cold round bar and gb

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Payment Terms:: TT OR LC

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Product 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

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

Q:Can steel round bars be used in the manufacturing of hydraulic components?: Yes, steel round bars can be used in the manufacturing of hydraulic components. Steel is a commonly used material in the manufacturing industry due to its durability, strength, and resistance to corrosion. Steel round bars can be machined, shaped, and forged to create various hydraulic components such as pistons, cylinders, and valves.

Q:Are steel round bars suitable for plumbing applications?: Yes, steel round bars are suitable for plumbing applications. They are commonly used in plumbing systems for their strength, durability, and resistance to corrosion. Steel round bars can be easily shaped and welded to create various plumbing components such as pipe fittings, supports, and brackets. Additionally, their high tensile strength makes them capable of withstanding the pressure and load requirements in plumbing systems.

Q:What is the typical hardness of a steel round bar?: The hardness of a steel round bar can vary depending on its specific grade and heat treatment. Generally, steel round bars have a hardness ranging from 100 to 300 on the Brinell hardness scale, which measures a material's resistance to indentation and is commonly used for assessing metal hardness. It's worth noting that different applications may call for varying levels of hardness, and steel round bars can be tailored to meet specific requirements through heat treatment processes like quenching and tempering.

Q:Are steel round bars prone to deformation?: Yes, steel round bars can be prone to deformation under certain conditions. Factors such as excessive heat, extreme pressure, or improper handling can cause steel round bars to bend, warp, or twist. However, when manufactured and used properly, steel round bars are highly durable and resistant to deformation.

Q:What is the maximum titanium content allowed for steel round bars?: The maximum titanium content allowed for steel round bars typically depends on the specific steel grade and composition. However, as a general guideline, the maximum titanium content in steel round bars is usually around 0.05-0.06%.

Q:What are the advantages of using high-temperature steel round bars?: Using high-temperature steel round bars in various applications has several advantages. Firstly, these bars possess excellent heat resistance properties, enabling them to withstand elevated temperatures without compromising their structural integrity. This makes them ideal for industries like aerospace, automotive, and power generation, where components are exposed to extreme heat conditions. Another advantage of high-temperature steel round bars is their superior strength and durability. They are designed to withstand high mechanical stresses, making them suitable for applications requiring heavy loads or intense pressure. Additionally, their high strength-to-weight ratio allows for lighter and more efficient designs, reducing overall material and production costs. Furthermore, high-temperature steel round bars exhibit excellent corrosion resistance properties. They can withstand exposure to harsh environments, including chemicals, moisture, and saltwater, without significant degradation. This makes them suitable for industries like marine, chemical, and oil and gas where corrosion resistance is crucial. Moreover, high-temperature steel round bars offer excellent dimensional stability, maintaining their shape and size even under extreme temperature fluctuations. This property is highly advantageous in applications where precision and accuracy are essential, such as machining and tooling. Lastly, high-temperature steel round bars are readily available in various sizes, grades, and finishes, allowing for flexibility and customization to meet specific project requirements. This versatility makes them suitable for a wide range of applications, ensuring that there is a suitable option for every project, regardless of complexity or industry. In conclusion, high-temperature steel round bars provide superior heat resistance, strength, durability, corrosion resistance, dimensional stability, and versatility. These properties make them an excellent choice for various industries and applications, guaranteeing reliable and long-lasting performance in demanding environments.

Q:How are steel round bars used in the manufacturing of agricultural implements?: Steel round bars are commonly used in the manufacturing of agricultural implements due to their durability, strength, and versatility. These bars are typically made of carbon steel, which provides excellent resistance to wear and tear, making them ideal for heavy-duty applications in the agricultural industry. One of the primary uses of steel round bars in the manufacturing of agricultural implements is in the construction of plows. Plows are essential tools used for breaking up and turning over soil, preparing it for planting. The steel round bars are used to create the main framework of the plow, ensuring it can withstand the high levels of force and pressure exerted while tilling the soil. Steel round bars are also utilized in the manufacturing of harrows, which are used for cultivating the soil after plowing. Harrows are designed to break up clumps of soil, level the ground, and remove weeds, creating an ideal seedbed for planting. The strength of steel round bars allows them to withstand the rigorous use of harrows without bending or breaking, ensuring their longevity and effectiveness. In addition to plows and harrows, steel round bars are commonly used in the fabrication of other agricultural implements such as cultivators, seeders, and sprayers. These implements require sturdy and durable components to withstand the demanding conditions of agricultural operations. Steel round bars provide the necessary strength and structural integrity to these implements, enabling them to perform their intended functions effectively. Furthermore, steel round bars are also used in the manufacturing of livestock equipment such as gates, fences, and cattle panels. These components need to be strong and robust to contain livestock and withstand their movements and force. Steel round bars fulfill these requirements, ensuring the safety and security of animals and the durability of the equipment. Overall, steel round bars play a crucial role in the manufacturing of agricultural implements. Their durability, strength, and versatility make them an ideal choice for creating sturdy and reliable equipment that can withstand the demanding conditions of the agricultural industry.

