Q235 Steel Wire Rod

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications of Wire Rod Q235:

Grade: Q235 Standard: GB

Diameter: 5.5mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm

Alloy or Not: Alloy

Technique: Hot Rolled Place of Origin: China Mainland

Chemical Composition:

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

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: About 2.05MT

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

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: What are the standard surface roughness requirements for steel wire rod?: The surface roughness requirements for steel wire rod vary based on the specific application and industry standards. In general, steel wire rod should have a smooth and uniform surface with minimal imperfections. When used in construction, such as for reinforcing concrete structures, the surface roughness requirements are relatively relaxed. It is common for steel wire rod in construction to have a surface roughness of Ra 3.2 to 6.3 micrometers (125 to 250 microinches). On the other hand, for more demanding applications like precision engineering or automotive manufacturing, higher surface quality is necessary. In these cases, the surface roughness requirements for steel wire rod are typically stricter, with a range of Ra 0.8 to 1.6 micrometers (32 to 63 microinches). It is important to note that these values are not universal and can vary depending on specific industry standards or customer preferences. Manufacturers and suppliers of steel wire rod usually provide detailed specifications and standards that must be met for specific applications, ensuring the desired surface roughness is achieved.

Q: How are steel wire rods used in the production of wire ropes for cranes?: Steel wire rods are used as the basic material in the production of wire ropes for cranes. These rods are first drawn through a series of dies to reduce their diameter and increase their length. Then, multiple wire rods are twisted and braided together to form a strong and flexible wire rope. This wire rope is then used in cranes for lifting and hoisting heavy loads due to its high strength and durability.

Q: What is the current global production capacity of steel wire rod?: Approximately 160 million metric tons of steel wire rod are produced globally each year, with major producers including China, India, Japan, the United States, and Russia. This production capacity is distributed among different regions and countries. The demand for steel wire rod is fueled by multiple industries, including automotive, construction, infrastructure, and manufacturing. These industries utilize steel wire rod for various purposes, such as reinforcing concrete structures, manufacturing wire products, and creating machinery components. The production capacity of steel wire rod is continuously changing due to the construction of new facilities, expansion of existing ones, and advancements in technology that enhance efficiency.

Q: What are the main factors influencing the choice of steel wire rod buyer?: The main factors influencing the choice of steel wire rod buyer include price, quality, delivery reliability, customer service, and the reputation of the supplier.

Q: What are the different types of steel wire rod rolling mills?: There are several types of steel wire rod rolling mills, including continuous mills, semi-continuous mills, and reversing mills. Continuous mills are designed for high-speed production and feature a constant flow of material through the mill. Semi-continuous mills allow for a slower production rate and are ideal for smaller-scale operations. Reversing mills have the ability to roll the material in both directions, providing flexibility for different product specifications.

Q: What are the major risks and uncertainties in the steel wire rod industry?: The steel wire rod industry, like any other industry, faces several major risks and uncertainties that can impact its growth and profitability. Some of the key risks and uncertainties in the steel wire rod industry include: 1. Fluctuating raw material prices: Steel wire rod production heavily depends on the availability and cost of raw materials such as iron ore and coal. Any significant price fluctuations in these inputs can impact the industry's profitability and competitiveness. 2. Global economic conditions: The steel wire rod industry is highly sensitive to global economic conditions. During periods of economic downturns or recessions, demand for steel products, including wire rods, tends to decline. Uncertain economic conditions, trade tensions, and geopolitical factors can create volatility and affect the industry's growth prospects. 3. Overcapacity: Overcapacity is a significant concern in the steel wire rod industry. Excess production capacity leads to intense competition, price wars, and lower profit margins. This can be exacerbated by subsidized production in certain regions, leading to unfair competition and market distortions. 4. Technological advancements: The steel wire rod industry needs to constantly adapt to technological advancements to remain competitive. The adoption of advanced manufacturing technologies, automation, and digitalization can improve efficiency and reduce costs. However, the industry must also manage the risk of disruptions caused by technological changes and ensure a skilled workforce to operate and maintain these technologies. 5. Environmental regulations: The steel wire rod industry is subject to strict environmental regulations due to its significant carbon footprint and resource-intensive production processes. Compliance with emissions standards, waste management, and sustainable practices can present challenges and additional costs for industry players. 6. Currency fluctuations: Steel wire rod is a globally traded commodity, and currency fluctuations can impact the industry's competitiveness. A strong domestic currency can make exports more expensive, reducing demand and market share. Conversely, a weak domestic currency can make imports more expensive, affecting the cost of raw materials and machinery. 7. Trade barriers and protectionism: The steel wire rod industry is particularly susceptible to protectionist measures such as tariffs, quotas, and anti-dumping duties. Trade disputes and barriers between major steel-producing countries can disrupt global supply chains, increase costs, and limit market access. In conclusion, the steel wire rod industry faces several risks and uncertainties that require proactive management. Adapting to technological advancements, monitoring global economic conditions, managing raw material costs, complying with environmental regulations, and navigating trade barriers are crucial for industry players to maintain their competitiveness and long-term sustainability.

