HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195 System 1

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

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Round bar Details:

Brand Name: N-RIVER Place of Origin: Hebei, China Mainland Application: construction, building etcProduct Description:

Specifications of Wire Rod Q235:

Steel Grade: Q235, Standard: GB Diameter: 5.5mm, 6.5mm, 7mm,8mm,9mm,10mm,12mm,14mm

Diameter Tolerance:±0.3mm 6.5mm can be drawing into 2mm/8.0mm can be drawing into 3mm

Chemical Composition:

Please kindly find our chemistry of our material based on Q235 as below for your information

Trademark	Rank	Chemical composition (quality score) %
		C	Si	Mn	S	P
		C	Si	Mn	S	P
			≤		≤	≤
Q235	A	0.14-0.22	0.30	0.30-0.65	0.050	0.045
Q235	B	0.12-0.20	0.30	0.30-0.70	0.045	0.045
Trademark	Rank	Pulling Test
		Bend PointΔs/Mpa		Tensile Strength	Elongation Ratioδ5%
					Elongation Ratioδ5%
		Thickness (Diameter) /MM			Thickness (Diameter) /MM
		≤16	16-40		≤16	16-40
		≥			≥
Q235	A	235	225	375-500	26	25
Q235	B	235	225	375-500	26	25

Usage and Applications of Wire Rod Q235:

After hot-rolled the products shaped into coil and delivery as finished product, including round, square, rectangular, hexagonal and so on. Since most of the products are round, it is generally called wire rod. Carbon steel wire rod is widely used in construction and manufacturing. Carbon steel wire rod is mainly used for reinforcement of reinforced concrete and welded structure or reprocessed (roberts , nail, etc.) materials, especially used to produce wire drawing, welding electrode, nails, spring, electronic, precise machinery parts and so on.

Packaging & Delivery of Wire Rod Q235:

Packaging Detail: products are packed in coil and then shipped by container or bulk vessel

Each coil weight: 2-3MT

Delivery Detail: within 45 days after received deposit or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

Q:Can steel round bars be annealed?: Yes, steel round bars can be annealed. Annealing is a heat treatment process that involves heating the steel to a specific temperature and then gradually cooling it down. This process helps to relieve internal stresses, improve ductility, and enhance the material's machinability. Annealing can be applied to a wide range of steel products, including round bars, to make them softer, more workable, and reduce the risk of cracking or failure during subsequent manufacturing processes.

Q:Are steel round bars prone to fatigue failure?: Fatigue failure is a common occurrence in steel round bars, which can be attributed to repeated cyclic loading or stress. This leads to a gradual weakening of the material, eventually causing it to fail, even if the applied stress is below its ultimate strength. Due to their inherent characteristics, steel round bars, like other structural materials, are susceptible to fatigue failure. Various factors can contribute to fatigue failure in steel round bars, including improper design, inadequate material selection, manufacturing defects, and excessive cyclic loading. Additionally, surface defects, notches, stress concentrations, and corrosive environments can further accelerate the fatigue process. Engineers and designers take several measures to mitigate the risk of fatigue failure. These include implementing appropriate design practices, selecting high-quality materials, conducting thorough inspections, applying stress-relieving treatments, and considering the impact of cyclic loading during the structural design phase. It is important to understand that the susceptibility of steel round bars to fatigue failure depends on multiple factors, such as the specific steel grade, loading conditions, environmental factors, and overall structural design. Therefore, it is crucial to carefully assess these factors and employ appropriate mitigation measures to ensure the safe and reliable performance of steel round bars in various applications.

Q:Are steel round bars suitable for use in the construction industry?: Yes, steel round bars are commonly used in the construction industry due to their strength, durability, and versatility. They provide structural support in various applications such as reinforcement in concrete, framing, and the creation of beams and columns. Additionally, steel round bars can be easily fabricated, welded, and formed into different shapes, making them a suitable choice for a wide range of construction projects.

Q:Are steel round bars corrosion resistant?: No, steel round bars are not inherently corrosion resistant. Steel is primarily made of iron, and iron is prone to rusting when exposed to moisture and oxygen. However, there are certain types of steel that are specifically designed to be corrosion resistant. These types of steel, such as stainless steel, contain additional alloying elements like chromium and nickel, which form a protective layer on the surface of the steel, preventing rust and corrosion. So, while regular steel round bars are not corrosion resistant, there are corrosion-resistant options available in the form of stainless steel round bars.

Q:What are the different types of steel round bar heat treatments?: Some common types of heat treatments for steel round bars include annealing, normalizing, quenching and tempering, and case hardening.

