Grade Q235 Hot Rolled Steel Wire Rod in Coils

Grade Q235 Hot Rolled Steel Wire Rod in Coils System 1

Grade Q235 Hot Rolled Steel Wire Rod in Coils System 2

Grade Q235 Hot Rolled Steel Wire Rod in Coils System 3

Grade Q235 Hot Rolled Steel Wire Rod in Coils System 4

Grade Q235 Hot Rolled Steel Wire Rod in Coils

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 3 m.t.

Supply Capability:: 10000 m.t./month

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Grade Q235 Hot Rolled Steel Wire Rod in Coils

Detailed Information of the Grade Q235 Hot Rolled Steel Wire Rod in Coils

Name	Hot Rolled High Carbon Wire Rod
Shape	Round Bar/Square Bar/Flat Bar/Plate/Wire
Standard	GB/ASTM/SAE/AISI/DIN/JIS/EN/BS
Surface Treatment:	Black/Peeling/Polished/Machined
Delivery Condition:	Hot Rolled or Forged/Peeled or Black Surface
Test	SGS/UT 100% Elements Testing
Certificate:	ISO/Mill Certificate
Service:	24 hours online service /
Service:	more than 20 years trading and manufacture
Quality Assurance:	the third party inspection, such as SGS, BV, TUV…etc. is acceptable
Packaging Details:	Seaworthy Packaging or as per customer's packing instruction

Chemical Composition of the Grade Q235 Hot Rolled Steel Wire Rod in Coils

Grade	Chemical Composition(%)
	C	Mn	Si	S	P	B
SAE1008	0.1max.	0.3~0.50	0.15max	0.050max	≤0.040	>0.0008
	Mechanical properties
	Yield strength(N/mm2)		Tensile strength(N/mm2)		Elongation(%)
	250-280		350-380		≥32

Company Introduction the Grade Q235 Hot Rolled Steel Wire Rod in Coils

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

Grade Q235 Hot Rolled Steel Wire Rod in Coils

After-sale service	CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business.
After-sale service	For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours
Advantages	Industry experience over 20 years.
	Shipment of goods -More than 70 countries worldwide.
	The most convenient transport and prompt delivery.
	Competitive price with best service.
	High technical production line with top quality products.
	High reputation based on best quality products.

Packaging & Delivery the Grade Q235 Hot Rolled Steel Wire Rod in Coils

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

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Grade Q235 Hot Rolled Steel Wire Rod in Coils

FAQ:

Are you a trader or manufacturer?	Manufacturer
What’s the MOQ?	3 metric ton
What’s your delivery time?	15-35 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both.
Why choose us?	Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q:What are the different methods of improving the machinability of special steel?: To enhance the machinability of special steel, various techniques can be employed. These techniques encompass: 1. Alloying: The machinability can be improved by incorporating specific alloying elements like sulfur, selenium, lead, or bismuth into the steel composition. These elements serve as lubricants during machining, reducing friction and cutting forces. 2. Heat treatment: Enhancing the machinability of special steel can be achieved through heat treatment processes such as annealing, normalizing, or stress relieving. These processes refine the microstructure, lower hardness, and increase ductility, facilitating easier machining. 3. Modifying the microstructure: The machinability of special steel can be enhanced by modifying its microstructure through grain refinement or controlled precipitation of carbides. Generally, fine-grained steels are easier to machine due to reduced cutting forces. 4. Surface coatings: The application of specialized coatings like titanium nitride (TiN) or diamond-like carbon (DLC) onto the surface of special steel can minimize friction, extend tool life, and enhance chip flow during machining. 5. Optimal tool selection and optimization: The choice of cutting tools with specific geometries, coatings, and cutting parameters can greatly enhance machinability. Selecting the ideal tool ensures efficient chip evacuation, minimizes heat generation, and reduces tool wear. 6. Optimization of machining parameters: Adjusting parameters such as cutting speed, feed rate, and depth of cut significantly impacts machinability. Fine-tuning these parameters helps reduce tool wear, control chip formation, and achieve superior surface finish. 7. Lubrication and cooling: Employing appropriate lubrication and cooling methods, such as cutting fluids or coolants, enhances machinability by reducing friction and heat generation during machining. This prolongs tool life and minimizes workpiece deformation. It is essential to consider that the specific technique or combination of techniques utilized to improve machinability will depend on the type of special steel and the desired machining outcome.

Q:What are the requirements for special steel used in textile machinery?: The requirements for special steel used in textile machinery include high strength and durability, excellent corrosion resistance, good wear resistance, and the ability to withstand high temperatures and pressures. Additionally, the steel should have good machinability and be able to maintain dimensional stability under various operating conditions.

