Round bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Wire Rod Q235 Details:

Minimum Order Quantity:	25 Tons	Unit:	m.t.	Loading Port:	XINGANG PORT,China
Supply Ability:	100,000 Tons Per Month	Payment Terms:	TT or LC

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

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

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

Q: What is the tensile strength of steel round bars?: The tensile strength of steel round bars can vary depending on the specific grade and composition of the steel. However, on average, steel round bars typically have a tensile strength ranging from 400 to 700 megapascals (MPa).

Q: What is the difference between a bright and a cold finished steel round bar?: A bright steel round bar and a cold finished steel round bar are two distinct types of steel bars that differ in their manufacturing processes and resulting characteristics. A bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, the rough steel bar is rotated on a lathe machine and a cutting tool is applied to remove the outer layer of the bar, resulting in a smooth and shiny surface. This process not only enhances the appearance of the bar but also improves its dimensional accuracy and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, a cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. In this process, the hot-rolled steel bar is passed through a series of dies at room temperature, reducing its diameter and increasing its length. This cold working process gives the steel bar improved mechanical properties, such as increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In summary, the main difference between a bright steel round bar and a cold finished steel round bar lies in their manufacturing processes and resulting characteristics. While a bright steel round bar is turned or polished to achieve a smooth and shiny surface, a cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.

Q: Can steel round bars be hardened through heat treatment?: Steel round bars can indeed be hardened by undergoing heat treatment. This process entails heating the steel to a specific temperature and then swiftly cooling it to achieve the desired level of hardness and strength. Various heat treatment techniques, such as quenching and tempering, can be employed to harden steel round bars. In quenching, the steel is heated to a critical temperature and then rapidly cooled in a liquid medium, such as oil or water, to attain maximum hardness. On the other hand, tempering involves reheating the quenched steel to a lower temperature in order to reduce brittleness and enhance toughness, while still maintaining the desired hardness level. By subjecting steel round bars to heat treatment, their mechanical properties can be significantly improved, making them suitable for a wide range of applications that demand high levels of strength and hardness.

Q: Can steel round bars be used for making mining equipment?: Yes, steel round bars can be used for making mining equipment. The strength and durability of steel make it a suitable material for manufacturing various mining equipment such as drill rods, excavator buckets, and support structures due to its high load-bearing capacity and resistance to wear and tear.

Q: Can steel round bars be coated with protective coatings?: Indeed, it is possible to apply protective coatings to steel round bars. These coatings function as a shield, safeguarding the steel against corrosion, abrasion, and other forms of harm. The most prevalent form of protective coating for steel round bars is known as a corrosion-resistant coating. It is typically administered using methods such as hot-dip galvanization, electroplating, or powder coating. These coatings establish a protective layer that prevents the steel from encountering corrosive substances, moisture, and other environmental elements that may lead to deterioration. Furthermore, these coatings have the potential to enhance the aesthetic appeal of the steel round bars and extend their lifespan.

Q: Can steel round bars be used in the energy industry?: Steel round bars are indeed applicable in the energy industry. These bars are widely utilized in numerous energy industry applications owing to their exceptional attributes, including high strength, durability, and corrosion resistance. They find extensive use in the construction of power plants, oil rigs, pipelines, and other energy infrastructure projects. Moreover, machinery and equipment employed in the energy industry, such as turbines, generators, and pumps, are also manufactured using steel round bars. Furthermore, renewable energy technologies, including wind turbines and solar power systems, often incorporate steel round bars. In summary, steel round bars offer versatility and reliability, making them a superb choice for meeting the demanding requirements of the energy industry.

Q: Can steel round bars be used for making hydraulic cylinders or pistons?: Absolutely! Hydraulic cylinders or pistons can definitely be made using steel round bars. Steel, being a robust and long-lasting material, has the ability to endure the immense pressures and heavy loads that hydraulic cylinders and pistons usually encounter. It is possible to machine or shape the steel round bars into the desired dimensions for the hydraulic cylinder or piston. Furthermore, steel possesses excellent corrosion resistance properties, which is crucial for hydraulic systems that may come into contact with moisture or other corrosive substances. All in all, steel round bars are an ideal choice of material for the production of hydraulic cylinders and pistons.

Q: 1, three, two, steel, wire rod, round steel what is the difference?: Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.

Q: Can steel round bars be used for making engine parts?: Yes, steel round bars can be used for making engine parts. Steel round bars are often used in the manufacturing of engine components due to their high strength, durability, and resistance to heat and corrosion. They can be machined into various shapes and sizes to create engine parts such as crankshafts, camshafts, connecting rods, and valves. The use of steel round bars ensures the required mechanical properties and structural integrity needed for engine performance and reliability. Additionally, steel round bars can be heat-treated and surface-treated to further enhance their properties, making them suitable for engine applications.

Q: What are the different grades of tool steel round bars?: Tool steel round bars are available in various grades, each offering unique properties and characteristics to suit specific applications. Some of the different grades of tool steel round bars include: 1. W1: This is a water-hardening tool steel with relatively low carbon content. It is known for its excellent toughness and good wear resistance. W1 tool steel round bars are commonly used for cutting tools and woodworking tools. 2. O1: O1 tool steel round bars are oil-hardening tool steel with high carbon content. They have good wear resistance, high toughness, and excellent dimensional stability. O1 tool steel is often used for punches, dies, and cutting tools. 3. A2: A2 tool steel round bars are air-hardening tool steel with medium carbon and chromium content. They offer good wear resistance, excellent toughness, and high dimensional stability. A2 tool steel is commonly used for blanking and forming dies, as well as shear blades. 4. D2: D2 tool steel round bars are high-carbon, high-chromium tool steel with excellent wear resistance and good toughness. They offer high resistance to abrasive wear and are often used for making cutting tools, punches, and forming dies. 5. M2: M2 tool steel round bars are high-speed steel with a significant amount of tungsten, molybdenum, and vanadium. They have exceptional wear resistance, high red hardness, and good toughness. M2 tool steel is typically used for high-speed cutting tools, drill bits, and machining tools. 6. S7: S7 tool steel round bars are air-hardening shock-resistant tool steel. They have high impact toughness, good wear resistance, and excellent heat resistance. S7 tool steel is commonly used for applications that require high shock resistance, such as chisels and hammers. These are just a few examples of the different grades of tool steel round bars available in the market. The choice of grade depends on factors such as the specific application, desired hardness, wear resistance, toughness, and heat resistance required. It is important to consult with a knowledgeable supplier or metallurgist to determine the most suitable grade for a particular application.

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