Q:What are the different grades of stainless steel round bars for marine applications?: For marine applications, stainless steel round bars come in various grades. The commonly used grades are 304, 316, and 316L stainless steel. Grade 304 stainless steel is a versatile alloy known for its good corrosion resistance, high strength, and excellent formability. It is often utilized in marine applications that require moderate corrosion resistance. Grade 316 stainless steel is similar to grade 304 but contains additional molybdenum. This enhances its corrosion resistance, especially against chlorides and other aggressive marine environments. Grade 316 is preferred in marine settings that demand increased resistance to corrosion. Grade 316L stainless steel is a low carbon version of grade 316. Its resistance to sensitization and intergranular corrosion is further improved. This makes it highly suitable for marine applications that involve welding, reducing the risk of corrosion at the welds. Apart from these grades, there are specialized stainless steel alloys like duplex stainless steel. These alloys combine the advantages of austenitic and ferritic stainless steels, offering even greater corrosion resistance and strength. They are suitable for demanding marine applications. When choosing stainless steel round bars for marine applications, it is crucial to consider specific environmental conditions such as exposure to saltwater, chemicals, or high temperatures. Seeking guidance from a materials specialist or referring to industry standards can help ensure the appropriate grade is selected for the specific marine application.

Q:How do I choose the right grade of steel round bar for my application?: To select the appropriate grade of steel round bar for your needs, it is crucial to carefully consider various factors. Here are some guidelines to assist you in making an educated decision: 1. Begin by understanding the specific requirements of your application. Take into account factors like load-bearing capacity, resistance to corrosion, temperature endurance, and any applicable industry regulations or standards. 2. Determine the mechanical properties necessary for your application. Depending on the specific use, you may require certain properties such as strength, hardness, toughness, or ductility. Prioritize these properties based on their significance to your application. 3. Assess the environmental conditions in which the steel round bar will be used. This includes factors like exposure to moisture, chemicals, high temperatures, or abrasive surroundings. Certain grades of steel offer better resistance to corrosion or heat, rendering them more suitable for specific conditions. 4. Seek guidance from experts if you are uncertain about the most suitable grade of steel for your application. Consult metallurgists, engineers, or suppliers who can provide valuable insights based on their expertise and experience. 5. Compare and contrast different grades of steel round bars available in the market once you have a clear understanding of your application requirements. Consider factors such as composition, manufacturing process, and specific properties associated with each grade. Look for grades that closely align with your requirements. 6. Review the industry standards and specifications to determine if any specific grades are mandated for your application. These standards can offer guidance and ensure compliance with safety and quality requirements. 7. Evaluate the cost-effectiveness of various grades by considering factors like initial purchase cost, maintenance and replacement expenses, and the overall lifespan of the steel round bar. 8. If possible, conduct tests or trials using different grades of steel round bars to assess their performance in your specific application. This will provide valuable data to aid your decision-making process. By following these steps and taking all relevant factors into account, you can efficiently and effectively select the appropriate grade of steel round bar that meets the demands of your application.

Q:How can steel round bars be protected against corrosion?: Steel round bars can be protected against corrosion through various methods. One common method is the application of a protective coating such as paint or epoxy. The coating acts as a barrier between the steel surface and the corrosive elements in the environment, preventing direct contact and thus reducing the risk of corrosion. Another effective way to protect steel round bars from corrosion is by galvanizing them. Galvanization involves coating the steel with a layer of zinc, which acts as a sacrificial anode. The zinc layer corrodes instead of the steel, providing a long-term protection against corrosion. Regular maintenance and inspection are also important in preventing corrosion. This includes removing any rust or scale that may have formed on the surface of the steel round bars, as these can accelerate the corrosion process. Additionally, keeping the steel round bars dry and free from moisture is essential, as excessive exposure to water or humidity can lead to corrosion. In industrial environments or areas where corrosive chemicals are present, it may be necessary to use specialized corrosion-resistant alloys for the steel round bars. These alloys, such as stainless steel or nickel alloys, have a higher resistance to corrosion and can withstand harsh conditions better than regular steel. Overall, the key to protecting steel round bars against corrosion is a combination of proper coatings, regular maintenance, and selecting the appropriate materials for the specific environment in which they will be used.

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