Q:What are the main alloying elements used in special steel?: The main alloying elements used in special steel can vary depending on the specific type of special steel, but common alloying elements include chromium, nickel, molybdenum, vanadium, and tungsten. These elements are added to enhance the steel's properties such as corrosion resistance, strength, hardness, and heat resistance.

Q:Can special steel be used in the production of surgical instruments?: Yes, special steel can be used in the production of surgical instruments. Special steel alloys, such as stainless steel, are commonly used due to their desirable properties like corrosion resistance, strength, and their ability to be easily sterilized. These characteristics make special steel an ideal material for surgical instruments that require high precision and durability.

Q:What are the different types of nitriding steel?: There are several types of nitriding steel, including gas nitriding steel, salt bath nitriding steel, plasma nitriding steel, and ion nitriding steel. Each type of nitriding steel has its own unique characteristics and advantages, making them suitable for different applications and industries.

Q:What are the main factors that affect the machinability of special steel?: The machinability of special steel can be influenced by several factors. One of the main factors is the composition of the steel itself. Special steels often have complex alloys added to enhance their properties, such as increased strength or corrosion resistance. However, these alloying elements can also have a negative impact on machinability. Elements like chromium, nickel, and molybdenum can cause the steel to become more difficult to machine due to their hardening or abrasive properties. Another factor that affects machinability is the microstructure of the steel. Special steels can undergo various heat treatments to achieve desired properties, but these treatments can also change the microstructure of the material. For example, the presence of carbides or precipitates can make the steel harder and more brittle, leading to increased tool wear and poorer machinability. The hardness of the steel is another important factor. Harder steels generally have lower machinability as they are more resistant to cutting forces. High-speed steels, which are commonly used for machining, can be used to counteract this issue to some extent. However, excessively hard steels may require specialized tooling or machining techniques to achieve satisfactory results. The presence of impurities or non-metallic inclusions in the steel can also affect machinability. These impurities can disrupt the cutting process, leading to reduced tool life and surface finish. Special steel manufacturers often strive to minimize impurities and control inclusion content to improve machinability. Lastly, the cutting parameters and machining conditions play a significant role in determining machinability. Factors such as cutting speed, feed rate, and depth of cut need to be optimized to achieve the best balance between material removal rate and tool life. Coolant usage and chip evacuation are also crucial considerations to prevent excessive heat buildup and chip recutting, which can negatively impact machinability. In summary, the main factors that affect the machinability of special steel include composition, microstructure, hardness, impurities, and cutting parameters. Understanding these factors and applying appropriate machining techniques can help maximize productivity and achieve high-quality machined components from special steels.

Q:Classification of special steel products: According to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), steel (0.25% WC 0.6%) and high carbon steel (wc>0.6%) according to the content of phosphorus and sulfur can be divided into ordinary carbon steel (carbon steel with phosphorus, sulfur, high quality carbon steel (P), low sulfur and high quality (steel) phosphorus, sulfur lower).In general, the higher carbon content in carbon steel, the higher hardness and higher strength, but lower plasticity. This kind of steel is mainly carbon steel to ensure mechanical properties, so the brand reflects its mechanical properties, represented by the Q+ number, "Q" to "yield point bend" word Pinyin prefix, a digital representation of the yield point value, such as Q275 said the yield point is 275MPa. If the grades are marked with letters A, B, C and D, the quality grade of steel is different. The quantity of S and P is reduced, and the quality of steel is improved. If the letter "F" is marked behind the grade, it is "boiling steel". The label "B" is a semi killed steel, and no "F" or "B" is used as a killed steel. For example, Q235-A = F indicates a yield point of 235MPa for grade a rimmed steel, and Q235-c represents a C grade killed steel with a yield point of 235MPa.

Q:How do alloying elements affect the properties of special steel?: The properties of special steel are greatly influenced by alloying elements. By incorporating specific elements into the steel composition, it is possible to achieve a variety of desirable characteristics. To begin with, the addition of alloying elements can enhance the steel's strength and hardness. For instance, chromium, nickel, and molybdenum can improve the steel's resistance to deformation and overall toughness. This is especially vital in situations where the steel needs to withstand high temperatures, pressure, or mechanical stress. Furthermore, alloying elements can boost the corrosion resistance of special steel. Elements like chromium, nickel, and copper create a protective oxide layer on the steel's surface, preventing rusting or corrosion. This is of particular importance in industries such as marine, oil and gas, and chemical processing, where exposure to corrosive environments is common. Moreover, alloying elements can influence the steel's weldability, machinability, and heat treatability. For example, manganese and silicon can enhance the weldability of steel, facilitating the joining of different components. On the other hand, vanadium and tungsten can enhance the steel's ability to maintain its hardness even when subjected to high temperatures, making it suitable for applications involving heat treatment. Additionally, alloying elements can affect the electrical and magnetic properties of steel. Elements like nickel and cobalt can improve the steel's magnetic properties, making it suitable for use in electrical transformers or magnetic devices. Conversely, aluminum and titanium can enhance the steel's electrical conductivity, making it ideal for electrical wiring or conductive components. In conclusion, alloying elements have a significant impact on the properties of special steel. They can enhance its strength, hardness, corrosion resistance, weldability, heat treatability, electrical conductivity, and magnetic properties. By carefully selecting and controlling the alloying elements, manufacturers can customize the steel's properties to meet the specific requirements of different industries and applications.

