• Flat Bar In I Type System 1
  • Flat Bar In I Type System 2
Flat Bar In I Type

Flat Bar In I Type

Ref Price:
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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
-
Supply Capability:
10000 m.t./month

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Specification of Spring Steel:

-Material: 70Si2CrA

-Production: Hot rolled or cold rolled

-Standard: GB/T·5218-1999

-Type: Spring Steel

-Alloy or no: Alloy

 

 

Chemical Composition:

C

Mn

Si

Cr

0.65~0.75

0.40~0.60

1.40~1.70

0.20~0.40

S

P

Ni

≤0.030

≤0.030

≤0.030

 

Mechanical Properties:

-Annealing Condition:

1, Tensile Strength: σb/MPa:≤835

2, Elongation: δ/%:≥8

-Quencher condition:

1, Tensile strength: σb/MPa:785~1175

2, Elongation: -

 

Packaging & Delivery

-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:

1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.

2, Delivery status should be written in the contract. (Heat treatment or no)

 

Usage/Applications

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 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 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.

 

Q: Can steel flat bars be used for fencing or security purposes?
Yes, steel flat bars can be used for fencing or security purposes. They are durable, sturdy, and can provide a strong barrier for protection.
Q: What is the difference between a steel flat bar and a steel angle bar?
A steel flat bar is a long, rectangular-shaped bar with even width and thickness throughout its length, while a steel angle bar has a right angle or L shape, with two legs of equal or varying lengths. The main difference lies in their shapes, where the flat bar is flat and the angle bar has a distinct angular shape.
Q: Can steel flat bars be used for making handrails or balustrades?
Yes, steel flat bars can be used for making handrails or balustrades. They are strong and durable, making them suitable for providing support and safety in a variety of architectural and construction applications.
Q: Can steel flat bars be used for manufacturing agricultural equipment or machinery?
Yes, steel flat bars can be commonly used for manufacturing agricultural equipment or machinery. Steel is a durable and strong material that provides the necessary strength and stability required for agricultural equipment, making it suitable for the manufacturing process. Additionally, steel flat bars can be easily shaped and welded, allowing for customization and adaptability to meet specific agricultural machinery needs.
Q: How do steel flat bars contribute to the earthquake resistance of buildings?
Steel flat bars contribute to the earthquake resistance of buildings by providing additional strength and stiffness to the structure. When used as reinforcements or bracing elements, they help distribute and absorb the forces generated during an earthquake, reducing the risk of structural failure. Additionally, steel flat bars enhance the overall stability of the building, minimizing deformation and improving its ability to withstand ground shaking.
Q: What are the different methods of surface sanding for steel flat bars?
There are several different methods of surface sanding for steel flat bars. The choice of method depends on the desired finish and the specific requirements of the project. 1. Hand Sanding: This method involves using sandpaper or sanding blocks to manually sand the surface of the steel flat bars. It is a simple and cost-effective method, but it can be time-consuming and may not provide a uniform finish. 2. Belt Sanding: Belt sanding machines use abrasive belts to remove material from the surface of the steel flat bars. They are efficient and can achieve a consistent finish. Belt sanding machines come in different sizes and with various grit options, allowing for customization based on the desired outcome. 3. Disc Sanding: Disc sanding machines utilize rotating sanding discs to remove material from the surface of the steel flat bars. They can be used for heavy material removal or fine finishing, depending on the grit of the sanding discs. Disc sanding machines are available in different sizes and configurations to suit different needs. 4. Random Orbital Sanding: This method involves using a random orbital sander, which combines the spinning action of a disc sander with the random orbit motion of an orbital sander. The sanding discs used with this machine have a random pattern, which helps prevent swirl marks on the surface of the steel flat bars. Random orbital sanders are versatile and can be used for both material removal and fine finishing. 5. Vibratory Sanding: Vibratory sanding machines use vibration to remove material from the surface of the steel flat bars. They are often used for deburring, as well as for achieving a smooth finish. Vibratory sanding machines come in various sizes and can be equipped with different types of media, such as ceramic stones or plastic pellets, depending on the desired outcome. 6. Grinding: Grinding is a more aggressive method of surface sanding that uses a grinding wheel or disc to remove material from the steel flat bars. It is commonly used for heavy material removal, such as removing welds or shaping the steel flat bars. Grinding can be done manually or with the use of grinding machines, depending on the size and complexity of the project. Each method of surface sanding for steel flat bars has its advantages and limitations. The choice of method should be based on factors such as the desired finish, the amount of material to be removed, and the resources available. It is important to consider safety precautions and wear appropriate protective equipment, such as goggles and gloves, when using any of these methods.
Q: Can steel flat bars be bent or formed into different shapes?
Yes, steel flat bars can be bent or formed into different shapes using various methods such as heat application, mechanical force, or hydraulic pressure.
Q: What are the applications of steel flat bars?
Steel flat bars have a wide range of applications in various industries such as construction, manufacturing, and automotive. They are commonly used in the fabrication of structures, supports, and frames due to their strength, durability, and versatility. Additionally, steel flat bars are often utilized in machinery parts, equipment manufacturing, and as base plates or brackets for different projects.
Q: What are the different machinability ratings for steel flat bars?
The machinability ratings for steel flat bars can vary depending on the specific type of steel being used. However, there are some general guidelines that can be followed. One commonly used machinability rating system is the American Iron and Steel Institute (AISI) scale. This scale ranges from 0 to 100, with higher numbers indicating better machinability. For example, AISI 1212 steel has a machinability rating of 100, which means it is very easy to machine. On the other hand, AISI 4140 steel has a machinability rating of around 35, indicating that it is more difficult to machine. Other factors that can affect the machinability of steel flat bars include the presence of certain alloying elements, such as sulfur or lead, which can improve chip formation and reduce tool wear. Additionally, the hardness and microstructure of the steel can also impact its machinability. It is important to note that these ratings are just a general guideline and actual machinability can vary depending on the specific machining conditions, such as cutting speed, feed rate, and tooling. It is always recommended to consult with the steel manufacturer or a machining expert to determine the best approach for machining steel flat bars.
Q: What are the different surface treatments available for steel flat bars to enhance aesthetics?
Steel flat bars have several surface treatments available that can improve their appearance and aesthetics. Some of the most common treatments include: 1. Polishing: By grinding and buffing the steel, a smooth and glossy surface is created, enhancing its shine and reflective properties for a sleek and sophisticated look. 2. Brushing: This treatment involves using abrasive materials like wire brushes to create fine lines on the steel's surface, giving it a textured and decorative appearance that adds depth and character. 3. Powder coating: Electrostatically applying a dry powder to the steel surface and then heating it creates a smooth and durable finish. This treatment not only enhances aesthetics with a wide range of colors and finishes but also improves resistance to corrosion, chemicals, and UV rays. 4. Galvanizing: Applying a protective layer of zinc to the steel surface enhances aesthetics with a shiny and metallic appearance while providing excellent corrosion resistance, making it suitable for outdoor applications. 5. Anodizing: An electrochemical process creates a protective oxide layer on the steel surface, enhancing aesthetics with a variety of colors and finishes, as well as improved resistance to corrosion, abrasion, and weathering. 6. Plating: Applying a thin layer of metal, such as chrome or nickel, onto the steel surface enhances aesthetics with a shiny and reflective appearance, while also providing additional protection against corrosion and wear. In conclusion, these surface treatments offer various options to enhance the aesthetics of steel flat bars, making them suitable for a wide range of applications where appearance is crucial, including architectural designs, interior decoration, furniture, and the automotive industry.

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