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: What are the different surface finishes for stainless steel flat bars?
- Stainless steel flat bars can be finished in various ways to meet specific requirements and achieve desired aesthetic appearances. Some of the most commonly used surface finishes include the following: 1. Mill Finish: This is the standard and most basic finish for stainless steel flat bars. It is achieved by passing the steel through rollers to create a smooth and even surface. Mill finish has a matte appearance and is mainly utilized in industrial applications where looks are not a primary concern. 2. Brushed Finish: Also referred to as satin finish, this surface finish is accomplished by using abrasive materials to create fine parallel lines on the stainless steel surface. Brushed finish has a dull and matte appearance, providing a slightly textured feel. It is commonly used for decorative purposes in architectural and interior design applications. 3. Mirror Finish: To achieve a mirror-like appearance, the stainless steel surface is polished using progressively finer abrasives until the desired level of reflectivity is obtained. Mirror finish is often used in decorative applications where a sleek and glossy appearance is desired, such as in furniture, appliances, and automotive components. 4. Bead Blast Finish: This finish involves directing small spherical particles onto the stainless steel surface to create a uniform and textured appearance. Bead blast finish has a matte look with a mildly rough texture, making it popular for architectural and decorative applications that require a unique and distinctive appearance. 5. Etched Finish: By chemically treating the stainless steel surface, etching creates patterns or designs that can range from subtle and delicate to bold and intricate. Etched finish is commonly used in decorative applications, including signage, artwork, and jewelry. These examples highlight the variety of surface finishes available for stainless steel flat bars. Each finish possesses its own unique characteristics and can be selected based on desired appearance, functionality, and application requirements.
- Q: Can steel flat bars be used for making brackets or supports for HVAC ductwork?
- Certainly! Steel flat bars have the potential to be employed in the production of brackets or supports for HVAC ductwork. Their durability and strength render them frequently utilized in construction and engineering undertakings. By serving as brackets or supports for HVAC ductwork, steel flat bars guarantee stability and rigidity, effectively securing the ducts in position. Moreover, steel flat bars offer versatility in fabrication as they can be effortlessly cut, shaped, and welded to satisfy precise specifications.
- Q: What are the common surface finishes available for steel flat bars?
- Steel flat bars offer a range of surface finishes to enhance appearance and protect against corrosion. Hot rolled is the default finish, achieved by heating and rolling the steel to create a rough and scaled surface. Cold rolled provides a smooth and shiny finish, preferred for a refined look. Other options include galvanized, with a zinc layer for excellent corrosion resistance, and painted, which adds both aesthetics and rust protection. Moreover, steel flat bars can undergo additional processes like polishing, grinding, or sandblasting. Polishing uses abrasives to create a reflective surface, grinding removes imperfections, and sandblasting creates a textured or matte finish by propelling abrasive particles against the surface. In conclusion, steel flat bars offer a variety of surface finishes, including hot rolled, cold rolled, galvanized, painted, and options like polishing, grinding, or sandblasting. The choice depends on the desired application and aesthetic appearance.
- Q: Can steel flat bars be welded?
- Yes, steel flat bars can be welded. Welding is a common and widely used method for joining or repairing steel materials, including flat bars. The process involves heating the steel to its melting point and then fusing the two pieces together using a welding electrode or filler material. The resulting weld creates a strong and durable bond, making it suitable for various applications in construction, manufacturing, and other industries where steel flat bars are commonly used. However, it is important to follow proper welding procedures and techniques to ensure a successful and structurally sound weld.
- Q: What does QB stand for in Q235B flat steel? What's the difference between Q235B and Q235A?
- There are also some subtle differences between Q235A and Q235B:1, chemical composition: Q235A:C:0.14~0.22:Mn:0.30~0.65; S:0.050;2, mechanical properties: tensile test without distinction, impact test A do not do, Q235B I-beam, Q235B angle steel, Q235B channel steel, Q235BH steel, Q235B flat steel B do 20 degree impact test, V type impact power (longitudinal) J no less than 27.
- Q: How are steel flat bars used in the manufacturing of machinery?
- Steel flat bars are commonly used in the manufacturing of machinery as they provide a strong and durable material for various applications. These flat bars are often used as structural components, providing support and stability to the machinery. They can also be used for creating brackets, frames, and other mounting structures. Additionally, steel flat bars can be machined, welded, or bent to meet specific design requirements, making them versatile in the manufacturing process.
- Q: What are the standard tolerances for steel flat bars?
- The standard tolerances for steel flat bars can vary depending on the specific industry and application. However, in general, the standard tolerances for steel flat bars typically include dimensional tolerances for thickness, width, and length. For thickness, the standard tolerance is usually within a range specified by the manufacturer or industry standards. This tolerance allows for slight variations in the thickness of the flat bars, ensuring that they meet the required specifications without being too far off. Similarly, the standard tolerance for width specifies the acceptable range for the width of the flat bars. This tolerance accounts for possible variations in manufacturing processes and ensures that the bars are within the desired width specifications. The standard tolerance for length typically allows for a certain degree of deviation from the specified length. This tolerance accounts for potential variations in cutting processes and ensures that the flat bars are within an acceptable range of the desired length. It is important to note that the specific tolerances for steel flat bars can vary depending on the industry, application, and specific requirements. Therefore, it is always recommended to consult the relevant industry standards or manufacturer's specifications for precise information regarding the standard tolerances for steel flat bars in a particular context.
- Q: Are steel flat bars easy to work with?
- Yes, steel flat bars are generally considered to be easy to work with. They are versatile and can be easily cut, drilled, welded, and shaped to fit various applications. Steel flat bars have a uniform shape and are available in a range of thicknesses, widths, and lengths, making them suitable for a wide range of projects. Additionally, they have good strength and durability, making them a popular choice in construction, manufacturing, and DIY projects. However, it is important to note that working with steel flat bars may require certain tools and skills, and precautions should be taken to ensure safety.
- Q: The technological process of flat steel
- The production process can be summarized as: pre leveling, finishing, straightening and leveling. Flat /a/b width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling. Main application: flat steel is used as a material, used for making iron, tools and machinery parts, and used as frame structures and escalators for buildings. Flat steel is divided into two kinds according to its shape: flat spring, flat steel and single side double slot spring flat steel. Hot rolled spring flat steel is mainly used in the manufacture of automobiles, tractors, railway transportation and other mechanical leaf springs.
- Q: Are steel flat bars available in different colors or coatings?
- No, steel flat bars are typically not available in different colors or coatings. Steel is typically left in its natural state, which is a dark gray or silver color. However, it is possible to apply coatings or finishes to steel flat bars for specific purposes such as protection against corrosion or to enhance its appearance. These coatings can include galvanized coatings, which provide a layer of zinc to protect against rust, or powder coatings, which can add a layer of color to the steel. However, these coatings are typically applied after the steel has been formed into the flat bar shape and are not readily available in a wide range of colors or finishes.
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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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