Carbon Steel Flat Bar in Grade Q235 with High Quality

Carbon Steel Flat Bar in Grade Q235 with High Quality System 1

Carbon Steel Flat Bar in Grade Q235 with High Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Specification of Carbon Steel Flat Bar

Commodity: Carbon Steel Flat Bar

Standard: GB,JIS,ASTM,

Material: Q235,SS400 or Equivalent

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(%)

Q235

0.12—0.20

0.3—0.7

≤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

Above sheets show the technical data of Q235,we can also provide other materials similar to Q235.

Usage/Applications of Carbon 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.

Packaging & Delivery of Carbon 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.

Q:What are the different types of steel finishes available for flat bars?: There are several different types of steel finishes available for flat bars, each offering unique properties and aesthetic appeal. Some common types of steel finishes include: 1. Mill finish: This is the most basic type of steel finish, where the flat bar is left untreated after the manufacturing process. It has a rough and dull appearance. 2. Hot rolled finish: A hot rolled finish involves subjecting the flat bar to high temperatures, which results in a scaly surface. This finish is commonly used for structural and industrial applications. 3. Cold rolled finish: In contrast to hot rolled finish, cold rolling involves passing the flat bar through rollers at room temperature. This process smoothens the surface and creates a polished appearance. 4. Brushed finish: A brushed finish involves using abrasive materials to create a textured surface on the flat bar. This finish is often used for decorative purposes, providing a unique and stylish look. 5. Polished finish: A polished finish is achieved by buffing the flat bar with abrasive materials until it achieves a smooth and reflective surface. This finish is commonly used for architectural applications, as it provides a high-quality, mirror-like appearance. 6. Galvanized finish: Galvanizing is a process where a layer of zinc is applied to the surface of the flat bar to protect it from corrosion. This finish is commonly used for outdoor and marine applications. 7. Powder-coated finish: Powder coating involves applying a dry powder to the surface of the flat bar, which is then cured under heat to form a protective and decorative layer. This finish is available in a wide range of colors and provides excellent durability. Each type of steel finish has its own advantages and is suitable for specific applications. The choice of finish depends on factors such as the intended use, desired appearance, and environmental conditions the flat bar will be exposed to.

Q:Can steel flat bars be hardened?: Indeed, it is possible to harden steel flat bars by means of a technique known as heat treatment. Heat treatment entails subjecting the steel to a precise temperature and subsequently rapidly cooling it, typically in water or oil. This procedure modifies the steel's microstructure, granting it enhanced strength and hardness. The appropriate temperature and cooling approach employed will vary depending on the steel's composition and the desired level of hardness. Hardened steel flat bars find widespread application in numerous sectors, including construction, manufacturing, and automotive, wherein exceptional strength and durability are indispensable.

Q:What are the different types of surface defects in brass steel flat bars?: There are several types of surface defects that can occur in brass steel flat bars, including scratches, pits, dents, and surface roughness.

Q:How do steel flat bars perform in high-temperature oxidation conditions?: Steel flat bars typically perform well in high-temperature oxidation conditions. Steel is known for its high resistance to oxidation, especially in the presence of oxygen. At high temperatures, the surface of the steel flat bar forms a protective oxide layer, primarily composed of iron oxide, which acts as a barrier against further oxidation. This oxide layer helps prevent the steel from corroding and degrading in high-temperature environments. Furthermore, the composition of the steel plays a crucial role in its performance in high-temperature oxidation conditions. Steel grades with higher chromium content, such as stainless steel, exhibit enhanced resistance to oxidation due to the formation of a stable and protective chromium oxide layer on the surface. This layer acts as an additional barrier against oxidation, improving the overall performance of steel flat bars in high-temperature oxidation conditions. However, it is important to note that prolonged exposure to extremely high temperatures or harsh oxidizing environments, such as those found in certain industrial processes, may still lead to some level of oxidation and degradation. Therefore, it is advisable to consider the specific operating conditions and consult with experts or engineers to select the appropriate steel grade or apply additional protective coatings if necessary to ensure optimal performance in high-temperature oxidation conditions.

Q:What are the common surface finishes available for steel flat bars?: Some common surface finishes available for steel flat bars include hot rolled, cold rolled, galvanized, and brushed finishes.

Q:Why is it better to use round steel than that of flat steel in lightning protection?: In the construction of lightning protection, both round bar and flat steel have different uses. Flat steel is generally suitable for horizontal connection between vertical grounding poles for lightning protection. Round steel is suitable for lightning protectionThe guiding line and connected with lightning. The roof, all of the junctions are connected by welding requirements do not exist, what striking issues... The technical norms of the state said so, does not have what good and bad problem

Q:Are steel flat bars susceptible to rust?: Yes, steel flat bars are susceptible to rust. Steel, by nature, is an alloy made primarily of iron and carbon, which makes it prone to oxidation when exposed to moisture and oxygen. When steel flat bars are exposed to these elements, a chemical reaction occurs, resulting in the formation of iron oxide, commonly known as rust. However, the susceptibility to rust can be reduced through various methods such as applying protective coatings, galvanizing, or using stainless steel, which has a higher resistance to rust due to the addition of chromium. Regular maintenance and proper storage can also help prevent or minimize the occurrence of rust on steel flat bars.

Q:Can steel flat bars be used for making hinges or latches?: Yes, steel flat bars can be used for making hinges or latches. Steel flat bars are commonly used in various applications due to their strength, durability, and versatility. When used for hinges or latches, they provide a reliable and sturdy mechanism for opening and closing doors, cabinets, or other objects. The flat shape of the bars allows for easy installation and secure attachment to the respective surfaces. Additionally, steel is highly resistant to corrosion, making it suitable for both indoor and outdoor use. Overall, steel flat bars are an excellent choice for making hinges or latches, providing stability and longevity to the final product.

Q:Are steel flat bars commonly used in construction?: Yes, steel flat bars are commonly used in construction. They are versatile and widely used in various applications such as framing, support structures, and reinforcement. Their flat shape allows for easy installation and they offer strength and durability, making them a popular choice in the construction industry.

Q:How do you cut steel flat bars?: Steel flat bars can be cut using various methods such as sawing, shearing, or using a plasma cutter. The most common and efficient method is to use a metal cutting saw with a carbide blade specifically designed for cutting steel. It is important to secure the bar firmly in place before cutting and wear appropriate safety gear such as goggles and gloves.

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