• Hot Rolled Flat Bars with Material Grade Q235 with Cr Added System 1
  • Hot Rolled Flat Bars with Material Grade Q235 with Cr Added System 2
  • Hot Rolled Flat Bars with Material Grade Q235 with Cr Added System 3
Hot Rolled Flat Bars with Material Grade Q235 with Cr Added

Hot Rolled Flat Bars with Material Grade Q235 with Cr Added

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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

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: The products are invoicing on theoritical weight or on actual weight? 

A2: We can do it in both manners, according to buyers' requiremnet.

Q3: How soon can we receive the product after purchase?

A3: 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.

Images:

Slit Cutting Flat Bar with Material Grade Q235

Slit Cutting Flat Bar with Material Grade Q235

 

 

Q:Can steel flat bars be used for making kitchen or bathroom fixtures?
Steel flat bars can certainly be used for making kitchen or bathroom fixtures. Steel is a versatile material that offers durability and strength, making it suitable for various applications. Steel flat bars can be fabricated and shaped into different forms, such as brackets, supports, or frames, which are essential components in constructing fixtures like shelves, towel racks, or even countertop supports. Additionally, steel is resistant to corrosion and moisture, making it ideal for use in moist areas like kitchens and bathrooms. However, it's important to note that steel alone may not be suitable for direct contact with food or water, so appropriate coatings or finishes should be applied to ensure hygiene and prevent rusting. Overall, steel flat bars can be a reliable and practical choice for constructing kitchen or bathroom fixtures due to their strength, versatility, and resistance to moisture and corrosion.
Q:What are the maximum temperature limits for steel flat bars?
The maximum temperature limits for steel flat bars can vary depending on the specific type of steel and its composition. Generally, carbon steel can withstand temperatures up to about 427 degrees Celsius (800 degrees Fahrenheit) before it starts to lose its strength and integrity. However, certain alloy steels, such as stainless steel, can withstand higher temperatures ranging from 900 to 1200 degrees Celsius (1650 to 2200 degrees Fahrenheit) due to their improved heat resistance properties. It is important to consult the manufacturer or reference specific material data sheets to determine the exact maximum temperature limits for a particular steel flat bar.
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 surface cleaning for steel flat bars?
There exist various techniques available for the surface cleaning of steel flat bars, with the selection of the appropriate method depending on the desired level of cleanliness and the condition of the bars. The following are some commonly employed methods: 1. Mechanical cleaning: This method involves the utilization of mechanical tools such as wire brushes, abrasive pads, or sandpaper to eradicate dirt, rust, or other contaminants from the surface of the steel flat bars. It is a manual process that necessitates physical exertion and may consume a significant amount of time. 2. Chemical cleaning: Chemical cleaners or solvents can be employed to dissolve or eliminate stubborn stains, grease, or oil from the surface of steel flat bars. The choice of cleaner depends on the type of contaminants to be eliminated. It is crucial to adhere to safety guidelines and employ appropriate protective gear when handling chemical cleaners. 3. Power washing: Power washing or pressure washing is a technique that employs high-pressure water jets to clean the surface of steel flat bars. This method is effective in removing loose debris, dirt, and grime. It is commonly utilized for outdoor or larger surfaces where manual cleaning may not be practical. 4. Sandblasting: Sandblasting is a technique that entails the use of high-pressure air or water in conjunction with abrasive particles to eliminate rust, paint, or other coatings from the surface of steel flat bars. It is a highly efficient method; however, it necessitates specialized equipment and trained personnel to ensure safe and effective cleaning. 5. Electrochemical cleaning: This method makes use of an electrochemical process to eliminate rust or other oxidation from the surface of steel flat bars. It involves immersing the bars in an electrolyte solution and applying an electric current to initiate a chemical reaction that dissolves the contaminants. This technique is commonly employed for larger surfaces or when dealing with heavily corroded steel. It is essential to bear in mind that the selection of the cleaning method should be based on the specific requirements of the steel flat bars and the desired level of cleanliness. It is advisable to consult professionals or manufacturers to determine the most suitable method for surface cleaning in each individual case.
Q:Can steel flat bars be heat treated for increased strength?
Yes, steel flat bars can be heat treated to increase their strength. Heat treatment processes such as quenching and tempering can be employed to alter the microstructure of the steel, resulting in improved mechanical properties such as increased strength.
Q:What is the typical price range for steel flat bars?
The typical price range for steel flat bars can vary depending on factors such as size, thickness, and the current market conditions. However, as a general guideline, the price range for steel flat bars can range from around $10 to $50 per foot.
Q:Are steel flat bars suitable for electrical conductivity applications?
No, steel flat bars are not suitable for electrical conductivity applications. Steel is a poor conductor of electricity compared to other materials like copper or aluminum. While steel can conduct electricity to some extent, its conductivity is significantly lower than that of metals specifically designed for electrical applications. Therefore, it is recommended to use materials with higher electrical conductivity, such as copper or aluminum, for electrical conductivity applications.
Q:Can steel flat bars be used in electrical or electronic equipment?
Yes, steel flat bars can be used in electrical or electronic equipment. Steel flat bars are often used as a mounting or support component in electrical or electronic equipment due to their strength and durability. They provide stability and structural integrity to the equipment, especially in applications where weight or load-bearing capacity is important. Additionally, steel flat bars can also be used as conductive elements in certain electrical or electronic systems, as they have good electrical conductivity properties. However, it is important to note that steel is a conductor of electricity, so proper insulation and grounding techniques should be followed to prevent any electrical hazards.
Q:Are steel flat bars commonly used in the transportation industry?
Yes, steel flat bars are commonly used in the transportation industry. They are often used for constructing various components such as brackets, frames, and supports in vehicles like cars, trucks, and trailers. Steel flat bars are valued for their strength, durability, and versatility, making them a popular choice in transportation applications.
Q:How do you determine the tensile strength of a steel flat bar?
A common method for determining the tensile strength of a steel flat bar is to conduct a tensile test. This test entails subjecting a sample of the steel flat bar to an increasing tensile force until it reaches its breaking point. The recorded force required to break the sample is then used to calculate the tensile strength. To begin, a representative sample of the steel flat bar should be obtained. This sample must be of sufficient length to allow for proper gripping and testing, without any irregularities or defects. It is crucial to prepare the sample in accordance with the applicable standards and guidelines to ensure accurate results. Next, the sample is typically placed into a universal testing machine, which has the capability to exert a controlled tensile force on the sample. The machine is equipped with fixtures that securely hold the sample in place, preventing slippage or misalignment during the test. The test commences by gradually applying a tensile force to the sample, increasing it until the sample breaks. The machine records the applied force at regular intervals, enabling the creation of a stress-strain curve. This curve provides valuable insights into the material's behavior under tension and aids in determining its tensile strength. Upon the sample's failure, the maximum applied force is recorded. This force is then divided by the cross-sectional area of the sample to determine the tensile strength. Precise instruments are typically used to measure the width and thickness of the sample, which are necessary for calculating the cross-sectional area. It is important to note that the tensile strength of a steel flat bar may vary along its length due to factors such as variations in composition, heat treatment, or manufacturing processes. Therefore, it is advisable to take multiple samples from different sections of the bar to obtain representative results. In conclusion, the process of determining the tensile strength of a steel flat bar involves conducting a tensile test on a representative sample. This test entails gradually applying a tensile force until the sample breaks, recording the maximum force applied, and dividing it by the cross-sectional area of the sample to calculate the tensile strength.

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