Q:What are the environmental considerations associated with special steel production?: Special steel production can have several environmental considerations due to its resource-intensive nature and the emissions generated during the production process. One of the main environmental considerations associated with special steel production is the extraction of raw materials. Special steel requires specific alloys and additives, which often involve the extraction of rare or valuable metals. Mining for these materials can have significant environmental impacts, including habitat destruction, soil erosion, water pollution, and the release of toxic substances. Another consideration is the energy consumption during the production process. Special steel production involves several energy-intensive stages, such as melting, refining, and shaping. These processes typically rely on fossil fuels, which contribute to greenhouse gas emissions and air pollution. Additionally, the high temperatures required for steel production contribute to significant carbon dioxide emissions, a major contributor to climate change. Water usage is also a concern in special steel production. The production process requires a substantial amount of water for cooling, cleaning, and lubrication. This can lead to water scarcity and pollution if not managed properly. The effluents generated during the production process can contain heavy metals, acids, and other pollutants, which can harm aquatic ecosystems if not adequately treated. Waste generation is another environmental consideration. Special steel production generates various types of waste, including slag, dust, and sludge. These wastes can contain heavy metals, toxins, and other pollutants. Proper disposal or treatment of these wastes is essential to prevent pollution of soil, water, and air. Lastly, the transportation of raw materials and finished products in special steel production can contribute to carbon emissions and air pollution. The long-distance shipping of raw materials and finished steel products can add to the overall environmental footprint of the industry. In conclusion, special steel production has several environmental considerations, including the extraction of raw materials, energy consumption, water usage, waste generation, and transportation. To mitigate these impacts, companies should prioritize sustainable sourcing of raw materials, invest in energy-efficient technologies, promote water conservation and treatment practices, manage and minimize waste generation, and explore cleaner transportation options.

Q:How does special steel contribute to the agricultural machinery industry?: Special steel plays a crucial role in the agricultural machinery industry by contributing to the overall efficiency, durability, and productivity of agricultural machinery. One of the key advantages of special steel in this industry is its exceptional strength and toughness, which allows for the manufacturing of robust and reliable equipment. Agricultural machinery, such as tractors, combines, and harvesters, are subjected to intense operational conditions, including heavy loads, extreme temperatures, and exposure to corrosive elements. Special steel provides the necessary strength and resistance to withstand these challenging environments, ensuring that the machinery can perform optimally for extended periods. Moreover, special steel alloys offer excellent wear resistance, enabling agricultural machinery to withstand the abrasive nature of farming operations. This is particularly important for components like blades, plows, and tillage tools, which are constantly exposed to soil, rocks, and other abrasive materials. By using high-quality special steel, manufacturers can produce durable and long-lasting equipment, minimizing maintenance needs and enhancing the overall reliability of agricultural machinery. Special steel also allows for the design and construction of more efficient agricultural machinery. Due to its superior strength-to-weight ratio, special steel enables the production of lighter yet sturdy equipment. This, in turn, improves fuel efficiency, reduces energy consumption, and enhances maneuverability. Additionally, special steel's excellent machinability and formability enable manufacturers to create complex and customized components, meeting specific agricultural needs and increasing the overall efficiency of machinery. Furthermore, special steel contributes to the agricultural machinery industry by providing resistance to corrosion and rust. Agricultural equipment is often exposed to moisture, fertilizers, and chemicals, which can lead to corrosion and degradation over time. Special steel alloys with corrosion-resistant properties, such as stainless steel, can significantly extend the lifespan of machinery and reduce maintenance costs. In summary, special steel is vital for the agricultural machinery industry as it enhances the durability, efficiency, and productivity of the equipment. Its strength, wear resistance, design flexibility, and corrosion-resistant properties make it the preferred choice for manufacturing high-quality machinery that can withstand the demanding conditions of agricultural operations.

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