Q: What are the common production processes for cobalt-coated steel wire rod?: The common production processes for cobalt-coated steel wire rod include heating the steel wire rod to a specific temperature, coating it with a layer of cobalt using various methods such as electroplating or hot-dipping, and then cooling and solidifying the cobalt coating. This process helps enhance the corrosion resistance, durability, and overall quality of the steel wire rod.

Q: What are the disadvantages of using steel wire rod in manufacturing?: Using steel wire rods in manufacturing has several drawbacks: 1. Corrosion is a major issue with steel wire rods, especially when exposed to moisture or chemicals. This can significantly reduce the durability and lifespan of manufactured products. 2. Weight is another concern as steel wire rods are relatively heavy compared to alternatives like aluminum or carbon fiber. This can result in a more labor-intensive manufacturing process and increased transportation costs. 3. Limited flexibility is a drawback of steel wire rods, restricting design possibilities and functionality in industries where flexibility is crucial, such as automotive or aerospace. 4. Cost is a significant disadvantage of steel wire rods, particularly when demand for steel is high, leading to increased prices. The manufacturing process for steel wire rods can also involve multiple steps, adding to production costs. 5. Environmental impact is a drawback of producing steel wire rods, as it involves the extraction of iron ore, resulting in deforestation, habitat destruction, and pollution. Additionally, steel manufacturing requires a substantial amount of energy, contributing to greenhouse gas emissions. 6. Maintenance is necessary to prevent corrosion in steel wire rods, which adds to overall costs and time required for product maintenance. This includes applying protective coatings and implementing proper storage methods. 7. Steel wire rods have poor electrical conductivity compared to materials like copper or aluminum. This limits their usability in industries or applications where electrical conductivity is essential, such as electronics or electrical wiring. Overall, while steel wire rods offer advantages like strength and rigidity in manufacturing, they also come with significant drawbacks that need to be considered when choosing materials for manufacturing processes.

Q: How is steel wire rod used in the manufacturing of wire rope clips?: Steel wire rod is used in the manufacturing of wire rope clips as it serves as the primary material for creating the clips themselves. The steel wire rod is first processed and shaped into the desired clip design, providing the necessary strength and durability required for securing wire ropes.

Q: What are the different formability testing methods for steel wire rod?: There are several different formability testing methods that can be used to evaluate the behavior of steel wire rod. These methods are designed to assess the ability of the wire rod to deform and bend without cracking or breaking. Some of the common formability testing methods for steel wire rod include: 1. Cupping test: This test involves placing a blank of the steel wire rod into a shallow die and applying a controlled force to deform the material. The depth of the cup formed before cracking or fracturing occurs is measured to evaluate the formability of the wire rod. 2. Erichsen test: In this test, a hemispherical punch is used to deform the steel wire rod until a crack or fracture occurs. The maximum punch depth before failure is measured and used as an indicator of the wire rod's formability. 3. Tensile test: This is a widely used test to evaluate the mechanical properties of materials, including the formability of steel wire rod. The wire rod is pulled in tension until it fractures, and various parameters such as elongation, reduction in area, and ultimate tensile strength are measured and analyzed. 4. Bend test: This test involves bending the wire rod to a specified angle and examining the surface for cracks or fractures. The angle at which the wire rod fails to maintain its original shape indicates its formability. 5. Flattening test: In this test, the wire rod is flattened between two parallel plates until it fractures. The maximum load or pressure required to cause failure is measured and used as an indicator of formability. 6. Hole expansion test: This test evaluates the ability of the wire rod to deform and expand without cracking when subjected to a punching force. The maximum hole diameter that can be obtained without failure is measured, indicating the formability of the wire rod. These formability testing methods help manufacturers and researchers assess the suitability of steel wire rod for various applications, such as automotive components, construction materials, and manufacturing processes. By understanding the formability characteristics of the wire rod, engineers can make informed decisions regarding material selection and process optimization.

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