exposed to harsh environmental conditions or moisture. Galvanizing not only provides a protective coating but also gives the flat bar a shiny and attractive finish. 6. Powder coating: Powder coating is a technique where a dry powder is applied to the steel flat bar and cured under heat to form a protective and decorative layer. This method offers a wide range of colors and finishes, making it ideal for applications where aesthetics are important, such as furniture or architectural elements. 7. Anodizing: Anodizing is primarily used for aluminum, but it can also be applied to steel flat bars to provide corrosion resistance and improve the surface finish. This process involves creating an oxide layer on the steel's surface through an electrochemical reaction. Anodized steel flat bars are commonly utilized in the construction and automotive industries. In summary, the various methods for finishing the edges of steel flat bars include cutting, grinding, deburring, beveling, galvanizing, powder coating, and anodizing. Each method offers unique benefits and is chosen based on the desired functionality, appearance, and durability required for a specific application.
- Q: How do you determine the corrosion resistance of a steel flat bar?
- The corrosion resistance of a steel flat bar can be determined through various methods such as conducting corrosion tests, evaluating the composition and microstructure of the steel, and considering the environmental factors it will be exposed to.
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Q235 Stainless Steel Flat Bar of Standard: GB
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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