Q:What is the difference between a rough turned and a precision ground steel round bar?: A rough turned steel round bar refers to a steel bar that has undergone a rough machining process to remove excess material and bring the bar to a closer approximation of its final dimensions. This process typically involves removing the outer layer of the bar through turning or other machining methods. However, the bar is not yet finished to precise tolerances and may still have slight variations in diameter or surface roughness. On the other hand, a precision ground steel round bar has undergone a secondary machining process known as grinding. Grinding is a more precise and controlled method of removing material from the surface of the bar. It involves using a grinding wheel or abrasive tool to carefully remove small amounts of material, resulting in a bar with highly precise dimensions and a smoother surface finish. Precision ground bars are typically made to meet specific tolerances and have a more consistent diameter, surface finish, and straightness compared to rough turned bars. The main difference between a rough turned and a precision ground steel round bar is the level of precision and surface finish achieved. Rough turned bars are suitable for applications where tight tolerances and surface finish are not critical, such as in certain structural or machinery components. Precision ground bars, on the other hand, are preferred when precise dimensions, tight tolerances, and a smooth surface finish are required, such as in precision machining applications or where the bar will be used as a shaft or component in critical machinery or equipment.

Q:What is the maximum length of a steel round bar available?: The maximum length of a steel round bar available can vary depending on various factors such as the manufacturing capabilities, transportation limitations, and customer requirements. However, in general, steel round bars can be produced in lengths ranging from a few feet to several meters. The specific maximum length will depend on the size and diameter of the round bar, as well as other logistical considerations. It is important to consult with steel suppliers or manufacturers to determine the maximum length available for a specific type and size of steel round bar.

Q:Are steel round bars suitable for the production of springs?: Indeed, springs can be produced using steel round bars. Steel, renowned for its exceptional strength and durability, finds widespread application in spring manufacturing. The circular configuration of these bars facilitates effortless shaping and molding, rendering them an ideal choice for spring production procedures. Steel round bars can be conveniently machined and heat-treated to impart the desired spring attributes, including elasticity and resilience. Furthermore, steel boasts a remarkable tensile strength, enabling it to endure substantial loads. Consequently, it proves well-suited for applications necessitating robust and dependable springs.

Q:Are steel round bars recyclable?: Indeed, recyclability is a characteristic inherent to steel round bars. Steel, being of immense value and easily recyclable, is among the most frequently recycled materials worldwide. Once steel round bars have served their purpose, they may be gathered and dispatched to a recycling facility. Within this facility, the round bars are subjected to the melting process, resulting in their conversion into novel steel products. Remarkably, this cycle can be perpetually repeated without any detrimental impact on the steel's quality. By choosing to recycle steel round bars, not only do we aid in the preservation of natural resources and the reduction of waste, but we also contribute to energy conservation and the mitigation of greenhouse gas emissions as opposed to the production of steel from raw materials.

Q:How do steel round bars perform in high-pressure applications?: Steel round bars are known for their exceptional strength and durability, making them highly suitable for high-pressure applications. When subjected to high-pressure conditions, steel round bars exhibit excellent resistance to deformation and maintain their structural integrity. This enables them to withstand the intense forces and maintain their shape, ensuring the safety and reliability of the application. Steel round bars are often used in high-pressure applications such as hydraulic systems, oil and gas pipelines, aerospace components, and high-pressure vessels. Their robust nature allows them to handle the extreme pressures experienced in these applications without failure. The high tensile strength of steel ensures that the bars do not buckle or collapse under pressure, providing the necessary support and stability required for such demanding environments. Additionally, steel round bars possess excellent corrosion resistance properties, which is crucial in high-pressure applications. They can withstand exposure to harsh chemicals, moisture, and other corrosive elements, preventing rusting or degradation over time. This corrosion resistance ensures the longevity and reliability of the steel round bars in high-pressure environments, reducing the risk of premature failure. Furthermore, steel round bars offer versatility in terms of grades and alloys, allowing for customization to meet specific high-pressure requirements. Different grades of steel, such as carbon steel, alloy steel, or stainless steel, can be utilized based on the application's demands. This versatility ensures that the steel round bars can be tailored to provide optimal performance and meet the specific pressure and temperature requirements of the application. In conclusion, steel round bars excel in high-pressure applications due to their exceptional strength, durability, and corrosion resistance properties. Their ability to withstand intense forces and maintain their shape makes them a reliable choice for various industries, including hydraulic systems, oil and gas pipelines, aerospace, and high-pressure vessels. By utilizing steel round bars, companies can ensure the safety, reliability, and longevity of their high-pressure applications.

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