• Seel Flat Bars with Material Grade Q235/SS400 System 1
  • Seel Flat Bars with Material Grade Q235/SS400 System 2
  • Seel Flat Bars with Material Grade Q235/SS400 System 3
Seel Flat Bars with Material Grade Q235/SS400

Seel Flat Bars with Material Grade Q235/SS400

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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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 steel products ?

A4: Normally 7%-9%, but we can also produce the goods according to the customers' requests. 

 

Images:

Slit Cutting Flat Bar with Material Grade Q235

Slit Cutting Flat Bar with Material Grade Q235

 

 

 

Q:What are the common surface defects in steel flat bars?
Steel flat bars commonly exhibit surface defects, such as: 1. Scale: This oxide layer forms on the steel's surface during manufacturing and can present as a dark or flaky coating. Scale arises from exposure to heat or chemicals and can impact the steel's appearance and surface finish. 2. Pitting: Small depressions or holes emerge on the steel's surface due to corrosion, exposure to chemicals, or mishandling during manufacturing or transportation. Pitting weakens the steel and affects its structural integrity. 3. Scratches: Shallow grooves or marks occur on the steel's surface during handling, transportation, or fabrication processes. While scratches may not compromise the steel's overall structural integrity, they can influence its appearance and potentially lead to localized corrosion if not properly addressed. 4. Roll marks: Imprinted repetitive patterns or lines appear on the steel's surface during the rolling process. Imperfections in the rolling equipment or improper roller adjustments cause these roll marks. They impact the steel's aesthetic appearance but typically do not affect its mechanical properties. 5. Inclusions: Foreign materials or impurities become trapped within the steel during manufacturing, resulting in dark spots or irregular shapes on the surface. Inclusions weaken the steel and affect its mechanical properties, such as ductility and toughness. It is vital to note that the severity and occurrence of these surface defects vary depending on the steel's quality and the manufacturing processes employed. Regular inspection and quality control measures are necessary to detect and rectify these defects, ensuring the desired performance and appearance of steel flat bars.
Q:How do steel flat bars compare to fiberglass flat bars?
Distinct differences exist between steel flat bars and fiberglass flat bars in terms of composition, properties, and applications. To begin with, steel flat bars are manufactured by heating a solid steel billet and passing it through rollers to achieve the desired shape. Renowned for their exceptional strength, durability, and resistance to bending and impact, steel flat bars are able to withstand heavy loads. Consequently, they are commonly utilized in the construction, manufacturing, and machinery industries. Moreover, steel flat bars exhibit high resistance to fire and extreme temperatures. On the other hand, fiberglass flat bars are composed of glass fibers embedded in a resin matrix. This unique composition grants them properties such as being lightweight, corrosion-resistant, and non-conductive. Consequently, fiberglass flat bars find common usage in industries where electrical conductivity or non-magnetic properties are indispensable, such as electrical and telecommunications applications. Additionally, their resistance to water, chemicals, and UV radiation makes them suitable for employment in marine and automotive industries. When comparing strength, steel flat bars generally possess a higher tensile strength than fiberglass flat bars. Steel, being a denser material, is capable of enduring higher loads and impacts. Conversely, fiberglass flat bars, while not as strong as steel, exhibit a high strength-to-weight ratio, rendering them appropriate for applications that prioritize weight reduction. Another crucial factor is cost. In general, steel flat bars are more cost-effective than their fiberglass counterparts. Steel is extensively available and widely used, thus reducing production costs. Conversely, fiberglass necessitates specialized manufacturing processes and materials, resulting in relatively higher expenses. Ultimately, the choice between steel and fiberglass flat bars hinges on the specific requirements of the application at hand. If strength, durability, and cost-effectiveness are paramount, steel flat bars are the favored option. Conversely, if lightweight, non-conductive, and corrosion-resistant properties are crucial, fiberglass flat bars emerge as the superior choice.
Q:Can steel flat bars be used for making security gates?
Absolutely! When it comes to crafting security gates, steel flat bars are an ideal choice. Steel, renowned for its durability and strength, offers exceptional security and protection. Notably, flat bars can be effortlessly welded or bolted together, enabling the creation of a robust gate structure. Furthermore, steel flat bars possess corrosion resistance and can endure harsh weather conditions, rendering them perfect for outdoor applications. By employing steel flat bars, security gates can be constructed to deliver a top-notch level of security, guaranteeing the safety of any property or premises.
Q:What are the different types of surface defects in aluminum steel flat bars?
