Standard Size Q235 Hot Rolled Steel Flats from China

Standard Size Q235 Hot Rolled Steel Flats from China System 1

Standard Size Q235 Hot Rolled Steel Flats from China

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 200000 m.t./month

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Details of Standard Size Q235 Hot Rolled Steel Flats from China

Minimum Order Quantity:	25MT	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Specification of Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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 Standard Size Q235 Hot Rolled Steel Flats from China

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.

Pictures of Standard Size Q235 Hot Rolled Steel Flats from China

Standard Size Q235 Hot Rolled Steel Flats from China

Q: What are the different types of surface defects that can be found in steel flat bars?: Some common types of surface defects found in steel flat bars are scratches, pits, scale, cracks, and rust.

Q: How do steel flat bars perform under static loads?: Steel flat bars are extensively utilized in numerous industries due to their exceptional strength and durability. The performance of these flat bars is highly commendable when exposed to static loads. Static loads pertain to loads that remain constant over time, such as the weight of structures or objects resting on the flat bars. Steel flat bars possess the ability to withstand these loads without experiencing significant deformation or failure. The remarkable tensile strength of steel facilitates the even distribution of applied loads across its surface, thereby minimizing stress concentrations. This characteristic ensures that steel flat bars can support heavy loads without bending or breaking. Furthermore, steel flat bars exhibit excellent resistance to deflection, meaning they retain their shape and remain stable under static loads. This property is of utmost importance in applications that demand a high level of structural integrity, including bridges, buildings, and machinery. Moreover, steel flat bars demonstrate superb fatigue resistance, enabling them to endure repeated loading and unloading cycles without weakening or fracturing. This advantage proves particularly advantageous in situations where the flat bars are exposed to dynamic loads or vibrations. To conclude, steel flat bars exhibit exceptional performance under static loads. Their high strength, resistance to deformation, and fatigue resistance make them an ideal choice for a wide range of applications that necessitate dependable and stable support.

Q: Can steel flat bars be used for making brackets or supports?: Yes, steel flat bars can be used for making brackets or supports. They are commonly used in construction and manufacturing industries due to their strength, durability, and ability to bear heavy loads.

Q: Are steel flat bars suitable for marine environments?: Steel flat bars can be suitable for marine environments, but it depends on the specific type of steel and the level of exposure to saltwater or other corrosive elements. Stainless steel flat bars, particularly those made from marine-grade stainless steel such as 316 or 316L, are highly resistant to corrosion and are commonly used in marine applications. These stainless steel flat bars have high levels of chromium and molybdenum, which provide excellent resistance to saltwater, humidity, and other corrosive agents found in marine environments. However, not all steel flat bars are suitable for marine environments. Ordinary carbon steel flat bars are prone to corrosion when exposed to saltwater and can quickly deteriorate. If carbon steel is used in marine applications, it needs to be properly protected with coatings or galvanization to prevent corrosion. In summary, stainless steel flat bars, particularly marine-grade stainless steel, are ideal for marine environments due to their excellent corrosion resistance. On the other hand, ordinary carbon steel flat bars should be avoided unless adequately protected to prevent corrosion.

Q: What is the cost of a steel flat bar?: The cost of a steel flat bar can vary depending on various factors such as the size, grade, and quantity needed. It is best to check with local suppliers or online retailers to get an accurate price. Prices can range from a few dollars to several hundred dollars per bar.

Q: How do steel flat bars resist bending or twisting?: Steel flat bars are able to resist bending or twisting due to their inherent strength and rigidity. The material itself is strong and durable, capable of withstanding applied forces without easily deforming. The flat shape of the bar also plays a role in its resistance to bending or twisting by evenly distributing the forces across its width. To further enhance the resistance to bending or twisting, steel flat bars often have a rectangular or square cross-section. This cross-sectional shape provides greater stability compared to other shapes. The flat surfaces of the bar help distribute the bending or twisting forces evenly, preventing concentrated stress points that could result in deformation. Moreover, the manufacturing process of steel flat bars involves a high-temperature heating followed by rapid cooling, known as quenching and tempering. This process increases the strength and toughness of the steel, making it more resistant to bending or twisting. Additionally, the composition of the steel used in flat bars can also impact their resistance to bending or twisting. Alloying elements like carbon, manganese, and chromium can be added to enhance the strength and resistance to deformation. Overall, the combination of steel's inherent strength and rigidity, the flat shape of the bar, the cross-sectional design, and the manufacturing process all contribute to the ability of steel flat bars to resist bending or twisting.

Q: Are steel flat bars available in different lengths for packaging purposes?: Yes, steel flat bars are available in different lengths for packaging purposes. Steel flat bars can be cut to specific lengths to meet the packaging requirements of various industries. This allows for efficient and secure packaging of different products. Whether it is for protecting fragile items or securing heavy machinery, steel flat bars in different lengths can be used to provide the necessary support and stability during transportation and storage.

Q: What are the different shapes available in steel flat bars?: Steel flat bars come in various shapes, each designed to meet specific requirements and applications. Some of the different shapes available in steel flat bars include flat, round-edged, square-edged, and round. 1. Flat shape: This is the most common and basic shape of steel flat bars. It has a rectangular cross-section with two parallel and flat surfaces. Flat bars are widely used in construction, manufacturing, and fabrication industries for structural support, framework, and general applications. 2. Round-edged shape: Steel flat bars with round edges have a slightly curved or rounded profile on the edges. This shape is preferred when the flat bar may come in contact with other materials or people, as it reduces the risk of injuries or damage caused by sharp edges. Round-edged flat bars are commonly used in furniture, automotive, and architectural applications. 3. Square-edged shape: Similar to the flat shape, square-edged steel flat bars have sharp, square corners. This shape is ideal when precise right angles are required or when the flat bar needs to fit into specific slots or joints. Square-edged flat bars are commonly used in construction, machinery, and manufacturing industries. 4. Round shape: While not technically a "flat" bar, steel round bars are widely used in various industries. Round bars have a circular cross-section and are often used for applications that require strength, durability, and resistance to deformation. They are commonly used in construction, engineering, and automotive applications. It is important to note that these are just a few examples of the different shapes available in steel flat bars. Manufacturers may offer custom shapes and profiles to meet specific project requirements.

Q: Can steel flat bars be used in electrical or electronic equipment?: Indeed, electrical or electronic equipment can utilize steel flat bars effectively. These bars are frequently employed as mounting or support components in such equipment owing to their exceptional strength and resilience. They offer stability and structural integrity to the equipment, especially in scenarios where weight or load-bearing capability holds significance. Moreover, steel flat bars can serve as conductive elements in specific electrical or electronic systems, given their commendable electrical conductivity properties. Nevertheless, it is crucial to acknowledge that steel is an electricity conductor, necessitating adherence to appropriate insulation and grounding techniques to avert any electrical hazards.

Q: Do lightning protection, lead out of the galvanized round steel, flat steel needs to be inspected?: The corrosion resistance of cold galvanizing is not as good as that of hot-dip galvanizing. It is used as lightning protection and grounding material. It is corroded quickly, and the grounding resistance is raised rapidly. It exceeds the required resistance.

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