There are several different types of surface defects that can occur in aluminum steel flat bars. Some common ones include: 1. Scratches: These are visible marks or abrasions on the surface of the flat bar caused by contact with a hard object or rough handling during manufacturing or transportation. 2. Dents: Dents are depressions or concave marks on the surface of the flat bar, usually caused by impact or pressure from external forces. 3. Pitting: Pitting refers to small, shallow holes or depressions on the surface of the flat bar. It is typically caused by corrosion or chemical reactions with the environment. 4. Stains: Stains are discolorations or marks on the surface of the flat bar caused by exposure to chemicals, moisture, or other contaminants. 5. Roll marks: These are lines or patterns on the surface of the flat bar caused by the rolling process during manufacturing. They are often visible across the length of the bar. 6. Laminations: Laminations are separations or layers within the flat bar that occur during the rolling or cooling process. They can weaken the structure and affect the flatness of the bar. 7. Surface roughness: This refers to an uneven or rough texture on the surface of the flat bar, often caused by machining or grinding operations during manufacturing. 8. Oxide scale: Oxide scale is a thin layer of oxide or rust that forms on the surface of the flat bar due to exposure to oxygen or moisture. It can affect the appearance and integrity of the bar. It is important to inspect and address these surface defects to ensure the quality and performance of aluminum steel flat bars in various applications.
Q:Can steel flat bars be polished or buffed?
Indeed, it is possible to polish or buff steel flat bars. Polishing or buffing entails utilizing abrasive materials to eliminate any flaws or marks present on the steel's surface. This technique aids in augmenting the aesthetic appeal of the steel flat bars, bestowing upon them a sleek and glossy appearance. Moreover, polishing or buffing also contributes to enhancing the steel's resistance against corrosion by eradicating any impurities or oxidation on its surface.
Q:How strong are steel flat bars?
Steel flat bars are known for their strength and durability. The specific strength of steel flat bars can vary depending on the grade of steel used and the dimensions of the bar. However, in general, steel flat bars are considered to be quite strong due to the inherent properties of steel, making them suitable for a wide range of structural and industrial applications.
Q:What is the rolling range of the micro cold rolled flat steel production line?
The pig iron used for steelmaking is smelted in a steel furnace and smelted by a certain process, and then steel is obtained. Steel products are steel ingot, continuous casting billet and direct casting of various steel castings. Generally speaking, steel is generally used to make steel made of various kinds of steel. Steel belongs to ferrous metals, but steel is not exactly black metal.
Q:What are the different types of surface coatings for steel flat bars?
There are several different types of surface coatings available for steel flat bars, each with its unique properties and advantages. Some of the common types of surface coatings for steel flat bars include: 1. Galvanized Coating: This type of coating involves applying a layer of zinc to the surface of the steel flat bar. Galvanizing helps protect the steel from corrosion and rust, making it ideal for outdoor applications or areas with high humidity. 2. Powder Coating: Powder coating is a popular choice for steel flat bars as it provides a durable and attractive finish. In this process, a dry powder is electrostatically sprayed onto the surface of the steel flat bar, and then it is baked to create a hard, smooth coating. 3. Epoxy Coating: Epoxy coatings are known for their excellent adhesion and chemical resistance. They are often used in industrial settings where the steel flat bars are exposed to harsh chemicals or extreme weather conditions. 4. Paint Coating: Paint coatings are a versatile option for steel flat bars, allowing for customization in terms of color and finish. They provide a protective layer against corrosion and can be easily applied using spray or brush methods. 5. Chrome Plating: Chrome plating involves depositing a thin layer of chromium onto the surface of the steel flat bar. This coating provides excellent resistance to wear and corrosion, making it suitable for applications that require a high level of durability and aesthetics. 6. Black Oxide Coating: Black oxide coating is a chemical conversion coating that provides a black finish to the steel flat bar. It offers mild corrosion resistance and enhances the appearance of the steel flat bar. These are just a few examples of the different types of surface coatings available for steel flat bars. The choice of coating depends on the specific requirements of the application, such as the level of corrosion resistance, aesthetics, and environmental factors. It is important to consider the intended use and conditions to select the most appropriate coating for steel flat bars.
Q:Can steel flat bars be used for making hand tools or gardening equipment?
Absolutely, steel flat bars are ideal for crafting hand tools and gardening equipment. Steel, renowned for its strength and durability, is widely employed in the production of diverse tools and equipment. The malleability of steel flat bars enables effortless shaping and customization to cater to the particular requirements of hand tools and gardening equipment. These bars can be utilized for fabricating handles, blades, brackets, or any other necessary component in these applications. Moreover, steel flat bars boast corrosion resistance and can endure rigorous use, rendering them perfect for tools and equipment that are exposed to outdoor elements or demanding gardening tasks.
Q:Can steel flat bars be used in the manufacturing of electrical enclosures?
Certainly, electrical enclosures can be manufactured using steel flat bars. Steel is an incredibly versatile material that possesses numerous desirable qualities, such as strength, durability, and resistance to corrosion. These properties make steel well-suited for a wide range of applications, including the production of electrical enclosures. By utilizing steel flat bars, one can provide structural support and stability to the enclosure, ensuring that it remains intact and safeguards the electrical components housed within. Moreover, steel can be easily fabricated and tailored to meet specific design specifications, thereby enabling the creation of enclosures in various shapes and sizes. Consequently, steel flat bars are commonly employed within the electrical enclosure manufacturing industry due to their advantageous characteristics and suitability for this field.

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